Merge Linux 4.4.40 to master
Change-Id: Ie8115c17a8caf7e069f6cacba722e309234c28d3
diff --git a/Makefile b/Makefile
index 0fa16f7..6bfb49b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 30
+SUBLEVEL = 40
EXTRAVERSION = -gfiber0
NAME = Blurry Fish Butt
@@ -395,11 +395,12 @@
-fno-strict-aliasing -fno-common \
-Werror-implicit-function-declaration \
-Wno-format-security \
- -std=gnu89
+ -std=gnu89 $(call cc-option,-fno-PIE)
+
KBUILD_AFLAGS_KERNEL :=
KBUILD_CFLAGS_KERNEL :=
-KBUILD_AFLAGS := -D__ASSEMBLY__
+KBUILD_AFLAGS := -D__ASSEMBLY__ $(call cc-option,-fno-PIE)
KBUILD_AFLAGS_MODULE := -DMODULE
KBUILD_CFLAGS_MODULE := -DMODULE
KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
@@ -617,6 +618,7 @@
KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,)
KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,)
+KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,)
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
KBUILD_CFLAGS += -Os
diff --git a/arch/arc/include/asm/delay.h b/arch/arc/include/asm/delay.h
index 08e7e2a..a36e860 100644
--- a/arch/arc/include/asm/delay.h
+++ b/arch/arc/include/asm/delay.h
@@ -22,10 +22,11 @@
static inline void __delay(unsigned long loops)
{
__asm__ __volatile__(
- " lp 1f \n"
- " nop \n"
- "1: \n"
- : "+l"(loops));
+ " mov lp_count, %0 \n"
+ " lp 1f \n"
+ " nop \n"
+ "1: \n"
+ : : "r"(loops));
}
extern void __bad_udelay(void);
diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c
index dfad287..dbedc57 100644
--- a/arch/arc/kernel/time.c
+++ b/arch/arc/kernel/time.c
@@ -130,14 +130,17 @@
cycle_t full;
} stamp;
-
- __asm__ __volatile(
- "1: \n"
- " lr %0, [AUX_RTC_LOW] \n"
- " lr %1, [AUX_RTC_HIGH] \n"
- " lr %2, [AUX_RTC_CTRL] \n"
- " bbit0.nt %2, 31, 1b \n"
- : "=r" (stamp.low), "=r" (stamp.high), "=r" (status));
+ /*
+ * hardware has an internal state machine which tracks readout of
+ * low/high and updates the CTRL.status if
+ * - interrupt/exception taken between the two reads
+ * - high increments after low has been read
+ */
+ do {
+ stamp.low = read_aux_reg(AUX_RTC_LOW);
+ stamp.high = read_aux_reg(AUX_RTC_HIGH);
+ status = read_aux_reg(AUX_RTC_CTRL);
+ } while (!(status & _BITUL(31)));
return stamp.full;
}
diff --git a/arch/arm/include/asm/floppy.h b/arch/arm/include/asm/floppy.h
index f488255..85a34cc 100644
--- a/arch/arm/include/asm/floppy.h
+++ b/arch/arm/include/asm/floppy.h
@@ -17,7 +17,7 @@
#define fd_outb(val,port) \
do { \
- if ((port) == FD_DOR) \
+ if ((port) == (u32)FD_DOR) \
fd_setdor((val)); \
else \
outb((val),(port)); \
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index fc7ea52..52c8c1f 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -239,8 +239,7 @@
* for secondary CPUs as they are brought up.
* For uniformity we use VCPUOP_register_vcpu_info even on cpu0.
*/
- xen_vcpu_info = __alloc_percpu(sizeof(struct vcpu_info),
- sizeof(struct vcpu_info));
+ xen_vcpu_info = alloc_percpu(struct vcpu_info);
if (xen_vcpu_info == NULL)
return -ENOMEM;
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index 8136afc..8884b5d 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -77,7 +77,7 @@
const char *desc;
u16 capability;
bool (*matches)(const struct arm64_cpu_capabilities *);
- void (*enable)(void *); /* Called on all active CPUs */
+ int (*enable)(void *); /* Called on all active CPUs */
union {
struct { /* To be used for erratum handling only */
u32 midr_model;
diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h
index 007a69f..5f3ab8c 100644
--- a/arch/arm64/include/asm/futex.h
+++ b/arch/arm64/include/asm/futex.h
@@ -121,6 +121,7 @@
return -EFAULT;
asm volatile("// futex_atomic_cmpxchg_inatomic\n"
+ALTERNATIVE("nop", SET_PSTATE_PAN(0), ARM64_HAS_PAN, CONFIG_ARM64_PAN)
" prfm pstl1strm, %2\n"
"1: ldxr %w1, %2\n"
" sub %w3, %w1, %w4\n"
@@ -137,6 +138,7 @@
" .align 3\n"
" .quad 1b, 4b, 2b, 4b\n"
" .popsection\n"
+ALTERNATIVE("nop", SET_PSTATE_PAN(1), ARM64_HAS_PAN, CONFIG_ARM64_PAN)
: "+r" (ret), "=&r" (val), "+Q" (*uaddr), "=&r" (tmp)
: "r" (oldval), "r" (newval), "Ir" (-EFAULT)
: "memory");
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 4acb7ca..d085595 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -186,6 +186,6 @@
#endif
-void cpu_enable_pan(void *__unused);
+int cpu_enable_pan(void *__unused);
#endif /* __ASM_PROCESSOR_H */
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 0669c63..2735bf8 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -19,7 +19,9 @@
#define pr_fmt(fmt) "CPU features: " fmt
#include <linux/bsearch.h>
+#include <linux/cpumask.h>
#include <linux/sort.h>
+#include <linux/stop_machine.h>
#include <linux/types.h>
#include <asm/cpu.h>
#include <asm/cpufeature.h>
@@ -764,7 +766,13 @@
for (i = 0; caps[i].desc; i++)
if (caps[i].enable && cpus_have_cap(caps[i].capability))
- on_each_cpu(caps[i].enable, NULL, true);
+ /*
+ * Use stop_machine() as it schedules the work allowing
+ * us to modify PSTATE, instead of on_each_cpu() which
+ * uses an IPI, giving us a PSTATE that disappears when
+ * we return.
+ */
+ stop_machine(caps[i].enable, NULL, cpu_online_mask);
}
#ifdef CONFIG_HOTPLUG_CPU
diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c
index 1095aa4..00c1372 100644
--- a/arch/arm64/kernel/suspend.c
+++ b/arch/arm64/kernel/suspend.c
@@ -1,7 +1,9 @@
#include <linux/ftrace.h>
#include <linux/percpu.h>
#include <linux/slab.h>
+#include <asm/alternative.h>
#include <asm/cacheflush.h>
+#include <asm/cpufeature.h>
#include <asm/debug-monitors.h>
#include <asm/pgtable.h>
#include <asm/memory.h>
@@ -111,6 +113,13 @@
set_my_cpu_offset(per_cpu_offset(smp_processor_id()));
/*
+ * PSTATE was not saved over suspend/resume, re-enable any
+ * detected features that might not have been set correctly.
+ */
+ asm(ALTERNATIVE("nop", SET_PSTATE_PAN(1), ARM64_HAS_PAN,
+ CONFIG_ARM64_PAN));
+
+ /*
* Restore HW breakpoint registers to sane values
* before debug exceptions are possibly reenabled
* through local_dbg_restore.
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 4c1a118..247bae7 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -29,7 +29,9 @@
#include <linux/sched.h>
#include <linux/highmem.h>
#include <linux/perf_event.h>
+#include <linux/preempt.h>
+#include <asm/bug.h>
#include <asm/cpufeature.h>
#include <asm/exception.h>
#include <asm/debug-monitors.h>
@@ -606,8 +608,16 @@
}
#ifdef CONFIG_ARM64_PAN
-void cpu_enable_pan(void *__unused)
+int cpu_enable_pan(void *__unused)
{
+ /*
+ * We modify PSTATE. This won't work from irq context as the PSTATE
+ * is discarded once we return from the exception.
+ */
+ WARN_ON_ONCE(in_interrupt());
+
config_sctlr_el1(SCTLR_EL1_SPAN, 0);
+ asm(SET_PSTATE_PAN(1));
+ return 0;
}
#endif /* CONFIG_ARM64_PAN */
diff --git a/arch/h8300/include/asm/thread_info.h b/arch/h8300/include/asm/thread_info.h
index b408fe6..3cef068 100644
--- a/arch/h8300/include/asm/thread_info.h
+++ b/arch/h8300/include/asm/thread_info.h
@@ -31,7 +31,6 @@
int cpu; /* cpu we're on */
int preempt_count; /* 0 => preemptable, <0 => BUG */
mm_segment_t addr_limit;
- struct restart_block restart_block;
};
/*
@@ -44,9 +43,6 @@
.cpu = 0, \
.preempt_count = INIT_PREEMPT_COUNT, \
.addr_limit = KERNEL_DS, \
- .restart_block = { \
- .fn = do_no_restart_syscall, \
- }, \
}
#define init_thread_info (init_thread_union.thread_info)
diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c
index 380fffd..036ad04 100644
--- a/arch/h8300/kernel/signal.c
+++ b/arch/h8300/kernel/signal.c
@@ -79,7 +79,7 @@
unsigned int er0;
/* Always make any pending restarted system calls return -EINTR */
- current_thread_info()->restart_block.fn = do_no_restart_syscall;
+ current->restart_block.fn = do_no_restart_syscall;
/* restore passed registers */
#define COPY(r) do { err |= get_user(regs->r, &usc->sc_##r); } while (0)
diff --git a/arch/m68k/include/asm/delay.h b/arch/m68k/include/asm/delay.h
index d28fa8f..c598d84 100644
--- a/arch/m68k/include/asm/delay.h
+++ b/arch/m68k/include/asm/delay.h
@@ -114,6 +114,6 @@
*/
#define HZSCALE (268435456 / (1000000 / HZ))
-#define ndelay(n) __delay(DIV_ROUND_UP((n) * ((((HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6), 1000));
+#define ndelay(n) __delay(DIV_ROUND_UP((n) * ((((HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6), 1000))
#endif /* defined(_M68K_DELAY_H) */
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index dd7cee7..c8c04a1 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -400,7 +400,10 @@
/* Host KSEG0 address of the EI/DI offset */
void *kseg0_commpage;
- u32 io_gpr; /* GPR used as IO source/target */
+ /* Resume PC after MMIO completion */
+ unsigned long io_pc;
+ /* GPR used as IO source/target */
+ u32 io_gpr;
struct hrtimer comparecount_timer;
/* Count timer control KVM register */
@@ -422,8 +425,6 @@
/* Bitmask of pending exceptions to be cleared */
unsigned long pending_exceptions_clr;
- unsigned long pending_load_cause;
-
/* Save/Restore the entryhi register when are are preempted/scheduled back in */
unsigned long preempt_entryhi;
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index 3251b20..4c85ab8 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -752,15 +752,15 @@
struct mips_coproc *cop0 = vcpu->arch.cop0;
enum emulation_result er = EMULATE_DONE;
- if (kvm_read_c0_guest_status(cop0) & ST0_EXL) {
+ if (kvm_read_c0_guest_status(cop0) & ST0_ERL) {
+ kvm_clear_c0_guest_status(cop0, ST0_ERL);
+ vcpu->arch.pc = kvm_read_c0_guest_errorepc(cop0);
+ } else if (kvm_read_c0_guest_status(cop0) & ST0_EXL) {
kvm_debug("[%#lx] ERET to %#lx\n", vcpu->arch.pc,
kvm_read_c0_guest_epc(cop0));
kvm_clear_c0_guest_status(cop0, ST0_EXL);
vcpu->arch.pc = kvm_read_c0_guest_epc(cop0);
- } else if (kvm_read_c0_guest_status(cop0) & ST0_ERL) {
- kvm_clear_c0_guest_status(cop0, ST0_ERL);
- vcpu->arch.pc = kvm_read_c0_guest_errorepc(cop0);
} else {
kvm_err("[%#lx] ERET when MIPS_SR_EXL|MIPS_SR_ERL == 0\n",
vcpu->arch.pc);
@@ -822,7 +822,7 @@
bool user;
/* No need to flush for entries which are already invalid */
- if (!((tlb->tlb_lo[0] | tlb->tlb_lo[1]) & ENTRYLO_V))
+ if (!((tlb->tlb_lo0 | tlb->tlb_lo1) & MIPS3_PG_V))
return;
/* User address space doesn't need flushing for KSeg2/3 changes */
user = tlb->tlb_hi < KVM_GUEST_KSEG0;
@@ -1473,6 +1473,7 @@
struct kvm_vcpu *vcpu)
{
enum emulation_result er = EMULATE_DO_MMIO;
+ unsigned long curr_pc;
int32_t op, base, rt, offset;
uint32_t bytes;
@@ -1481,7 +1482,18 @@
offset = inst & 0xffff;
op = (inst >> 26) & 0x3f;
- vcpu->arch.pending_load_cause = cause;
+ /*
+ * Find the resume PC now while we have safe and easy access to the
+ * prior branch instruction, and save it for
+ * kvm_mips_complete_mmio_load() to restore later.
+ */
+ curr_pc = vcpu->arch.pc;
+ er = update_pc(vcpu, cause);
+ if (er == EMULATE_FAIL)
+ return er;
+ vcpu->arch.io_pc = vcpu->arch.pc;
+ vcpu->arch.pc = curr_pc;
+
vcpu->arch.io_gpr = rt;
switch (op) {
@@ -2461,9 +2473,8 @@
goto done;
}
- er = update_pc(vcpu, vcpu->arch.pending_load_cause);
- if (er == EMULATE_FAIL)
- return er;
+ /* Restore saved resume PC */
+ vcpu->arch.pc = vcpu->arch.io_pc;
switch (run->mmio.len) {
case 4:
@@ -2485,11 +2496,6 @@
break;
}
- if (vcpu->arch.pending_load_cause & CAUSEF_BD)
- kvm_debug("[%#lx] Completing %d byte BD Load to gpr %d (0x%08lx) type %d\n",
- vcpu->arch.pc, run->mmio.len, vcpu->arch.io_gpr, *gpr,
- vcpu->mmio_needed);
-
done:
return er;
}
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index c2c43f7..3a4ed9f 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -65,9 +65,9 @@
unsigned long flags; \
spin_lock_irqsave(&pa_tlb_lock, flags); \
old_pte = *ptep; \
- set_pte(ptep, pteval); \
if (pte_inserted(old_pte)) \
purge_tlb_entries(mm, addr); \
+ set_pte(ptep, pteval); \
spin_unlock_irqrestore(&pa_tlb_lock, flags); \
} while (0)
@@ -478,8 +478,8 @@
spin_unlock_irqrestore(&pa_tlb_lock, flags);
return 0;
}
- set_pte(ptep, pte_mkold(pte));
purge_tlb_entries(vma->vm_mm, addr);
+ set_pte(ptep, pte_mkold(pte));
spin_unlock_irqrestore(&pa_tlb_lock, flags);
return 1;
}
@@ -492,9 +492,9 @@
spin_lock_irqsave(&pa_tlb_lock, flags);
old_pte = *ptep;
- set_pte(ptep, __pte(0));
if (pte_inserted(old_pte))
purge_tlb_entries(mm, addr);
+ set_pte(ptep, __pte(0));
spin_unlock_irqrestore(&pa_tlb_lock, flags);
return old_pte;
@@ -504,8 +504,8 @@
{
unsigned long flags;
spin_lock_irqsave(&pa_tlb_lock, flags);
- set_pte(ptep, pte_wrprotect(*ptep));
purge_tlb_entries(mm, addr);
+ set_pte(ptep, pte_wrprotect(*ptep));
spin_unlock_irqrestore(&pa_tlb_lock, flags);
}
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index cda6dbb..6857a10 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -351,6 +351,7 @@
{
unsigned long rangetime, alltime;
unsigned long size, start;
+ unsigned long threshold;
alltime = mfctl(16);
flush_data_cache();
@@ -364,26 +365,30 @@
printk(KERN_DEBUG "Whole cache flush %lu cycles, flushing %lu bytes %lu cycles\n",
alltime, size, rangetime);
- /* Racy, but if we see an intermediate value, it's ok too... */
- parisc_cache_flush_threshold = size * alltime / rangetime;
-
- parisc_cache_flush_threshold = L1_CACHE_ALIGN(parisc_cache_flush_threshold);
- if (!parisc_cache_flush_threshold)
- parisc_cache_flush_threshold = FLUSH_THRESHOLD;
-
- if (parisc_cache_flush_threshold > cache_info.dc_size)
- parisc_cache_flush_threshold = cache_info.dc_size;
-
- printk(KERN_INFO "Setting cache flush threshold to %lu kB\n",
+ threshold = L1_CACHE_ALIGN(size * alltime / rangetime);
+ if (threshold > cache_info.dc_size)
+ threshold = cache_info.dc_size;
+ if (threshold)
+ parisc_cache_flush_threshold = threshold;
+ printk(KERN_INFO "Cache flush threshold set to %lu KiB\n",
parisc_cache_flush_threshold/1024);
/* calculate TLB flush threshold */
+ /* On SMP machines, skip the TLB measure of kernel text which
+ * has been mapped as huge pages. */
+ if (num_online_cpus() > 1 && !parisc_requires_coherency()) {
+ threshold = max(cache_info.it_size, cache_info.dt_size);
+ threshold *= PAGE_SIZE;
+ threshold /= num_online_cpus();
+ goto set_tlb_threshold;
+ }
+
alltime = mfctl(16);
flush_tlb_all();
alltime = mfctl(16) - alltime;
- size = PAGE_SIZE;
+ size = 0;
start = (unsigned long) _text;
rangetime = mfctl(16);
while (start < (unsigned long) _end) {
@@ -396,13 +401,12 @@
printk(KERN_DEBUG "Whole TLB flush %lu cycles, flushing %lu bytes %lu cycles\n",
alltime, size, rangetime);
- parisc_tlb_flush_threshold = size * alltime / rangetime;
- parisc_tlb_flush_threshold *= num_online_cpus();
- parisc_tlb_flush_threshold = PAGE_ALIGN(parisc_tlb_flush_threshold);
- if (!parisc_tlb_flush_threshold)
- parisc_tlb_flush_threshold = FLUSH_TLB_THRESHOLD;
+ threshold = PAGE_ALIGN(num_online_cpus() * size * alltime / rangetime);
- printk(KERN_INFO "Setting TLB flush threshold to %lu kB\n",
+set_tlb_threshold:
+ if (threshold)
+ parisc_tlb_flush_threshold = threshold;
+ printk(KERN_INFO "TLB flush threshold set to %lu KiB\n",
parisc_tlb_flush_threshold/1024);
}
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index b743a80..a4761b7 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -96,7 +96,7 @@
fitmanymiddle: /* Loop if LOOP >= 2 */
addib,COND(>) -1, %r31, fitmanymiddle /* Adjusted inner loop decr */
- pitlbe 0(%sr1, %r28)
+ pitlbe %r0(%sr1, %r28)
pitlbe,m %arg1(%sr1, %r28) /* Last pitlbe and addr adjust */
addib,COND(>) -1, %r29, fitmanymiddle /* Middle loop decr */
copy %arg3, %r31 /* Re-init inner loop count */
@@ -139,7 +139,7 @@
fdtmanymiddle: /* Loop if LOOP >= 2 */
addib,COND(>) -1, %r31, fdtmanymiddle /* Adjusted inner loop decr */
- pdtlbe 0(%sr1, %r28)
+ pdtlbe %r0(%sr1, %r28)
pdtlbe,m %arg1(%sr1, %r28) /* Last pdtlbe and addr adjust */
addib,COND(>) -1, %r29, fdtmanymiddle /* Middle loop decr */
copy %arg3, %r31 /* Re-init inner loop count */
@@ -620,12 +620,12 @@
/* Purge any old translations */
#ifdef CONFIG_PA20
- pdtlb,l 0(%r28)
- pdtlb,l 0(%r29)
+ pdtlb,l %r0(%r28)
+ pdtlb,l %r0(%r29)
#else
tlb_lock %r20,%r21,%r22
- pdtlb 0(%r28)
- pdtlb 0(%r29)
+ pdtlb %r0(%r28)
+ pdtlb %r0(%r29)
tlb_unlock %r20,%r21,%r22
#endif
@@ -768,10 +768,10 @@
/* Purge any old translation */
#ifdef CONFIG_PA20
- pdtlb,l 0(%r28)
+ pdtlb,l %r0(%r28)
#else
tlb_lock %r20,%r21,%r22
- pdtlb 0(%r28)
+ pdtlb %r0(%r28)
tlb_unlock %r20,%r21,%r22
#endif
@@ -852,10 +852,10 @@
/* Purge any old translation */
#ifdef CONFIG_PA20
- pdtlb,l 0(%r28)
+ pdtlb,l %r0(%r28)
#else
tlb_lock %r20,%r21,%r22
- pdtlb 0(%r28)
+ pdtlb %r0(%r28)
tlb_unlock %r20,%r21,%r22
#endif
@@ -886,19 +886,10 @@
fdc,m r31(%r28)
fdc,m r31(%r28)
fdc,m r31(%r28)
- cmpb,COND(<<) %r28, %r25,1b
+ cmpb,COND(<<) %r28, %r25,1b
fdc,m r31(%r28)
sync
-
-#ifdef CONFIG_PA20
- pdtlb,l 0(%r25)
-#else
- tlb_lock %r20,%r21,%r22
- pdtlb 0(%r25)
- tlb_unlock %r20,%r21,%r22
-#endif
-
bv %r0(%r2)
nop
.exit
@@ -925,13 +916,18 @@
depwi 0, 31,PAGE_SHIFT, %r28 /* Clear any offset bits */
#endif
- /* Purge any old translation */
+ /* Purge any old translation. Note that the FIC instruction
+ * may use either the instruction or data TLB. Given that we
+ * have a flat address space, it's not clear which TLB will be
+ * used. So, we purge both entries. */
#ifdef CONFIG_PA20
+ pdtlb,l %r0(%r28)
pitlb,l %r0(%sr4,%r28)
#else
tlb_lock %r20,%r21,%r22
- pitlb (%sr4,%r28)
+ pdtlb %r0(%r28)
+ pitlb %r0(%sr4,%r28)
tlb_unlock %r20,%r21,%r22
#endif
@@ -968,15 +964,6 @@
fic,m %r31(%sr4,%r28)
sync
-
-#ifdef CONFIG_PA20
- pitlb,l %r0(%sr4,%r25)
-#else
- tlb_lock %r20,%r21,%r22
- pitlb (%sr4,%r25)
- tlb_unlock %r20,%r21,%r22
-#endif
-
bv %r0(%r2)
nop
.exit
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index b9402c9..af0d7fa 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -95,8 +95,8 @@
if (!pte_none(*pte))
printk(KERN_ERR "map_pte_uncached: page already exists\n");
- set_pte(pte, __mk_pte(*paddr_ptr, PAGE_KERNEL_UNC));
purge_tlb_start(flags);
+ set_pte(pte, __mk_pte(*paddr_ptr, PAGE_KERNEL_UNC));
pdtlb_kernel(orig_vaddr);
purge_tlb_end(flags);
vaddr += PAGE_SIZE;
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 81d6f63..2e66a88 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -334,6 +334,10 @@
/* tell PDC we're Linux. Nevermind failure. */
pdc_stable_write(0x40, &osid, sizeof(osid));
+ /* start with known state */
+ flush_cache_all_local();
+ flush_tlb_all_local(NULL);
+
processor_init();
#ifdef CONFIG_SMP
pr_info("CPU(s): %d out of %d %s at %d.%06d MHz online\n",
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index fbafa0d..a86b19f 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -106,8 +106,6 @@
mtsp %r0,%sr4 /* get kernel space into sr4 */
mtsp %r0,%sr5 /* get kernel space into sr5 */
mtsp %r0,%sr6 /* get kernel space into sr6 */
- mfsp %sr7,%r1 /* save user sr7 */
- mtsp %r1,%sr3 /* and store it in sr3 */
#ifdef CONFIG_64BIT
/* for now we can *always* set the W bit on entry to the syscall
@@ -133,6 +131,14 @@
depdi 0, 31, 32, %r21
1:
#endif
+
+ /* We use a rsm/ssm pair to prevent sr3 from being clobbered
+ * by external interrupts.
+ */
+ mfsp %sr7,%r1 /* save user sr7 */
+ rsm PSW_SM_I, %r0 /* disable interrupts */
+ mtsp %r1,%sr3 /* and store it in sr3 */
+
mfctl %cr30,%r1
xor %r1,%r30,%r30 /* ye olde xor trick */
xor %r1,%r30,%r1
@@ -147,6 +153,7 @@
*/
mtsp %r0,%sr7 /* get kernel space into sr7 */
+ ssm PSW_SM_I, %r0 /* enable interrupts */
STREGM %r1,FRAME_SIZE(%r30) /* save r1 (usp) here for now */
mfctl %cr30,%r1 /* get task ptr in %r1 */
LDREG TI_TASK(%r1),%r1
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index c07bfb5..300382e 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -612,8 +612,10 @@
/* Clear frozen state */
rc = eeh_clear_pe_frozen_state(pe, false);
- if (rc)
+ if (rc) {
+ pci_unlock_rescan_remove();
return rc;
+ }
/* Give the system 5 seconds to finish running the user-space
* hotplug shutdown scripts, e.g. ifdown for ethernet. Yes,
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 737c0d0..b38fd08 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -376,7 +376,7 @@
#else
BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) !=
- offsetof(struct thread_fp_state, fpr[32][0]));
+ offsetof(struct thread_fp_state, fpr[32]));
return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
&target->thread.fp_state, 0, -1);
@@ -404,7 +404,7 @@
return 0;
#else
BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) !=
- offsetof(struct thread_fp_state, fpr[32][0]));
+ offsetof(struct thread_fp_state, fpr[32]));
return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
&target->thread.fp_state, 0, -1);
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 0450357..b63b9a4 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -525,11 +525,11 @@
static int diag224_get_name_table(void)
{
/* memory must be below 2GB */
- diag224_cpu_names = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
+ diag224_cpu_names = (char *) __get_free_page(GFP_KERNEL | GFP_DMA);
if (!diag224_cpu_names)
return -ENOMEM;
if (diag224(diag224_cpu_names)) {
- kfree(diag224_cpu_names);
+ free_page((unsigned long) diag224_cpu_names);
return -EOPNOTSUPP;
}
EBCASC(diag224_cpu_names + 16, (*diag224_cpu_names + 1) * 16);
@@ -538,7 +538,7 @@
static void diag224_delete_name_table(void)
{
- kfree(diag224_cpu_names);
+ free_page((unsigned long) diag224_cpu_names);
}
static int diag224_idx2name(int index, char *name)
diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h
index 70067ce..f7de0db 100644
--- a/arch/sparc/include/asm/mmu_64.h
+++ b/arch/sparc/include/asm/mmu_64.h
@@ -92,7 +92,8 @@
typedef struct {
spinlock_t lock;
unsigned long sparc64_ctx_val;
- unsigned long huge_pte_count;
+ unsigned long hugetlb_pte_count;
+ unsigned long thp_pte_count;
struct tsb_config tsb_block[MM_NUM_TSBS];
struct hv_tsb_descr tsb_descr[MM_NUM_TSBS];
} mm_context_t;
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index ea6e9a2..f428512 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -98,7 +98,6 @@
unsigned int insn, fixup;
};
-void __ret_efault(void);
void __retl_efault(void);
/* Uh, these should become the main single-value transfer routines..
@@ -179,20 +178,6 @@
__gu_ret; \
})
-#define __get_user_nocheck_ret(data, addr, size, type, retval) ({ \
- register unsigned long __gu_val __asm__ ("l1"); \
- switch (size) { \
- case 1: __get_user_asm_ret(__gu_val, ub, addr, retval); break; \
- case 2: __get_user_asm_ret(__gu_val, uh, addr, retval); break; \
- case 4: __get_user_asm_ret(__gu_val, uw, addr, retval); break; \
- case 8: __get_user_asm_ret(__gu_val, x, addr, retval); break; \
- default: \
- if (__get_user_bad()) \
- return retval; \
- } \
- data = (__force type) __gu_val; \
-})
-
#define __get_user_asm(x, size, addr, ret) \
__asm__ __volatile__( \
"/* Get user asm, inline. */\n" \
@@ -214,80 +199,35 @@
: "=r" (ret), "=r" (x) : "r" (__m(addr)), \
"i" (-EFAULT))
-#define __get_user_asm_ret(x, size, addr, retval) \
-if (__builtin_constant_p(retval) && retval == -EFAULT) \
- __asm__ __volatile__( \
- "/* Get user asm ret, inline. */\n" \
- "1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \
- ".section __ex_table,\"a\"\n\t" \
- ".align 4\n\t" \
- ".word 1b,__ret_efault\n\n\t" \
- ".previous\n\t" \
- : "=r" (x) : "r" (__m(addr))); \
-else \
- __asm__ __volatile__( \
- "/* Get user asm ret, inline. */\n" \
- "1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \
- ".section .fixup,#alloc,#execinstr\n\t" \
- ".align 4\n" \
- "3:\n\t" \
- "ret\n\t" \
- " restore %%g0, %2, %%o0\n\n\t" \
- ".previous\n\t" \
- ".section __ex_table,\"a\"\n\t" \
- ".align 4\n\t" \
- ".word 1b, 3b\n\n\t" \
- ".previous\n\t" \
- : "=r" (x) : "r" (__m(addr)), "i" (retval))
-
int __get_user_bad(void);
unsigned long __must_check ___copy_from_user(void *to,
const void __user *from,
unsigned long size);
-unsigned long copy_from_user_fixup(void *to, const void __user *from,
- unsigned long size);
static inline unsigned long __must_check
copy_from_user(void *to, const void __user *from, unsigned long size)
{
- unsigned long ret = ___copy_from_user(to, from, size);
-
- if (unlikely(ret))
- ret = copy_from_user_fixup(to, from, size);
-
- return ret;
+ return ___copy_from_user(to, from, size);
}
#define __copy_from_user copy_from_user
unsigned long __must_check ___copy_to_user(void __user *to,
const void *from,
unsigned long size);
-unsigned long copy_to_user_fixup(void __user *to, const void *from,
- unsigned long size);
static inline unsigned long __must_check
copy_to_user(void __user *to, const void *from, unsigned long size)
{
- unsigned long ret = ___copy_to_user(to, from, size);
-
- if (unlikely(ret))
- ret = copy_to_user_fixup(to, from, size);
- return ret;
+ return ___copy_to_user(to, from, size);
}
#define __copy_to_user copy_to_user
unsigned long __must_check ___copy_in_user(void __user *to,
const void __user *from,
unsigned long size);
-unsigned long copy_in_user_fixup(void __user *to, void __user *from,
- unsigned long size);
static inline unsigned long __must_check
copy_in_user(void __user *to, void __user *from, unsigned long size)
{
- unsigned long ret = ___copy_in_user(to, from, size);
-
- if (unlikely(ret))
- ret = copy_in_user_fixup(to, from, size);
- return ret;
+ return ___copy_in_user(to, from, size);
}
#define __copy_in_user copy_in_user
diff --git a/arch/sparc/kernel/dtlb_prot.S b/arch/sparc/kernel/dtlb_prot.S
index d668ca14..4087a62 100644
--- a/arch/sparc/kernel/dtlb_prot.S
+++ b/arch/sparc/kernel/dtlb_prot.S
@@ -25,13 +25,13 @@
/* PROT ** ICACHE line 2: More real fault processing */
ldxa [%g4] ASI_DMMU, %g5 ! Put tagaccess in %g5
+ srlx %g5, PAGE_SHIFT, %g5
+ sllx %g5, PAGE_SHIFT, %g5 ! Clear context ID bits
bgu,pn %xcc, winfix_trampoline ! Yes, perform winfixup
mov FAULT_CODE_DTLB | FAULT_CODE_WRITE, %g4
ba,pt %xcc, sparc64_realfault_common ! Nope, normal fault
nop
nop
- nop
- nop
/* PROT ** ICACHE line 3: Unused... */
nop
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index 51faf92..7eeeb1d 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -922,47 +922,11 @@
tlb_type: .word 0 /* Must NOT end up in BSS */
.section ".fixup",#alloc,#execinstr
- .globl __ret_efault, __retl_efault, __ret_one, __retl_one
-ENTRY(__ret_efault)
- ret
- restore %g0, -EFAULT, %o0
-ENDPROC(__ret_efault)
-
ENTRY(__retl_efault)
retl
mov -EFAULT, %o0
ENDPROC(__retl_efault)
-ENTRY(__retl_one)
- retl
- mov 1, %o0
-ENDPROC(__retl_one)
-
-ENTRY(__retl_one_fp)
- VISExitHalf
- retl
- mov 1, %o0
-ENDPROC(__retl_one_fp)
-
-ENTRY(__ret_one_asi)
- wr %g0, ASI_AIUS, %asi
- ret
- restore %g0, 1, %o0
-ENDPROC(__ret_one_asi)
-
-ENTRY(__retl_one_asi)
- wr %g0, ASI_AIUS, %asi
- retl
- mov 1, %o0
-ENDPROC(__retl_one_asi)
-
-ENTRY(__retl_one_asi_fp)
- wr %g0, ASI_AIUS, %asi
- VISExitHalf
- retl
- mov 1, %o0
-ENDPROC(__retl_one_asi_fp)
-
ENTRY(__retl_o1)
retl
mov %o1, %o0
diff --git a/arch/sparc/kernel/jump_label.c b/arch/sparc/kernel/jump_label.c
index 59bbeff..07933b9 100644
--- a/arch/sparc/kernel/jump_label.c
+++ b/arch/sparc/kernel/jump_label.c
@@ -13,19 +13,30 @@
void arch_jump_label_transform(struct jump_entry *entry,
enum jump_label_type type)
{
- u32 val;
u32 *insn = (u32 *) (unsigned long) entry->code;
+ u32 val;
if (type == JUMP_LABEL_JMP) {
s32 off = (s32)entry->target - (s32)entry->code;
+ bool use_v9_branch = false;
+
+ BUG_ON(off & 3);
#ifdef CONFIG_SPARC64
- /* ba,pt %xcc, . + (off << 2) */
- val = 0x10680000 | ((u32) off >> 2);
-#else
- /* ba . + (off << 2) */
- val = 0x10800000 | ((u32) off >> 2);
+ if (off <= 0xfffff && off >= -0x100000)
+ use_v9_branch = true;
#endif
+ if (use_v9_branch) {
+ /* WDISP19 - target is . + immed << 2 */
+ /* ba,pt %xcc, . + off */
+ val = 0x10680000 | (((u32) off >> 2) & 0x7ffff);
+ } else {
+ /* WDISP22 - target is . + immed << 2 */
+ BUG_ON(off > 0x7fffff);
+ BUG_ON(off < -0x800000);
+ /* ba . + off */
+ val = 0x10800000 | (((u32) off >> 2) & 0x3fffff);
+ }
} else {
val = 0x01000000;
}
diff --git a/arch/sparc/kernel/ktlb.S b/arch/sparc/kernel/ktlb.S
index ef0d8e9..f22bec0 100644
--- a/arch/sparc/kernel/ktlb.S
+++ b/arch/sparc/kernel/ktlb.S
@@ -20,6 +20,10 @@
mov TLB_TAG_ACCESS, %g4
ldxa [%g4] ASI_IMMU, %g4
+ /* The kernel executes in context zero, therefore we do not
+ * need to clear the context ID bits out of %g4 here.
+ */
+
/* sun4v_itlb_miss branches here with the missing virtual
* address already loaded into %g4
*/
@@ -128,6 +132,10 @@
mov TLB_TAG_ACCESS, %g4
ldxa [%g4] ASI_DMMU, %g4
+ /* The kernel executes in context zero, therefore we do not
+ * need to clear the context ID bits out of %g4 here.
+ */
+
/* sun4v_dtlb_miss branches here with the missing virtual
* address already loaded into %g4
*/
@@ -251,6 +259,10 @@
nop
.previous
+ /* The kernel executes in context zero, therefore we do not
+ * need to clear the context ID bits out of %g5 here.
+ */
+
be,pt %xcc, sparc64_realfault_common
mov FAULT_CODE_DTLB, %g4
ba,pt %xcc, winfix_trampoline
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index c3c12ef..9c0c8fd 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -89,7 +89,7 @@
sf = (struct signal_frame __user *) regs->u_regs[UREG_FP];
/* 1. Make sure we are not getting garbage from the user */
- if (!invalid_frame_pointer(sf, sizeof(*sf)))
+ if (invalid_frame_pointer(sf, sizeof(*sf)))
goto segv_and_exit;
if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP]))
@@ -150,7 +150,7 @@
synchronize_user_stack();
sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP];
- if (!invalid_frame_pointer(sf, sizeof(*sf)))
+ if (invalid_frame_pointer(sf, sizeof(*sf)))
goto segv;
if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))
diff --git a/arch/sparc/kernel/sparc_ksyms_64.c b/arch/sparc/kernel/sparc_ksyms_64.c
index a92d5d2..51b2532 100644
--- a/arch/sparc/kernel/sparc_ksyms_64.c
+++ b/arch/sparc/kernel/sparc_ksyms_64.c
@@ -27,7 +27,6 @@
EXPORT_SYMBOL_GPL(real_hard_smp_processor_id);
/* from head_64.S */
-EXPORT_SYMBOL(__ret_efault);
EXPORT_SYMBOL(tlb_type);
EXPORT_SYMBOL(sun4v_chip_type);
EXPORT_SYMBOL(prom_root_node);
diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S
index be98685..d568c82 100644
--- a/arch/sparc/kernel/tsb.S
+++ b/arch/sparc/kernel/tsb.S
@@ -29,13 +29,17 @@
*/
tsb_miss_dtlb:
mov TLB_TAG_ACCESS, %g4
+ ldxa [%g4] ASI_DMMU, %g4
+ srlx %g4, PAGE_SHIFT, %g4
ba,pt %xcc, tsb_miss_page_table_walk
- ldxa [%g4] ASI_DMMU, %g4
+ sllx %g4, PAGE_SHIFT, %g4
tsb_miss_itlb:
mov TLB_TAG_ACCESS, %g4
+ ldxa [%g4] ASI_IMMU, %g4
+ srlx %g4, PAGE_SHIFT, %g4
ba,pt %xcc, tsb_miss_page_table_walk
- ldxa [%g4] ASI_IMMU, %g4
+ sllx %g4, PAGE_SHIFT, %g4
/* At this point we have:
* %g1 -- PAGE_SIZE TSB entry address
@@ -284,6 +288,10 @@
nop
.previous
+ /* Clear context ID bits. */
+ srlx %g5, PAGE_SHIFT, %g5
+ sllx %g5, PAGE_SHIFT, %g5
+
be,pt %xcc, sparc64_realfault_common
mov FAULT_CODE_DTLB, %g4
ba,pt %xcc, winfix_trampoline
diff --git a/arch/sparc/lib/GENcopy_from_user.S b/arch/sparc/lib/GENcopy_from_user.S
index b7d0bd6..69a439f 100644
--- a/arch/sparc/lib/GENcopy_from_user.S
+++ b/arch/sparc/lib/GENcopy_from_user.S
@@ -3,11 +3,11 @@
* Copyright (C) 2007 David S. Miller (davem@davemloft.net)
*/
-#define EX_LD(x) \
+#define EX_LD(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one; \
+ .word 98b, y; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/GENcopy_to_user.S b/arch/sparc/lib/GENcopy_to_user.S
index 780550e..9947427 100644
--- a/arch/sparc/lib/GENcopy_to_user.S
+++ b/arch/sparc/lib/GENcopy_to_user.S
@@ -3,11 +3,11 @@
* Copyright (C) 2007 David S. Miller (davem@davemloft.net)
*/
-#define EX_ST(x) \
+#define EX_ST(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one; \
+ .word 98b, y; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/GENmemcpy.S b/arch/sparc/lib/GENmemcpy.S
index 89358ee..059ea24 100644
--- a/arch/sparc/lib/GENmemcpy.S
+++ b/arch/sparc/lib/GENmemcpy.S
@@ -4,21 +4,18 @@
*/
#ifdef __KERNEL__
+#include <linux/linkage.h>
#define GLOBAL_SPARE %g7
#else
#define GLOBAL_SPARE %g5
#endif
#ifndef EX_LD
-#define EX_LD(x) x
+#define EX_LD(x,y) x
#endif
#ifndef EX_ST
-#define EX_ST(x) x
-#endif
-
-#ifndef EX_RETVAL
-#define EX_RETVAL(x) x
+#define EX_ST(x,y) x
#endif
#ifndef LOAD
@@ -45,6 +42,29 @@
.register %g3,#scratch
.text
+
+#ifndef EX_RETVAL
+#define EX_RETVAL(x) x
+ENTRY(GEN_retl_o4_1)
+ add %o4, %o2, %o4
+ retl
+ add %o4, 1, %o0
+ENDPROC(GEN_retl_o4_1)
+ENTRY(GEN_retl_g1_8)
+ add %g1, %o2, %g1
+ retl
+ add %g1, 8, %o0
+ENDPROC(GEN_retl_g1_8)
+ENTRY(GEN_retl_o2_4)
+ retl
+ add %o2, 4, %o0
+ENDPROC(GEN_retl_o2_4)
+ENTRY(GEN_retl_o2_1)
+ retl
+ add %o2, 1, %o0
+ENDPROC(GEN_retl_o2_1)
+#endif
+
.align 64
.globl FUNC_NAME
@@ -73,8 +93,8 @@
sub %g0, %o4, %o4
sub %o2, %o4, %o2
1: subcc %o4, 1, %o4
- EX_LD(LOAD(ldub, %o1, %g1))
- EX_ST(STORE(stb, %g1, %o0))
+ EX_LD(LOAD(ldub, %o1, %g1),GEN_retl_o4_1)
+ EX_ST(STORE(stb, %g1, %o0),GEN_retl_o4_1)
add %o1, 1, %o1
bne,pt %XCC, 1b
add %o0, 1, %o0
@@ -82,8 +102,8 @@
andn %o2, 0x7, %g1
sub %o2, %g1, %o2
1: subcc %g1, 0x8, %g1
- EX_LD(LOAD(ldx, %o1, %g2))
- EX_ST(STORE(stx, %g2, %o0))
+ EX_LD(LOAD(ldx, %o1, %g2),GEN_retl_g1_8)
+ EX_ST(STORE(stx, %g2, %o0),GEN_retl_g1_8)
add %o1, 0x8, %o1
bne,pt %XCC, 1b
add %o0, 0x8, %o0
@@ -100,8 +120,8 @@
1:
subcc %o2, 4, %o2
- EX_LD(LOAD(lduw, %o1, %g1))
- EX_ST(STORE(stw, %g1, %o1 + %o3))
+ EX_LD(LOAD(lduw, %o1, %g1),GEN_retl_o2_4)
+ EX_ST(STORE(stw, %g1, %o1 + %o3),GEN_retl_o2_4)
bgu,pt %XCC, 1b
add %o1, 4, %o1
@@ -111,8 +131,8 @@
.align 32
90:
subcc %o2, 1, %o2
- EX_LD(LOAD(ldub, %o1, %g1))
- EX_ST(STORE(stb, %g1, %o1 + %o3))
+ EX_LD(LOAD(ldub, %o1, %g1),GEN_retl_o2_1)
+ EX_ST(STORE(stb, %g1, %o1 + %o3),GEN_retl_o2_1)
bgu,pt %XCC, 90b
add %o1, 1, %o1
retl
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index 3269b02..4f2384a 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -38,7 +38,7 @@
lib-$(CONFIG_SPARC64) += GENmemcpy.o GENcopy_from_user.o GENcopy_to_user.o
lib-$(CONFIG_SPARC64) += GENpatch.o GENpage.o GENbzero.o
-lib-$(CONFIG_SPARC64) += copy_in_user.o user_fixup.o memmove.o
+lib-$(CONFIG_SPARC64) += copy_in_user.o memmove.o
lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o
obj-$(CONFIG_SPARC64) += iomap.o
diff --git a/arch/sparc/lib/NG2copy_from_user.S b/arch/sparc/lib/NG2copy_from_user.S
index d5242b8..b79a699 100644
--- a/arch/sparc/lib/NG2copy_from_user.S
+++ b/arch/sparc/lib/NG2copy_from_user.S
@@ -3,19 +3,19 @@
* Copyright (C) 2007 David S. Miller (davem@davemloft.net)
*/
-#define EX_LD(x) \
+#define EX_LD(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_asi;\
+ .word 98b, y; \
.text; \
.align 4;
-#define EX_LD_FP(x) \
+#define EX_LD_FP(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_asi_fp;\
+ .word 98b, y##_fp; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/NG2copy_to_user.S b/arch/sparc/lib/NG2copy_to_user.S
index 4e962d9..dcec55f 100644
--- a/arch/sparc/lib/NG2copy_to_user.S
+++ b/arch/sparc/lib/NG2copy_to_user.S
@@ -3,19 +3,19 @@
* Copyright (C) 2007 David S. Miller (davem@davemloft.net)
*/
-#define EX_ST(x) \
+#define EX_ST(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_asi;\
+ .word 98b, y; \
.text; \
.align 4;
-#define EX_ST_FP(x) \
+#define EX_ST_FP(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_asi_fp;\
+ .word 98b, y##_fp; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S
index d5f585d..c629dbd 100644
--- a/arch/sparc/lib/NG2memcpy.S
+++ b/arch/sparc/lib/NG2memcpy.S
@@ -4,6 +4,7 @@
*/
#ifdef __KERNEL__
+#include <linux/linkage.h>
#include <asm/visasm.h>
#include <asm/asi.h>
#define GLOBAL_SPARE %g7
@@ -32,21 +33,17 @@
#endif
#ifndef EX_LD
-#define EX_LD(x) x
+#define EX_LD(x,y) x
#endif
#ifndef EX_LD_FP
-#define EX_LD_FP(x) x
+#define EX_LD_FP(x,y) x
#endif
#ifndef EX_ST
-#define EX_ST(x) x
+#define EX_ST(x,y) x
#endif
#ifndef EX_ST_FP
-#define EX_ST_FP(x) x
-#endif
-
-#ifndef EX_RETVAL
-#define EX_RETVAL(x) x
+#define EX_ST_FP(x,y) x
#endif
#ifndef LOAD
@@ -140,45 +137,110 @@
fsrc2 %x6, %f12; \
fsrc2 %x7, %f14;
#define FREG_LOAD_1(base, x0) \
- EX_LD_FP(LOAD(ldd, base + 0x00, %x0))
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1)
#define FREG_LOAD_2(base, x0, x1) \
- EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD_FP(LOAD(ldd, base + 0x08, %x1));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1);
#define FREG_LOAD_3(base, x0, x1, x2) \
- EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD_FP(LOAD(ldd, base + 0x10, %x2));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1);
#define FREG_LOAD_4(base, x0, x1, x2, x3) \
- EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
- EX_LD_FP(LOAD(ldd, base + 0x18, %x3));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1);
#define FREG_LOAD_5(base, x0, x1, x2, x3, x4) \
- EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
- EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \
- EX_LD_FP(LOAD(ldd, base + 0x20, %x4));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1);
#define FREG_LOAD_6(base, x0, x1, x2, x3, x4, x5) \
- EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
- EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \
- EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \
- EX_LD_FP(LOAD(ldd, base + 0x28, %x5));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1);
#define FREG_LOAD_7(base, x0, x1, x2, x3, x4, x5, x6) \
- EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \
- EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \
- EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \
- EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \
- EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \
- EX_LD_FP(LOAD(ldd, base + 0x28, %x5)); \
- EX_LD_FP(LOAD(ldd, base + 0x30, %x6));
+ EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1); \
+ EX_LD_FP(LOAD(ldd, base + 0x30, %x6), NG2_retl_o2_plus_g1);
.register %g2,#scratch
.register %g3,#scratch
.text
+#ifndef EX_RETVAL
+#define EX_RETVAL(x) x
+__restore_fp:
+ VISExitHalf
+__restore_asi:
+ retl
+ wr %g0, ASI_AIUS, %asi
+ENTRY(NG2_retl_o2)
+ ba,pt %xcc, __restore_asi
+ mov %o2, %o0
+ENDPROC(NG2_retl_o2)
+ENTRY(NG2_retl_o2_plus_1)
+ ba,pt %xcc, __restore_asi
+ add %o2, 1, %o0
+ENDPROC(NG2_retl_o2_plus_1)
+ENTRY(NG2_retl_o2_plus_4)
+ ba,pt %xcc, __restore_asi
+ add %o2, 4, %o0
+ENDPROC(NG2_retl_o2_plus_4)
+ENTRY(NG2_retl_o2_plus_8)
+ ba,pt %xcc, __restore_asi
+ add %o2, 8, %o0
+ENDPROC(NG2_retl_o2_plus_8)
+ENTRY(NG2_retl_o2_plus_o4_plus_1)
+ add %o4, 1, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG2_retl_o2_plus_o4_plus_1)
+ENTRY(NG2_retl_o2_plus_o4_plus_8)
+ add %o4, 8, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG2_retl_o2_plus_o4_plus_8)
+ENTRY(NG2_retl_o2_plus_o4_plus_16)
+ add %o4, 16, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG2_retl_o2_plus_o4_plus_16)
+ENTRY(NG2_retl_o2_plus_g1_fp)
+ ba,pt %xcc, __restore_fp
+ add %o2, %g1, %o0
+ENDPROC(NG2_retl_o2_plus_g1_fp)
+ENTRY(NG2_retl_o2_plus_g1_plus_64_fp)
+ add %g1, 64, %g1
+ ba,pt %xcc, __restore_fp
+ add %o2, %g1, %o0
+ENDPROC(NG2_retl_o2_plus_g1_plus_64_fp)
+ENTRY(NG2_retl_o2_plus_g1_plus_1)
+ add %g1, 1, %g1
+ ba,pt %xcc, __restore_asi
+ add %o2, %g1, %o0
+ENDPROC(NG2_retl_o2_plus_g1_plus_1)
+ENTRY(NG2_retl_o2_and_7_plus_o4)
+ and %o2, 7, %o2
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG2_retl_o2_and_7_plus_o4)
+ENTRY(NG2_retl_o2_and_7_plus_o4_plus_8)
+ and %o2, 7, %o2
+ add %o4, 8, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG2_retl_o2_and_7_plus_o4_plus_8)
+#endif
+
.align 64
.globl FUNC_NAME
@@ -230,8 +292,8 @@
sub %g0, %o4, %o4 ! bytes to align dst
sub %o2, %o4, %o2
1: subcc %o4, 1, %o4
- EX_LD(LOAD(ldub, %o1, %g1))
- EX_ST(STORE(stb, %g1, %o0))
+ EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_o4_plus_1)
+ EX_ST(STORE(stb, %g1, %o0), NG2_retl_o2_plus_o4_plus_1)
add %o1, 1, %o1
bne,pt %XCC, 1b
add %o0, 1, %o0
@@ -281,11 +343,11 @@
nop
/* fall through for 0 < low bits < 8 */
110: sub %o4, 64, %g2
- EX_LD_FP(LOAD_BLK(%g2, %f0))
-1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
- EX_LD_FP(LOAD_BLK(%o4, %f16))
+ EX_LD_FP(LOAD_BLK(%g2, %f0), NG2_retl_o2_plus_g1)
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
+ EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16)
- EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -296,10 +358,10 @@
120: sub %o4, 56, %g2
FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12)
-1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
- EX_LD_FP(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
+ EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18)
- EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -310,10 +372,10 @@
130: sub %o4, 48, %g2
FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10)
-1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
- EX_LD_FP(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
+ EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20)
- EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
FREG_MOVE_6(f20, f22, f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -324,10 +386,10 @@
140: sub %o4, 40, %g2
FREG_LOAD_5(%g2, f0, f2, f4, f6, f8)
-1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
- EX_LD_FP(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
+ EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22)
- EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
FREG_MOVE_5(f22, f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -338,10 +400,10 @@
150: sub %o4, 32, %g2
FREG_LOAD_4(%g2, f0, f2, f4, f6)
-1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
- EX_LD_FP(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
+ EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24)
- EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
FREG_MOVE_4(f24, f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -352,10 +414,10 @@
160: sub %o4, 24, %g2
FREG_LOAD_3(%g2, f0, f2, f4)
-1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
- EX_LD_FP(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
+ EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26)
- EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
FREG_MOVE_3(f26, f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -366,10 +428,10 @@
170: sub %o4, 16, %g2
FREG_LOAD_2(%g2, f0, f2)
-1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
- EX_LD_FP(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
+ EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28)
- EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
FREG_MOVE_2(f28, f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -380,10 +442,10 @@
180: sub %o4, 8, %g2
FREG_LOAD_1(%g2, f0)
-1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
- EX_LD_FP(LOAD_BLK(%o4, %f16))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
+ EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1)
FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30)
- EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1)
FREG_MOVE_1(f30)
subcc %g1, 64, %g1
add %o4, 64, %o4
@@ -393,10 +455,10 @@
nop
190:
-1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3))
+1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1)
subcc %g1, 64, %g1
- EX_LD_FP(LOAD_BLK(%o4, %f0))
- EX_ST_FP(STORE_BLK(%f0, %o4 + %g3))
+ EX_LD_FP(LOAD_BLK(%o4, %f0), NG2_retl_o2_plus_g1_plus_64)
+ EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1_plus_64)
add %o4, 64, %o4
bne,pt %xcc, 1b
LOAD(prefetch, %o4 + 64, #one_read)
@@ -423,28 +485,28 @@
andn %o2, 0xf, %o4
and %o2, 0xf, %o2
1: subcc %o4, 0x10, %o4
- EX_LD(LOAD(ldx, %o1, %o5))
+ EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_o4_plus_16)
add %o1, 0x08, %o1
- EX_LD(LOAD(ldx, %o1, %g1))
+ EX_LD(LOAD(ldx, %o1, %g1), NG2_retl_o2_plus_o4_plus_16)
sub %o1, 0x08, %o1
- EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE))
+ EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_16)
add %o1, 0x8, %o1
- EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPARE))
+ EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_8)
bgu,pt %XCC, 1b
add %o1, 0x8, %o1
73: andcc %o2, 0x8, %g0
be,pt %XCC, 1f
nop
sub %o2, 0x8, %o2
- EX_LD(LOAD(ldx, %o1, %o5))
- EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE))
+ EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_8)
+ EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_8)
add %o1, 0x8, %o1
1: andcc %o2, 0x4, %g0
be,pt %XCC, 1f
nop
sub %o2, 0x4, %o2
- EX_LD(LOAD(lduw, %o1, %o5))
- EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPARE))
+ EX_LD(LOAD(lduw, %o1, %o5), NG2_retl_o2_plus_4)
+ EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4)
add %o1, 0x4, %o1
1: cmp %o2, 0
be,pt %XCC, 85f
@@ -460,8 +522,8 @@
sub %o2, %g1, %o2
1: subcc %g1, 1, %g1
- EX_LD(LOAD(ldub, %o1, %o5))
- EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPARE))
+ EX_LD(LOAD(ldub, %o1, %o5), NG2_retl_o2_plus_g1_plus_1)
+ EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_g1_plus_1)
bgu,pt %icc, 1b
add %o1, 1, %o1
@@ -477,16 +539,16 @@
8: mov 64, GLOBAL_SPARE
andn %o1, 0x7, %o1
- EX_LD(LOAD(ldx, %o1, %g2))
+ EX_LD(LOAD(ldx, %o1, %g2), NG2_retl_o2)
sub GLOBAL_SPARE, %g1, GLOBAL_SPARE
andn %o2, 0x7, %o4
sllx %g2, %g1, %g2
1: add %o1, 0x8, %o1
- EX_LD(LOAD(ldx, %o1, %g3))
+ EX_LD(LOAD(ldx, %o1, %g3), NG2_retl_o2_and_7_plus_o4)
subcc %o4, 0x8, %o4
srlx %g3, GLOBAL_SPARE, %o5
or %o5, %g2, %o5
- EX_ST(STORE(stx, %o5, %o0))
+ EX_ST(STORE(stx, %o5, %o0), NG2_retl_o2_and_7_plus_o4_plus_8)
add %o0, 0x8, %o0
bgu,pt %icc, 1b
sllx %g3, %g1, %g2
@@ -506,8 +568,8 @@
1:
subcc %o2, 4, %o2
- EX_LD(LOAD(lduw, %o1, %g1))
- EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPARE))
+ EX_LD(LOAD(lduw, %o1, %g1), NG2_retl_o2_plus_4)
+ EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4)
bgu,pt %XCC, 1b
add %o1, 4, %o1
@@ -517,8 +579,8 @@
.align 32
90:
subcc %o2, 1, %o2
- EX_LD(LOAD(ldub, %o1, %g1))
- EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPARE))
+ EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_1)
+ EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_1)
bgu,pt %XCC, 90b
add %o1, 1, %o1
retl
diff --git a/arch/sparc/lib/NG4copy_from_user.S b/arch/sparc/lib/NG4copy_from_user.S
index 2e8ee7a..16a286c 100644
--- a/arch/sparc/lib/NG4copy_from_user.S
+++ b/arch/sparc/lib/NG4copy_from_user.S
@@ -3,19 +3,19 @@
* Copyright (C) 2012 David S. Miller (davem@davemloft.net)
*/
-#define EX_LD(x) \
+#define EX_LD(x, y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_asi;\
+ .word 98b, y; \
.text; \
.align 4;
-#define EX_LD_FP(x) \
+#define EX_LD_FP(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_asi_fp;\
+ .word 98b, y##_fp; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/NG4copy_to_user.S b/arch/sparc/lib/NG4copy_to_user.S
index be0bf45..6b0276f 100644
--- a/arch/sparc/lib/NG4copy_to_user.S
+++ b/arch/sparc/lib/NG4copy_to_user.S
@@ -3,19 +3,19 @@
* Copyright (C) 2012 David S. Miller (davem@davemloft.net)
*/
-#define EX_ST(x) \
+#define EX_ST(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_asi;\
+ .word 98b, y; \
.text; \
.align 4;
-#define EX_ST_FP(x) \
+#define EX_ST_FP(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_asi_fp;\
+ .word 98b, y##_fp; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S
index 8e13ee1..75bb93b 100644
--- a/arch/sparc/lib/NG4memcpy.S
+++ b/arch/sparc/lib/NG4memcpy.S
@@ -4,6 +4,7 @@
*/
#ifdef __KERNEL__
+#include <linux/linkage.h>
#include <asm/visasm.h>
#include <asm/asi.h>
#define GLOBAL_SPARE %g7
@@ -46,22 +47,19 @@
#endif
#ifndef EX_LD
-#define EX_LD(x) x
+#define EX_LD(x,y) x
#endif
#ifndef EX_LD_FP
-#define EX_LD_FP(x) x
+#define EX_LD_FP(x,y) x
#endif
#ifndef EX_ST
-#define EX_ST(x) x
+#define EX_ST(x,y) x
#endif
#ifndef EX_ST_FP
-#define EX_ST_FP(x) x
+#define EX_ST_FP(x,y) x
#endif
-#ifndef EX_RETVAL
-#define EX_RETVAL(x) x
-#endif
#ifndef LOAD
#define LOAD(type,addr,dest) type [addr], dest
@@ -94,6 +92,158 @@
.register %g3,#scratch
.text
+#ifndef EX_RETVAL
+#define EX_RETVAL(x) x
+__restore_asi_fp:
+ VISExitHalf
+__restore_asi:
+ retl
+ wr %g0, ASI_AIUS, %asi
+
+ENTRY(NG4_retl_o2)
+ ba,pt %xcc, __restore_asi
+ mov %o2, %o0
+ENDPROC(NG4_retl_o2)
+ENTRY(NG4_retl_o2_plus_1)
+ ba,pt %xcc, __restore_asi
+ add %o2, 1, %o0
+ENDPROC(NG4_retl_o2_plus_1)
+ENTRY(NG4_retl_o2_plus_4)
+ ba,pt %xcc, __restore_asi
+ add %o2, 4, %o0
+ENDPROC(NG4_retl_o2_plus_4)
+ENTRY(NG4_retl_o2_plus_o5)
+ ba,pt %xcc, __restore_asi
+ add %o2, %o5, %o0
+ENDPROC(NG4_retl_o2_plus_o5)
+ENTRY(NG4_retl_o2_plus_o5_plus_4)
+ add %o5, 4, %o5
+ ba,pt %xcc, __restore_asi
+ add %o2, %o5, %o0
+ENDPROC(NG4_retl_o2_plus_o5_plus_4)
+ENTRY(NG4_retl_o2_plus_o5_plus_8)
+ add %o5, 8, %o5
+ ba,pt %xcc, __restore_asi
+ add %o2, %o5, %o0
+ENDPROC(NG4_retl_o2_plus_o5_plus_8)
+ENTRY(NG4_retl_o2_plus_o5_plus_16)
+ add %o5, 16, %o5
+ ba,pt %xcc, __restore_asi
+ add %o2, %o5, %o0
+ENDPROC(NG4_retl_o2_plus_o5_plus_16)
+ENTRY(NG4_retl_o2_plus_o5_plus_24)
+ add %o5, 24, %o5
+ ba,pt %xcc, __restore_asi
+ add %o2, %o5, %o0
+ENDPROC(NG4_retl_o2_plus_o5_plus_24)
+ENTRY(NG4_retl_o2_plus_o5_plus_32)
+ add %o5, 32, %o5
+ ba,pt %xcc, __restore_asi
+ add %o2, %o5, %o0
+ENDPROC(NG4_retl_o2_plus_o5_plus_32)
+ENTRY(NG4_retl_o2_plus_g1)
+ ba,pt %xcc, __restore_asi
+ add %o2, %g1, %o0
+ENDPROC(NG4_retl_o2_plus_g1)
+ENTRY(NG4_retl_o2_plus_g1_plus_1)
+ add %g1, 1, %g1
+ ba,pt %xcc, __restore_asi
+ add %o2, %g1, %o0
+ENDPROC(NG4_retl_o2_plus_g1_plus_1)
+ENTRY(NG4_retl_o2_plus_g1_plus_8)
+ add %g1, 8, %g1
+ ba,pt %xcc, __restore_asi
+ add %o2, %g1, %o0
+ENDPROC(NG4_retl_o2_plus_g1_plus_8)
+ENTRY(NG4_retl_o2_plus_o4)
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4)
+ENTRY(NG4_retl_o2_plus_o4_plus_8)
+ add %o4, 8, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_8)
+ENTRY(NG4_retl_o2_plus_o4_plus_16)
+ add %o4, 16, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_16)
+ENTRY(NG4_retl_o2_plus_o4_plus_24)
+ add %o4, 24, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_24)
+ENTRY(NG4_retl_o2_plus_o4_plus_32)
+ add %o4, 32, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_32)
+ENTRY(NG4_retl_o2_plus_o4_plus_40)
+ add %o4, 40, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_40)
+ENTRY(NG4_retl_o2_plus_o4_plus_48)
+ add %o4, 48, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_48)
+ENTRY(NG4_retl_o2_plus_o4_plus_56)
+ add %o4, 56, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_56)
+ENTRY(NG4_retl_o2_plus_o4_plus_64)
+ add %o4, 64, %o4
+ ba,pt %xcc, __restore_asi
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_64)
+ENTRY(NG4_retl_o2_plus_o4_fp)
+ ba,pt %xcc, __restore_asi_fp
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_fp)
+ENTRY(NG4_retl_o2_plus_o4_plus_8_fp)
+ add %o4, 8, %o4
+ ba,pt %xcc, __restore_asi_fp
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_8_fp)
+ENTRY(NG4_retl_o2_plus_o4_plus_16_fp)
+ add %o4, 16, %o4
+ ba,pt %xcc, __restore_asi_fp
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_16_fp)
+ENTRY(NG4_retl_o2_plus_o4_plus_24_fp)
+ add %o4, 24, %o4
+ ba,pt %xcc, __restore_asi_fp
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_24_fp)
+ENTRY(NG4_retl_o2_plus_o4_plus_32_fp)
+ add %o4, 32, %o4
+ ba,pt %xcc, __restore_asi_fp
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_32_fp)
+ENTRY(NG4_retl_o2_plus_o4_plus_40_fp)
+ add %o4, 40, %o4
+ ba,pt %xcc, __restore_asi_fp
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_40_fp)
+ENTRY(NG4_retl_o2_plus_o4_plus_48_fp)
+ add %o4, 48, %o4
+ ba,pt %xcc, __restore_asi_fp
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_48_fp)
+ENTRY(NG4_retl_o2_plus_o4_plus_56_fp)
+ add %o4, 56, %o4
+ ba,pt %xcc, __restore_asi_fp
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_56_fp)
+ENTRY(NG4_retl_o2_plus_o4_plus_64_fp)
+ add %o4, 64, %o4
+ ba,pt %xcc, __restore_asi_fp
+ add %o2, %o4, %o0
+ENDPROC(NG4_retl_o2_plus_o4_plus_64_fp)
+#endif
.align 64
.globl FUNC_NAME
@@ -124,12 +274,13 @@
brz,pt %g1, 51f
sub %o2, %g1, %o2
-1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2))
+
+1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2), NG4_retl_o2_plus_g1)
add %o1, 1, %o1
subcc %g1, 1, %g1
add %o0, 1, %o0
bne,pt %icc, 1b
- EX_ST(STORE(stb, %g2, %o0 - 0x01))
+ EX_ST(STORE(stb, %g2, %o0 - 0x01), NG4_retl_o2_plus_g1_plus_1)
51: LOAD(prefetch, %o1 + 0x040, #n_reads_strong)
LOAD(prefetch, %o1 + 0x080, #n_reads_strong)
@@ -154,43 +305,43 @@
brz,pt %g1, .Llarge_aligned
sub %o2, %g1, %o2
-1: EX_LD(LOAD(ldx, %o1 + 0x00, %g2))
+1: EX_LD(LOAD(ldx, %o1 + 0x00, %g2), NG4_retl_o2_plus_g1)
add %o1, 8, %o1
subcc %g1, 8, %g1
add %o0, 8, %o0
bne,pt %icc, 1b
- EX_ST(STORE(stx, %g2, %o0 - 0x08))
+ EX_ST(STORE(stx, %g2, %o0 - 0x08), NG4_retl_o2_plus_g1_plus_8)
.Llarge_aligned:
/* len >= 0x80 && src 8-byte aligned && dest 8-byte aligned */
andn %o2, 0x3f, %o4
sub %o2, %o4, %o2
-1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1))
+1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1), NG4_retl_o2_plus_o4)
add %o1, 0x40, %o1
- EX_LD(LOAD(ldx, %o1 - 0x38, %g2))
+ EX_LD(LOAD(ldx, %o1 - 0x38, %g2), NG4_retl_o2_plus_o4)
subcc %o4, 0x40, %o4
- EX_LD(LOAD(ldx, %o1 - 0x30, %g3))
- EX_LD(LOAD(ldx, %o1 - 0x28, GLOBAL_SPARE))
- EX_LD(LOAD(ldx, %o1 - 0x20, %o5))
- EX_ST(STORE_INIT(%g1, %o0))
+ EX_LD(LOAD(ldx, %o1 - 0x30, %g3), NG4_retl_o2_plus_o4_plus_64)
+ EX_LD(LOAD(ldx, %o1 - 0x28, GLOBAL_SPARE), NG4_retl_o2_plus_o4_plus_64)
+ EX_LD(LOAD(ldx, %o1 - 0x20, %o5), NG4_retl_o2_plus_o4_plus_64)
+ EX_ST(STORE_INIT(%g1, %o0), NG4_retl_o2_plus_o4_plus_64)
add %o0, 0x08, %o0
- EX_ST(STORE_INIT(%g2, %o0))
+ EX_ST(STORE_INIT(%g2, %o0), NG4_retl_o2_plus_o4_plus_56)
add %o0, 0x08, %o0
- EX_LD(LOAD(ldx, %o1 - 0x18, %g2))
- EX_ST(STORE_INIT(%g3, %o0))
+ EX_LD(LOAD(ldx, %o1 - 0x18, %g2), NG4_retl_o2_plus_o4_plus_48)
+ EX_ST(STORE_INIT(%g3, %o0), NG4_retl_o2_plus_o4_plus_48)
add %o0, 0x08, %o0
- EX_LD(LOAD(ldx, %o1 - 0x10, %g3))
- EX_ST(STORE_INIT(GLOBAL_SPARE, %o0))
+ EX_LD(LOAD(ldx, %o1 - 0x10, %g3), NG4_retl_o2_plus_o4_plus_40)
+ EX_ST(STORE_INIT(GLOBAL_SPARE, %o0), NG4_retl_o2_plus_o4_plus_40)
add %o0, 0x08, %o0
- EX_LD(LOAD(ldx, %o1 - 0x08, GLOBAL_SPARE))
- EX_ST(STORE_INIT(%o5, %o0))
+ EX_LD(LOAD(ldx, %o1 - 0x08, GLOBAL_SPARE), NG4_retl_o2_plus_o4_plus_32)
+ EX_ST(STORE_INIT(%o5, %o0), NG4_retl_o2_plus_o4_plus_32)
add %o0, 0x08, %o0
- EX_ST(STORE_INIT(%g2, %o0))
+ EX_ST(STORE_INIT(%g2, %o0), NG4_retl_o2_plus_o4_plus_24)
add %o0, 0x08, %o0
- EX_ST(STORE_INIT(%g3, %o0))
+ EX_ST(STORE_INIT(%g3, %o0), NG4_retl_o2_plus_o4_plus_16)
add %o0, 0x08, %o0
- EX_ST(STORE_INIT(GLOBAL_SPARE, %o0))
+ EX_ST(STORE_INIT(GLOBAL_SPARE, %o0), NG4_retl_o2_plus_o4_plus_8)
add %o0, 0x08, %o0
bne,pt %icc, 1b
LOAD(prefetch, %o1 + 0x200, #n_reads_strong)
@@ -216,17 +367,17 @@
sub %o2, %o4, %o2
alignaddr %o1, %g0, %g1
add %o1, %o4, %o1
- EX_LD_FP(LOAD(ldd, %g1 + 0x00, %f0))
-1: EX_LD_FP(LOAD(ldd, %g1 + 0x08, %f2))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x00, %f0), NG4_retl_o2_plus_o4)
+1: EX_LD_FP(LOAD(ldd, %g1 + 0x08, %f2), NG4_retl_o2_plus_o4)
subcc %o4, 0x40, %o4
- EX_LD_FP(LOAD(ldd, %g1 + 0x10, %f4))
- EX_LD_FP(LOAD(ldd, %g1 + 0x18, %f6))
- EX_LD_FP(LOAD(ldd, %g1 + 0x20, %f8))
- EX_LD_FP(LOAD(ldd, %g1 + 0x28, %f10))
- EX_LD_FP(LOAD(ldd, %g1 + 0x30, %f12))
- EX_LD_FP(LOAD(ldd, %g1 + 0x38, %f14))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x10, %f4), NG4_retl_o2_plus_o4_plus_64)
+ EX_LD_FP(LOAD(ldd, %g1 + 0x18, %f6), NG4_retl_o2_plus_o4_plus_64)
+ EX_LD_FP(LOAD(ldd, %g1 + 0x20, %f8), NG4_retl_o2_plus_o4_plus_64)
+ EX_LD_FP(LOAD(ldd, %g1 + 0x28, %f10), NG4_retl_o2_plus_o4_plus_64)
+ EX_LD_FP(LOAD(ldd, %g1 + 0x30, %f12), NG4_retl_o2_plus_o4_plus_64)
+ EX_LD_FP(LOAD(ldd, %g1 + 0x38, %f14), NG4_retl_o2_plus_o4_plus_64)
faligndata %f0, %f2, %f16
- EX_LD_FP(LOAD(ldd, %g1 + 0x40, %f0))
+ EX_LD_FP(LOAD(ldd, %g1 + 0x40, %f0), NG4_retl_o2_plus_o4_plus_64)
faligndata %f2, %f4, %f18
add %g1, 0x40, %g1
faligndata %f4, %f6, %f20
@@ -235,14 +386,14 @@
faligndata %f10, %f12, %f26
faligndata %f12, %f14, %f28
faligndata %f14, %f0, %f30
- EX_ST_FP(STORE(std, %f16, %o0 + 0x00))
- EX_ST_FP(STORE(std, %f18, %o0 + 0x08))
- EX_ST_FP(STORE(std, %f20, %o0 + 0x10))
- EX_ST_FP(STORE(std, %f22, %o0 + 0x18))
- EX_ST_FP(STORE(std, %f24, %o0 + 0x20))
- EX_ST_FP(STORE(std, %f26, %o0 + 0x28))
- EX_ST_FP(STORE(std, %f28, %o0 + 0x30))
- EX_ST_FP(STORE(std, %f30, %o0 + 0x38))
+ EX_ST_FP(STORE(std, %f16, %o0 + 0x00), NG4_retl_o2_plus_o4_plus_64)
+ EX_ST_FP(STORE(std, %f18, %o0 + 0x08), NG4_retl_o2_plus_o4_plus_56)
+ EX_ST_FP(STORE(std, %f20, %o0 + 0x10), NG4_retl_o2_plus_o4_plus_48)
+ EX_ST_FP(STORE(std, %f22, %o0 + 0x18), NG4_retl_o2_plus_o4_plus_40)
+ EX_ST_FP(STORE(std, %f24, %o0 + 0x20), NG4_retl_o2_plus_o4_plus_32)
+ EX_ST_FP(STORE(std, %f26, %o0 + 0x28), NG4_retl_o2_plus_o4_plus_24)
+ EX_ST_FP(STORE(std, %f28, %o0 + 0x30), NG4_retl_o2_plus_o4_plus_16)
+ EX_ST_FP(STORE(std, %f30, %o0 + 0x38), NG4_retl_o2_plus_o4_plus_8)
add %o0, 0x40, %o0
bne,pt %icc, 1b
LOAD(prefetch, %g1 + 0x200, #n_reads_strong)
@@ -270,37 +421,38 @@
andncc %o2, 0x20 - 1, %o5
be,pn %icc, 2f
sub %o2, %o5, %o2
-1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1))
- EX_LD(LOAD(ldx, %o1 + 0x08, %g2))
- EX_LD(LOAD(ldx, %o1 + 0x10, GLOBAL_SPARE))
- EX_LD(LOAD(ldx, %o1 + 0x18, %o4))
+1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1), NG4_retl_o2_plus_o5)
+ EX_LD(LOAD(ldx, %o1 + 0x08, %g2), NG4_retl_o2_plus_o5)
+ EX_LD(LOAD(ldx, %o1 + 0x10, GLOBAL_SPARE), NG4_retl_o2_plus_o5)
+ EX_LD(LOAD(ldx, %o1 + 0x18, %o4), NG4_retl_o2_plus_o5)
add %o1, 0x20, %o1
subcc %o5, 0x20, %o5
- EX_ST(STORE(stx, %g1, %o0 + 0x00))
- EX_ST(STORE(stx, %g2, %o0 + 0x08))
- EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x10))
- EX_ST(STORE(stx, %o4, %o0 + 0x18))
+ EX_ST(STORE(stx, %g1, %o0 + 0x00), NG4_retl_o2_plus_o5_plus_32)
+ EX_ST(STORE(stx, %g2, %o0 + 0x08), NG4_retl_o2_plus_o5_plus_24)
+ EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x10), NG4_retl_o2_plus_o5_plus_24)
+ EX_ST(STORE(stx, %o4, %o0 + 0x18), NG4_retl_o2_plus_o5_plus_8)
bne,pt %icc, 1b
add %o0, 0x20, %o0
2: andcc %o2, 0x18, %o5
be,pt %icc, 3f
sub %o2, %o5, %o2
-1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1))
+
+1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1), NG4_retl_o2_plus_o5)
add %o1, 0x08, %o1
add %o0, 0x08, %o0
subcc %o5, 0x08, %o5
bne,pt %icc, 1b
- EX_ST(STORE(stx, %g1, %o0 - 0x08))
+ EX_ST(STORE(stx, %g1, %o0 - 0x08), NG4_retl_o2_plus_o5_plus_8)
3: brz,pt %o2, .Lexit
cmp %o2, 0x04
bl,pn %icc, .Ltiny
nop
- EX_LD(LOAD(lduw, %o1 + 0x00, %g1))
+ EX_LD(LOAD(lduw, %o1 + 0x00, %g1), NG4_retl_o2)
add %o1, 0x04, %o1
add %o0, 0x04, %o0
subcc %o2, 0x04, %o2
bne,pn %icc, .Ltiny
- EX_ST(STORE(stw, %g1, %o0 - 0x04))
+ EX_ST(STORE(stw, %g1, %o0 - 0x04), NG4_retl_o2_plus_4)
ba,a,pt %icc, .Lexit
.Lmedium_unaligned:
/* First get dest 8 byte aligned. */
@@ -309,12 +461,12 @@
brz,pt %g1, 2f
sub %o2, %g1, %o2
-1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2))
+1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2), NG4_retl_o2_plus_g1)
add %o1, 1, %o1
subcc %g1, 1, %g1
add %o0, 1, %o0
bne,pt %icc, 1b
- EX_ST(STORE(stb, %g2, %o0 - 0x01))
+ EX_ST(STORE(stb, %g2, %o0 - 0x01), NG4_retl_o2_plus_g1_plus_1)
2:
and %o1, 0x7, %g1
brz,pn %g1, .Lmedium_noprefetch
@@ -322,16 +474,16 @@
mov 64, %g2
sub %g2, %g1, %g2
andn %o1, 0x7, %o1
- EX_LD(LOAD(ldx, %o1 + 0x00, %o4))
+ EX_LD(LOAD(ldx, %o1 + 0x00, %o4), NG4_retl_o2)
sllx %o4, %g1, %o4
andn %o2, 0x08 - 1, %o5
sub %o2, %o5, %o2
-1: EX_LD(LOAD(ldx, %o1 + 0x08, %g3))
+1: EX_LD(LOAD(ldx, %o1 + 0x08, %g3), NG4_retl_o2_plus_o5)
add %o1, 0x08, %o1
subcc %o5, 0x08, %o5
srlx %g3, %g2, GLOBAL_SPARE
or GLOBAL_SPARE, %o4, GLOBAL_SPARE
- EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x00))
+ EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x00), NG4_retl_o2_plus_o5_plus_8)
add %o0, 0x08, %o0
bne,pt %icc, 1b
sllx %g3, %g1, %o4
@@ -342,17 +494,17 @@
ba,pt %icc, .Lsmall_unaligned
.Ltiny:
- EX_LD(LOAD(ldub, %o1 + 0x00, %g1))
+ EX_LD(LOAD(ldub, %o1 + 0x00, %g1), NG4_retl_o2)
subcc %o2, 1, %o2
be,pn %icc, .Lexit
- EX_ST(STORE(stb, %g1, %o0 + 0x00))
- EX_LD(LOAD(ldub, %o1 + 0x01, %g1))
+ EX_ST(STORE(stb, %g1, %o0 + 0x00), NG4_retl_o2_plus_1)
+ EX_LD(LOAD(ldub, %o1 + 0x01, %g1), NG4_retl_o2)
subcc %o2, 1, %o2
be,pn %icc, .Lexit
- EX_ST(STORE(stb, %g1, %o0 + 0x01))
- EX_LD(LOAD(ldub, %o1 + 0x02, %g1))
+ EX_ST(STORE(stb, %g1, %o0 + 0x01), NG4_retl_o2_plus_1)
+ EX_LD(LOAD(ldub, %o1 + 0x02, %g1), NG4_retl_o2)
ba,pt %icc, .Lexit
- EX_ST(STORE(stb, %g1, %o0 + 0x02))
+ EX_ST(STORE(stb, %g1, %o0 + 0x02), NG4_retl_o2)
.Lsmall:
andcc %g2, 0x3, %g0
@@ -360,22 +512,22 @@
andn %o2, 0x4 - 1, %o5
sub %o2, %o5, %o2
1:
- EX_LD(LOAD(lduw, %o1 + 0x00, %g1))
+ EX_LD(LOAD(lduw, %o1 + 0x00, %g1), NG4_retl_o2_plus_o5)
add %o1, 0x04, %o1
subcc %o5, 0x04, %o5
add %o0, 0x04, %o0
bne,pt %icc, 1b
- EX_ST(STORE(stw, %g1, %o0 - 0x04))
+ EX_ST(STORE(stw, %g1, %o0 - 0x04), NG4_retl_o2_plus_o5_plus_4)
brz,pt %o2, .Lexit
nop
ba,a,pt %icc, .Ltiny
.Lsmall_unaligned:
-1: EX_LD(LOAD(ldub, %o1 + 0x00, %g1))
+1: EX_LD(LOAD(ldub, %o1 + 0x00, %g1), NG4_retl_o2)
add %o1, 1, %o1
add %o0, 1, %o0
subcc %o2, 1, %o2
bne,pt %icc, 1b
- EX_ST(STORE(stb, %g1, %o0 - 0x01))
+ EX_ST(STORE(stb, %g1, %o0 - 0x01), NG4_retl_o2_plus_1)
ba,a,pt %icc, .Lexit
.size FUNC_NAME, .-FUNC_NAME
diff --git a/arch/sparc/lib/NGcopy_from_user.S b/arch/sparc/lib/NGcopy_from_user.S
index 5d1e4d1..9cd42fc 100644
--- a/arch/sparc/lib/NGcopy_from_user.S
+++ b/arch/sparc/lib/NGcopy_from_user.S
@@ -3,11 +3,11 @@
* Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
*/
-#define EX_LD(x) \
+#define EX_LD(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __ret_one_asi;\
+ .word 98b, y; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/NGcopy_to_user.S b/arch/sparc/lib/NGcopy_to_user.S
index ff630dc..5c358af 100644
--- a/arch/sparc/lib/NGcopy_to_user.S
+++ b/arch/sparc/lib/NGcopy_to_user.S
@@ -3,11 +3,11 @@
* Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
*/
-#define EX_ST(x) \
+#define EX_ST(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __ret_one_asi;\
+ .word 98b, y; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/NGmemcpy.S b/arch/sparc/lib/NGmemcpy.S
index 96a14ca..d88c4ed 100644
--- a/arch/sparc/lib/NGmemcpy.S
+++ b/arch/sparc/lib/NGmemcpy.S
@@ -4,6 +4,7 @@
*/
#ifdef __KERNEL__
+#include <linux/linkage.h>
#include <asm/asi.h>
#include <asm/thread_info.h>
#define GLOBAL_SPARE %g7
@@ -27,15 +28,11 @@
#endif
#ifndef EX_LD
-#define EX_LD(x) x
+#define EX_LD(x,y) x
#endif
#ifndef EX_ST
-#define EX_ST(x) x
-#endif
-
-#ifndef EX_RETVAL
-#define EX_RETVAL(x) x
+#define EX_ST(x,y) x
#endif
#ifndef LOAD
@@ -79,6 +76,92 @@
.register %g3,#scratch
.text
+#ifndef EX_RETVAL
+#define EX_RETVAL(x) x
+__restore_asi:
+ ret
+ wr %g0, ASI_AIUS, %asi
+ restore
+ENTRY(NG_ret_i2_plus_i4_plus_1)
+ ba,pt %xcc, __restore_asi
+ add %i2, %i5, %i0
+ENDPROC(NG_ret_i2_plus_i4_plus_1)
+ENTRY(NG_ret_i2_plus_g1)
+ ba,pt %xcc, __restore_asi
+ add %i2, %g1, %i0
+ENDPROC(NG_ret_i2_plus_g1)
+ENTRY(NG_ret_i2_plus_g1_minus_8)
+ sub %g1, 8, %g1
+ ba,pt %xcc, __restore_asi
+ add %i2, %g1, %i0
+ENDPROC(NG_ret_i2_plus_g1_minus_8)
+ENTRY(NG_ret_i2_plus_g1_minus_16)
+ sub %g1, 16, %g1
+ ba,pt %xcc, __restore_asi
+ add %i2, %g1, %i0
+ENDPROC(NG_ret_i2_plus_g1_minus_16)
+ENTRY(NG_ret_i2_plus_g1_minus_24)
+ sub %g1, 24, %g1
+ ba,pt %xcc, __restore_asi
+ add %i2, %g1, %i0
+ENDPROC(NG_ret_i2_plus_g1_minus_24)
+ENTRY(NG_ret_i2_plus_g1_minus_32)
+ sub %g1, 32, %g1
+ ba,pt %xcc, __restore_asi
+ add %i2, %g1, %i0
+ENDPROC(NG_ret_i2_plus_g1_minus_32)
+ENTRY(NG_ret_i2_plus_g1_minus_40)
+ sub %g1, 40, %g1
+ ba,pt %xcc, __restore_asi
+ add %i2, %g1, %i0
+ENDPROC(NG_ret_i2_plus_g1_minus_40)
+ENTRY(NG_ret_i2_plus_g1_minus_48)
+ sub %g1, 48, %g1
+ ba,pt %xcc, __restore_asi
+ add %i2, %g1, %i0
+ENDPROC(NG_ret_i2_plus_g1_minus_48)
+ENTRY(NG_ret_i2_plus_g1_minus_56)
+ sub %g1, 56, %g1
+ ba,pt %xcc, __restore_asi
+ add %i2, %g1, %i0
+ENDPROC(NG_ret_i2_plus_g1_minus_56)
+ENTRY(NG_ret_i2_plus_i4)
+ ba,pt %xcc, __restore_asi
+ add %i2, %i4, %i0
+ENDPROC(NG_ret_i2_plus_i4)
+ENTRY(NG_ret_i2_plus_i4_minus_8)
+ sub %i4, 8, %i4
+ ba,pt %xcc, __restore_asi
+ add %i2, %i4, %i0
+ENDPROC(NG_ret_i2_plus_i4_minus_8)
+ENTRY(NG_ret_i2_plus_8)
+ ba,pt %xcc, __restore_asi
+ add %i2, 8, %i0
+ENDPROC(NG_ret_i2_plus_8)
+ENTRY(NG_ret_i2_plus_4)
+ ba,pt %xcc, __restore_asi
+ add %i2, 4, %i0
+ENDPROC(NG_ret_i2_plus_4)
+ENTRY(NG_ret_i2_plus_1)
+ ba,pt %xcc, __restore_asi
+ add %i2, 1, %i0
+ENDPROC(NG_ret_i2_plus_1)
+ENTRY(NG_ret_i2_plus_g1_plus_1)
+ add %g1, 1, %g1
+ ba,pt %xcc, __restore_asi
+ add %i2, %g1, %i0
+ENDPROC(NG_ret_i2_plus_g1_plus_1)
+ENTRY(NG_ret_i2)
+ ba,pt %xcc, __restore_asi
+ mov %i2, %i0
+ENDPROC(NG_ret_i2)
+ENTRY(NG_ret_i2_and_7_plus_i4)
+ and %i2, 7, %i2
+ ba,pt %xcc, __restore_asi
+ add %i2, %i4, %i0
+ENDPROC(NG_ret_i2_and_7_plus_i4)
+#endif
+
.align 64
.globl FUNC_NAME
@@ -126,8 +209,8 @@
sub %g0, %i4, %i4 ! bytes to align dst
sub %i2, %i4, %i2
1: subcc %i4, 1, %i4
- EX_LD(LOAD(ldub, %i1, %g1))
- EX_ST(STORE(stb, %g1, %o0))
+ EX_LD(LOAD(ldub, %i1, %g1), NG_ret_i2_plus_i4_plus_1)
+ EX_ST(STORE(stb, %g1, %o0), NG_ret_i2_plus_i4_plus_1)
add %i1, 1, %i1
bne,pt %XCC, 1b
add %o0, 1, %o0
@@ -160,7 +243,7 @@
and %i4, 0x7, GLOBAL_SPARE
sll GLOBAL_SPARE, 3, GLOBAL_SPARE
mov 64, %i5
- EX_LD(LOAD_TWIN(%i1, %g2, %g3))
+ EX_LD(LOAD_TWIN(%i1, %g2, %g3), NG_ret_i2_plus_g1)
sub %i5, GLOBAL_SPARE, %i5
mov 16, %o4
mov 32, %o5
@@ -178,31 +261,31 @@
srlx WORD3, PRE_SHIFT, TMP; \
or WORD2, TMP, WORD2;
-8: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3))
+8: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3), NG_ret_i2_plus_g1)
MIX_THREE_WORDS(%g2, %g3, %o2, %i5, GLOBAL_SPARE, %o1)
LOAD(prefetch, %i1 + %i3, #one_read)
- EX_ST(STORE_INIT(%g2, %o0 + 0x00))
- EX_ST(STORE_INIT(%g3, %o0 + 0x08))
+ EX_ST(STORE_INIT(%g2, %o0 + 0x00), NG_ret_i2_plus_g1)
+ EX_ST(STORE_INIT(%g3, %o0 + 0x08), NG_ret_i2_plus_g1_minus_8)
- EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3))
+ EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3), NG_ret_i2_plus_g1_minus_16)
MIX_THREE_WORDS(%o2, %o3, %g2, %i5, GLOBAL_SPARE, %o1)
- EX_ST(STORE_INIT(%o2, %o0 + 0x10))
- EX_ST(STORE_INIT(%o3, %o0 + 0x18))
+ EX_ST(STORE_INIT(%o2, %o0 + 0x10), NG_ret_i2_plus_g1_minus_16)
+ EX_ST(STORE_INIT(%o3, %o0 + 0x18), NG_ret_i2_plus_g1_minus_24)
- EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3))
+ EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3), NG_ret_i2_plus_g1_minus_32)
MIX_THREE_WORDS(%g2, %g3, %o2, %i5, GLOBAL_SPARE, %o1)
- EX_ST(STORE_INIT(%g2, %o0 + 0x20))
- EX_ST(STORE_INIT(%g3, %o0 + 0x28))
+ EX_ST(STORE_INIT(%g2, %o0 + 0x20), NG_ret_i2_plus_g1_minus_32)
+ EX_ST(STORE_INIT(%g3, %o0 + 0x28), NG_ret_i2_plus_g1_minus_40)
- EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3))
+ EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3), NG_ret_i2_plus_g1_minus_48)
add %i1, 64, %i1
MIX_THREE_WORDS(%o2, %o3, %g2, %i5, GLOBAL_SPARE, %o1)
- EX_ST(STORE_INIT(%o2, %o0 + 0x30))
- EX_ST(STORE_INIT(%o3, %o0 + 0x38))
+ EX_ST(STORE_INIT(%o2, %o0 + 0x30), NG_ret_i2_plus_g1_minus_48)
+ EX_ST(STORE_INIT(%o3, %o0 + 0x38), NG_ret_i2_plus_g1_minus_56)
subcc %g1, 64, %g1
bne,pt %XCC, 8b
@@ -211,31 +294,31 @@
ba,pt %XCC, 60f
add %i1, %i4, %i1
-9: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3))
+9: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3), NG_ret_i2_plus_g1)
MIX_THREE_WORDS(%g3, %o2, %o3, %i5, GLOBAL_SPARE, %o1)
LOAD(prefetch, %i1 + %i3, #one_read)
- EX_ST(STORE_INIT(%g3, %o0 + 0x00))
- EX_ST(STORE_INIT(%o2, %o0 + 0x08))
+ EX_ST(STORE_INIT(%g3, %o0 + 0x00), NG_ret_i2_plus_g1)
+ EX_ST(STORE_INIT(%o2, %o0 + 0x08), NG_ret_i2_plus_g1_minus_8)
- EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3))
+ EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3), NG_ret_i2_plus_g1_minus_16)
MIX_THREE_WORDS(%o3, %g2, %g3, %i5, GLOBAL_SPARE, %o1)
- EX_ST(STORE_INIT(%o3, %o0 + 0x10))
- EX_ST(STORE_INIT(%g2, %o0 + 0x18))
+ EX_ST(STORE_INIT(%o3, %o0 + 0x10), NG_ret_i2_plus_g1_minus_16)
+ EX_ST(STORE_INIT(%g2, %o0 + 0x18), NG_ret_i2_plus_g1_minus_24)
- EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3))
+ EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3), NG_ret_i2_plus_g1_minus_32)
MIX_THREE_WORDS(%g3, %o2, %o3, %i5, GLOBAL_SPARE, %o1)
- EX_ST(STORE_INIT(%g3, %o0 + 0x20))
- EX_ST(STORE_INIT(%o2, %o0 + 0x28))
+ EX_ST(STORE_INIT(%g3, %o0 + 0x20), NG_ret_i2_plus_g1_minus_32)
+ EX_ST(STORE_INIT(%o2, %o0 + 0x28), NG_ret_i2_plus_g1_minus_40)
- EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3))
+ EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3), NG_ret_i2_plus_g1_minus_48)
add %i1, 64, %i1
MIX_THREE_WORDS(%o3, %g2, %g3, %i5, GLOBAL_SPARE, %o1)
- EX_ST(STORE_INIT(%o3, %o0 + 0x30))
- EX_ST(STORE_INIT(%g2, %o0 + 0x38))
+ EX_ST(STORE_INIT(%o3, %o0 + 0x30), NG_ret_i2_plus_g1_minus_48)
+ EX_ST(STORE_INIT(%g2, %o0 + 0x38), NG_ret_i2_plus_g1_minus_56)
subcc %g1, 64, %g1
bne,pt %XCC, 9b
@@ -249,25 +332,25 @@
* one twin load ahead, then add 8 back into source when
* we finish the loop.
*/
- EX_LD(LOAD_TWIN(%i1, %o4, %o5))
+ EX_LD(LOAD_TWIN(%i1, %o4, %o5), NG_ret_i2_plus_g1)
mov 16, %o7
mov 32, %g2
mov 48, %g3
mov 64, %o1
-1: EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3))
+1: EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3), NG_ret_i2_plus_g1)
LOAD(prefetch, %i1 + %o1, #one_read)
- EX_ST(STORE_INIT(%o5, %o0 + 0x00)) ! initializes cache line
- EX_ST(STORE_INIT(%o2, %o0 + 0x08))
- EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5))
- EX_ST(STORE_INIT(%o3, %o0 + 0x10))
- EX_ST(STORE_INIT(%o4, %o0 + 0x18))
- EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3))
- EX_ST(STORE_INIT(%o5, %o0 + 0x20))
- EX_ST(STORE_INIT(%o2, %o0 + 0x28))
- EX_LD(LOAD_TWIN(%i1 + %o1, %o4, %o5))
+ EX_ST(STORE_INIT(%o5, %o0 + 0x00), NG_ret_i2_plus_g1) ! initializes cache line
+ EX_ST(STORE_INIT(%o2, %o0 + 0x08), NG_ret_i2_plus_g1_minus_8)
+ EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5), NG_ret_i2_plus_g1_minus_16)
+ EX_ST(STORE_INIT(%o3, %o0 + 0x10), NG_ret_i2_plus_g1_minus_16)
+ EX_ST(STORE_INIT(%o4, %o0 + 0x18), NG_ret_i2_plus_g1_minus_24)
+ EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3), NG_ret_i2_plus_g1_minus_32)
+ EX_ST(STORE_INIT(%o5, %o0 + 0x20), NG_ret_i2_plus_g1_minus_32)
+ EX_ST(STORE_INIT(%o2, %o0 + 0x28), NG_ret_i2_plus_g1_minus_40)
+ EX_LD(LOAD_TWIN(%i1 + %o1, %o4, %o5), NG_ret_i2_plus_g1_minus_48)
add %i1, 64, %i1
- EX_ST(STORE_INIT(%o3, %o0 + 0x30))
- EX_ST(STORE_INIT(%o4, %o0 + 0x38))
+ EX_ST(STORE_INIT(%o3, %o0 + 0x30), NG_ret_i2_plus_g1_minus_48)
+ EX_ST(STORE_INIT(%o4, %o0 + 0x38), NG_ret_i2_plus_g1_minus_56)
subcc %g1, 64, %g1
bne,pt %XCC, 1b
add %o0, 64, %o0
@@ -282,20 +365,20 @@
mov 32, %g2
mov 48, %g3
mov 64, %o1
-1: EX_LD(LOAD_TWIN(%i1 + %g0, %o4, %o5))
- EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3))
+1: EX_LD(LOAD_TWIN(%i1 + %g0, %o4, %o5), NG_ret_i2_plus_g1)
+ EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3), NG_ret_i2_plus_g1)
LOAD(prefetch, %i1 + %o1, #one_read)
- EX_ST(STORE_INIT(%o4, %o0 + 0x00)) ! initializes cache line
- EX_ST(STORE_INIT(%o5, %o0 + 0x08))
- EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5))
- EX_ST(STORE_INIT(%o2, %o0 + 0x10))
- EX_ST(STORE_INIT(%o3, %o0 + 0x18))
- EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3))
+ EX_ST(STORE_INIT(%o4, %o0 + 0x00), NG_ret_i2_plus_g1) ! initializes cache line
+ EX_ST(STORE_INIT(%o5, %o0 + 0x08), NG_ret_i2_plus_g1_minus_8)
+ EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5), NG_ret_i2_plus_g1_minus_16)
+ EX_ST(STORE_INIT(%o2, %o0 + 0x10), NG_ret_i2_plus_g1_minus_16)
+ EX_ST(STORE_INIT(%o3, %o0 + 0x18), NG_ret_i2_plus_g1_minus_24)
+ EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3), NG_ret_i2_plus_g1_minus_32)
add %i1, 64, %i1
- EX_ST(STORE_INIT(%o4, %o0 + 0x20))
- EX_ST(STORE_INIT(%o5, %o0 + 0x28))
- EX_ST(STORE_INIT(%o2, %o0 + 0x30))
- EX_ST(STORE_INIT(%o3, %o0 + 0x38))
+ EX_ST(STORE_INIT(%o4, %o0 + 0x20), NG_ret_i2_plus_g1_minus_32)
+ EX_ST(STORE_INIT(%o5, %o0 + 0x28), NG_ret_i2_plus_g1_minus_40)
+ EX_ST(STORE_INIT(%o2, %o0 + 0x30), NG_ret_i2_plus_g1_minus_48)
+ EX_ST(STORE_INIT(%o3, %o0 + 0x38), NG_ret_i2_plus_g1_minus_56)
subcc %g1, 64, %g1
bne,pt %XCC, 1b
add %o0, 64, %o0
@@ -321,28 +404,28 @@
andn %i2, 0xf, %i4
and %i2, 0xf, %i2
1: subcc %i4, 0x10, %i4
- EX_LD(LOAD(ldx, %i1, %o4))
+ EX_LD(LOAD(ldx, %i1, %o4), NG_ret_i2_plus_i4)
add %i1, 0x08, %i1
- EX_LD(LOAD(ldx, %i1, %g1))
+ EX_LD(LOAD(ldx, %i1, %g1), NG_ret_i2_plus_i4)
sub %i1, 0x08, %i1
- EX_ST(STORE(stx, %o4, %i1 + %i3))
+ EX_ST(STORE(stx, %o4, %i1 + %i3), NG_ret_i2_plus_i4)
add %i1, 0x8, %i1
- EX_ST(STORE(stx, %g1, %i1 + %i3))
+ EX_ST(STORE(stx, %g1, %i1 + %i3), NG_ret_i2_plus_i4_minus_8)
bgu,pt %XCC, 1b
add %i1, 0x8, %i1
73: andcc %i2, 0x8, %g0
be,pt %XCC, 1f
nop
sub %i2, 0x8, %i2
- EX_LD(LOAD(ldx, %i1, %o4))
- EX_ST(STORE(stx, %o4, %i1 + %i3))
+ EX_LD(LOAD(ldx, %i1, %o4), NG_ret_i2_plus_8)
+ EX_ST(STORE(stx, %o4, %i1 + %i3), NG_ret_i2_plus_8)
add %i1, 0x8, %i1
1: andcc %i2, 0x4, %g0
be,pt %XCC, 1f
nop
sub %i2, 0x4, %i2
- EX_LD(LOAD(lduw, %i1, %i5))
- EX_ST(STORE(stw, %i5, %i1 + %i3))
+ EX_LD(LOAD(lduw, %i1, %i5), NG_ret_i2_plus_4)
+ EX_ST(STORE(stw, %i5, %i1 + %i3), NG_ret_i2_plus_4)
add %i1, 0x4, %i1
1: cmp %i2, 0
be,pt %XCC, 85f
@@ -358,8 +441,8 @@
sub %i2, %g1, %i2
1: subcc %g1, 1, %g1
- EX_LD(LOAD(ldub, %i1, %i5))
- EX_ST(STORE(stb, %i5, %i1 + %i3))
+ EX_LD(LOAD(ldub, %i1, %i5), NG_ret_i2_plus_g1_plus_1)
+ EX_ST(STORE(stb, %i5, %i1 + %i3), NG_ret_i2_plus_g1_plus_1)
bgu,pt %icc, 1b
add %i1, 1, %i1
@@ -375,16 +458,16 @@
8: mov 64, %i3
andn %i1, 0x7, %i1
- EX_LD(LOAD(ldx, %i1, %g2))
+ EX_LD(LOAD(ldx, %i1, %g2), NG_ret_i2)
sub %i3, %g1, %i3
andn %i2, 0x7, %i4
sllx %g2, %g1, %g2
1: add %i1, 0x8, %i1
- EX_LD(LOAD(ldx, %i1, %g3))
+ EX_LD(LOAD(ldx, %i1, %g3), NG_ret_i2_and_7_plus_i4)
subcc %i4, 0x8, %i4
srlx %g3, %i3, %i5
or %i5, %g2, %i5
- EX_ST(STORE(stx, %i5, %o0))
+ EX_ST(STORE(stx, %i5, %o0), NG_ret_i2_and_7_plus_i4)
add %o0, 0x8, %o0
bgu,pt %icc, 1b
sllx %g3, %g1, %g2
@@ -404,8 +487,8 @@
1:
subcc %i2, 4, %i2
- EX_LD(LOAD(lduw, %i1, %g1))
- EX_ST(STORE(stw, %g1, %i1 + %i3))
+ EX_LD(LOAD(lduw, %i1, %g1), NG_ret_i2_plus_4)
+ EX_ST(STORE(stw, %g1, %i1 + %i3), NG_ret_i2_plus_4)
bgu,pt %XCC, 1b
add %i1, 4, %i1
@@ -415,8 +498,8 @@
.align 32
90:
subcc %i2, 1, %i2
- EX_LD(LOAD(ldub, %i1, %g1))
- EX_ST(STORE(stb, %g1, %i1 + %i3))
+ EX_LD(LOAD(ldub, %i1, %g1), NG_ret_i2_plus_1)
+ EX_ST(STORE(stb, %g1, %i1 + %i3), NG_ret_i2_plus_1)
bgu,pt %XCC, 90b
add %i1, 1, %i1
ret
diff --git a/arch/sparc/lib/U1copy_from_user.S b/arch/sparc/lib/U1copy_from_user.S
index ecc5692..bb6ff73 100644
--- a/arch/sparc/lib/U1copy_from_user.S
+++ b/arch/sparc/lib/U1copy_from_user.S
@@ -3,19 +3,19 @@
* Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
*/
-#define EX_LD(x) \
+#define EX_LD(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one; \
+ .word 98b, y; \
.text; \
.align 4;
-#define EX_LD_FP(x) \
+#define EX_LD_FP(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_fp;\
+ .word 98b, y; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/U1copy_to_user.S b/arch/sparc/lib/U1copy_to_user.S
index 9eea392..ed92ce7 100644
--- a/arch/sparc/lib/U1copy_to_user.S
+++ b/arch/sparc/lib/U1copy_to_user.S
@@ -3,19 +3,19 @@
* Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
*/
-#define EX_ST(x) \
+#define EX_ST(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one; \
+ .word 98b, y; \
.text; \
.align 4;
-#define EX_ST_FP(x) \
+#define EX_ST_FP(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_fp;\
+ .word 98b, y; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/U1memcpy.S b/arch/sparc/lib/U1memcpy.S
index 3e6209e..f30d2ab 100644
--- a/arch/sparc/lib/U1memcpy.S
+++ b/arch/sparc/lib/U1memcpy.S
@@ -5,6 +5,7 @@
*/
#ifdef __KERNEL__
+#include <linux/linkage.h>
#include <asm/visasm.h>
#include <asm/asi.h>
#define GLOBAL_SPARE g7
@@ -23,21 +24,17 @@
#endif
#ifndef EX_LD
-#define EX_LD(x) x
+#define EX_LD(x,y) x
#endif
#ifndef EX_LD_FP
-#define EX_LD_FP(x) x
+#define EX_LD_FP(x,y) x
#endif
#ifndef EX_ST
-#define EX_ST(x) x
+#define EX_ST(x,y) x
#endif
#ifndef EX_ST_FP
-#define EX_ST_FP(x) x
-#endif
-
-#ifndef EX_RETVAL
-#define EX_RETVAL(x) x
+#define EX_ST_FP(x,y) x
#endif
#ifndef LOAD
@@ -78,53 +75,169 @@
faligndata %f7, %f8, %f60; \
faligndata %f8, %f9, %f62;
-#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt) \
- EX_LD_FP(LOAD_BLK(%src, %fdest)); \
- EX_ST_FP(STORE_BLK(%fsrc, %dest)); \
- add %src, 0x40, %src; \
- subcc %len, 0x40, %len; \
- be,pn %xcc, jmptgt; \
- add %dest, 0x40, %dest; \
+#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, jmptgt) \
+ EX_LD_FP(LOAD_BLK(%src, %fdest), U1_gs_80_fp); \
+ EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_gs_80_fp); \
+ add %src, 0x40, %src; \
+ subcc %GLOBAL_SPARE, 0x40, %GLOBAL_SPARE; \
+ be,pn %xcc, jmptgt; \
+ add %dest, 0x40, %dest; \
-#define LOOP_CHUNK1(src, dest, len, branch_dest) \
- MAIN_LOOP_CHUNK(src, dest, f0, f48, len, branch_dest)
-#define LOOP_CHUNK2(src, dest, len, branch_dest) \
- MAIN_LOOP_CHUNK(src, dest, f16, f48, len, branch_dest)
-#define LOOP_CHUNK3(src, dest, len, branch_dest) \
- MAIN_LOOP_CHUNK(src, dest, f32, f48, len, branch_dest)
+#define LOOP_CHUNK1(src, dest, branch_dest) \
+ MAIN_LOOP_CHUNK(src, dest, f0, f48, branch_dest)
+#define LOOP_CHUNK2(src, dest, branch_dest) \
+ MAIN_LOOP_CHUNK(src, dest, f16, f48, branch_dest)
+#define LOOP_CHUNK3(src, dest, branch_dest) \
+ MAIN_LOOP_CHUNK(src, dest, f32, f48, branch_dest)
#define DO_SYNC membar #Sync;
#define STORE_SYNC(dest, fsrc) \
- EX_ST_FP(STORE_BLK(%fsrc, %dest)); \
+ EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_gs_80_fp); \
add %dest, 0x40, %dest; \
DO_SYNC
#define STORE_JUMP(dest, fsrc, target) \
- EX_ST_FP(STORE_BLK(%fsrc, %dest)); \
+ EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_gs_40_fp); \
add %dest, 0x40, %dest; \
ba,pt %xcc, target; \
nop;
-#define FINISH_VISCHUNK(dest, f0, f1, left) \
- subcc %left, 8, %left;\
- bl,pn %xcc, 95f; \
- faligndata %f0, %f1, %f48; \
- EX_ST_FP(STORE(std, %f48, %dest)); \
+#define FINISH_VISCHUNK(dest, f0, f1) \
+ subcc %g3, 8, %g3; \
+ bl,pn %xcc, 95f; \
+ faligndata %f0, %f1, %f48; \
+ EX_ST_FP(STORE(std, %f48, %dest), U1_g3_8_fp); \
add %dest, 8, %dest;
-#define UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \
- subcc %left, 8, %left; \
- bl,pn %xcc, 95f; \
+#define UNEVEN_VISCHUNK_LAST(dest, f0, f1) \
+ subcc %g3, 8, %g3; \
+ bl,pn %xcc, 95f; \
fsrc2 %f0, %f1;
-#define UNEVEN_VISCHUNK(dest, f0, f1, left) \
- UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \
+#define UNEVEN_VISCHUNK(dest, f0, f1) \
+ UNEVEN_VISCHUNK_LAST(dest, f0, f1) \
ba,a,pt %xcc, 93f;
.register %g2,#scratch
.register %g3,#scratch
.text
+#ifndef EX_RETVAL
+#define EX_RETVAL(x) x
+ENTRY(U1_g1_1_fp)
+ VISExitHalf
+ add %g1, 1, %g1
+ add %g1, %g2, %g1
+ retl
+ add %g1, %o2, %o0
+ENDPROC(U1_g1_1_fp)
+ENTRY(U1_g2_0_fp)
+ VISExitHalf
+ retl
+ add %g2, %o2, %o0
+ENDPROC(U1_g2_0_fp)
+ENTRY(U1_g2_8_fp)
+ VISExitHalf
+ add %g2, 8, %g2
+ retl
+ add %g2, %o2, %o0
+ENDPROC(U1_g2_8_fp)
+ENTRY(U1_gs_0_fp)
+ VISExitHalf
+ add %GLOBAL_SPARE, %g3, %o0
+ retl
+ add %o0, %o2, %o0
+ENDPROC(U1_gs_0_fp)
+ENTRY(U1_gs_80_fp)
+ VISExitHalf
+ add %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE
+ add %GLOBAL_SPARE, %g3, %o0
+ retl
+ add %o0, %o2, %o0
+ENDPROC(U1_gs_80_fp)
+ENTRY(U1_gs_40_fp)
+ VISExitHalf
+ add %GLOBAL_SPARE, 0x40, %GLOBAL_SPARE
+ add %GLOBAL_SPARE, %g3, %o0
+ retl
+ add %o0, %o2, %o0
+ENDPROC(U1_gs_40_fp)
+ENTRY(U1_g3_0_fp)
+ VISExitHalf
+ retl
+ add %g3, %o2, %o0
+ENDPROC(U1_g3_0_fp)
+ENTRY(U1_g3_8_fp)
+ VISExitHalf
+ add %g3, 8, %g3
+ retl
+ add %g3, %o2, %o0
+ENDPROC(U1_g3_8_fp)
+ENTRY(U1_o2_0_fp)
+ VISExitHalf
+ retl
+ mov %o2, %o0
+ENDPROC(U1_o2_0_fp)
+ENTRY(U1_o2_1_fp)
+ VISExitHalf
+ retl
+ add %o2, 1, %o0
+ENDPROC(U1_o2_1_fp)
+ENTRY(U1_gs_0)
+ VISExitHalf
+ retl
+ add %GLOBAL_SPARE, %o2, %o0
+ENDPROC(U1_gs_0)
+ENTRY(U1_gs_8)
+ VISExitHalf
+ add %GLOBAL_SPARE, %o2, %GLOBAL_SPARE
+ retl
+ add %GLOBAL_SPARE, 0x8, %o0
+ENDPROC(U1_gs_8)
+ENTRY(U1_gs_10)
+ VISExitHalf
+ add %GLOBAL_SPARE, %o2, %GLOBAL_SPARE
+ retl
+ add %GLOBAL_SPARE, 0x10, %o0
+ENDPROC(U1_gs_10)
+ENTRY(U1_o2_0)
+ retl
+ mov %o2, %o0
+ENDPROC(U1_o2_0)
+ENTRY(U1_o2_8)
+ retl
+ add %o2, 8, %o0
+ENDPROC(U1_o2_8)
+ENTRY(U1_o2_4)
+ retl
+ add %o2, 4, %o0
+ENDPROC(U1_o2_4)
+ENTRY(U1_o2_1)
+ retl
+ add %o2, 1, %o0
+ENDPROC(U1_o2_1)
+ENTRY(U1_g1_0)
+ retl
+ add %g1, %o2, %o0
+ENDPROC(U1_g1_0)
+ENTRY(U1_g1_1)
+ add %g1, 1, %g1
+ retl
+ add %g1, %o2, %o0
+ENDPROC(U1_g1_1)
+ENTRY(U1_gs_0_o2_adj)
+ and %o2, 7, %o2
+ retl
+ add %GLOBAL_SPARE, %o2, %o0
+ENDPROC(U1_gs_0_o2_adj)
+ENTRY(U1_gs_8_o2_adj)
+ and %o2, 7, %o2
+ add %GLOBAL_SPARE, 8, %GLOBAL_SPARE
+ retl
+ add %GLOBAL_SPARE, %o2, %o0
+ENDPROC(U1_gs_8_o2_adj)
+#endif
+
.align 64
.globl FUNC_NAME
@@ -166,8 +279,8 @@
and %g2, 0x38, %g2
1: subcc %g1, 0x1, %g1
- EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3))
- EX_ST_FP(STORE(stb, %o3, %o1 + %GLOBAL_SPARE))
+ EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3), U1_g1_1_fp)
+ EX_ST_FP(STORE(stb, %o3, %o1 + %GLOBAL_SPARE), U1_g1_1_fp)
bgu,pt %XCC, 1b
add %o1, 0x1, %o1
@@ -178,20 +291,20 @@
be,pt %icc, 3f
alignaddr %o1, %g0, %o1
- EX_LD_FP(LOAD(ldd, %o1, %f4))
-1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6))
+ EX_LD_FP(LOAD(ldd, %o1, %f4), U1_g2_0_fp)
+1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6), U1_g2_0_fp)
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f4, %f6, %f0
- EX_ST_FP(STORE(std, %f0, %o0))
+ EX_ST_FP(STORE(std, %f0, %o0), U1_g2_8_fp)
be,pn %icc, 3f
add %o0, 0x8, %o0
- EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4), U1_g2_0_fp)
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f6, %f4, %f0
- EX_ST_FP(STORE(std, %f0, %o0))
+ EX_ST_FP(STORE(std, %f0, %o0), U1_g2_8_fp)
bne,pt %icc, 1b
add %o0, 0x8, %o0
@@ -214,13 +327,13 @@
add %g1, %GLOBAL_SPARE, %g1
subcc %o2, %g3, %o2
- EX_LD_FP(LOAD_BLK(%o1, %f0))
+ EX_LD_FP(LOAD_BLK(%o1, %f0), U1_gs_0_fp)
add %o1, 0x40, %o1
add %g1, %g3, %g1
- EX_LD_FP(LOAD_BLK(%o1, %f16))
+ EX_LD_FP(LOAD_BLK(%o1, %f16), U1_gs_0_fp)
add %o1, 0x40, %o1
sub %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE
- EX_LD_FP(LOAD_BLK(%o1, %f32))
+ EX_LD_FP(LOAD_BLK(%o1, %f32), U1_gs_80_fp)
add %o1, 0x40, %o1
/* There are 8 instances of the unrolled loop,
@@ -240,11 +353,11 @@
.align 64
1: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16)
- LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
+ LOOP_CHUNK1(o1, o0, 1f)
FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32)
- LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
+ LOOP_CHUNK2(o1, o0, 2f)
FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)
- LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
+ LOOP_CHUNK3(o1, o0, 3f)
ba,pt %xcc, 1b+4
faligndata %f0, %f2, %f48
1: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32)
@@ -261,11 +374,11 @@
STORE_JUMP(o0, f48, 56f)
1: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18)
- LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
+ LOOP_CHUNK1(o1, o0, 1f)
FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34)
- LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
+ LOOP_CHUNK2(o1, o0, 2f)
FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)
- LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
+ LOOP_CHUNK3(o1, o0, 3f)
ba,pt %xcc, 1b+4
faligndata %f2, %f4, %f48
1: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34)
@@ -282,11 +395,11 @@
STORE_JUMP(o0, f48, 57f)
1: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20)
- LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
+ LOOP_CHUNK1(o1, o0, 1f)
FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36)
- LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
+ LOOP_CHUNK2(o1, o0, 2f)
FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)
- LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
+ LOOP_CHUNK3(o1, o0, 3f)
ba,pt %xcc, 1b+4
faligndata %f4, %f6, %f48
1: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36)
@@ -303,11 +416,11 @@
STORE_JUMP(o0, f48, 58f)
1: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22)
- LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
+ LOOP_CHUNK1(o1, o0, 1f)
FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38)
- LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
+ LOOP_CHUNK2(o1, o0, 2f)
FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6)
- LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
+ LOOP_CHUNK3(o1, o0, 3f)
ba,pt %xcc, 1b+4
faligndata %f6, %f8, %f48
1: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38)
@@ -324,11 +437,11 @@
STORE_JUMP(o0, f48, 59f)
1: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24)
- LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
+ LOOP_CHUNK1(o1, o0, 1f)
FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40)
- LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
+ LOOP_CHUNK2(o1, o0, 2f)
FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)
- LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
+ LOOP_CHUNK3(o1, o0, 3f)
ba,pt %xcc, 1b+4
faligndata %f8, %f10, %f48
1: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40)
@@ -345,11 +458,11 @@
STORE_JUMP(o0, f48, 60f)
1: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26)
- LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
+ LOOP_CHUNK1(o1, o0, 1f)
FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42)
- LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
+ LOOP_CHUNK2(o1, o0, 2f)
FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10)
- LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
+ LOOP_CHUNK3(o1, o0, 3f)
ba,pt %xcc, 1b+4
faligndata %f10, %f12, %f48
1: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42)
@@ -366,11 +479,11 @@
STORE_JUMP(o0, f48, 61f)
1: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28)
- LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
+ LOOP_CHUNK1(o1, o0, 1f)
FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44)
- LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
+ LOOP_CHUNK2(o1, o0, 2f)
FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12)
- LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
+ LOOP_CHUNK3(o1, o0, 3f)
ba,pt %xcc, 1b+4
faligndata %f12, %f14, %f48
1: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44)
@@ -387,11 +500,11 @@
STORE_JUMP(o0, f48, 62f)
1: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30)
- LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
+ LOOP_CHUNK1(o1, o0, 1f)
FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46)
- LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
+ LOOP_CHUNK2(o1, o0, 2f)
FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14)
- LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
+ LOOP_CHUNK3(o1, o0, 3f)
ba,pt %xcc, 1b+4
faligndata %f14, %f16, %f48
1: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46)
@@ -407,53 +520,53 @@
FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46)
STORE_JUMP(o0, f48, 63f)
-40: FINISH_VISCHUNK(o0, f0, f2, g3)
-41: FINISH_VISCHUNK(o0, f2, f4, g3)
-42: FINISH_VISCHUNK(o0, f4, f6, g3)
-43: FINISH_VISCHUNK(o0, f6, f8, g3)
-44: FINISH_VISCHUNK(o0, f8, f10, g3)
-45: FINISH_VISCHUNK(o0, f10, f12, g3)
-46: FINISH_VISCHUNK(o0, f12, f14, g3)
-47: UNEVEN_VISCHUNK(o0, f14, f0, g3)
-48: FINISH_VISCHUNK(o0, f16, f18, g3)
-49: FINISH_VISCHUNK(o0, f18, f20, g3)
-50: FINISH_VISCHUNK(o0, f20, f22, g3)
-51: FINISH_VISCHUNK(o0, f22, f24, g3)
-52: FINISH_VISCHUNK(o0, f24, f26, g3)
-53: FINISH_VISCHUNK(o0, f26, f28, g3)
-54: FINISH_VISCHUNK(o0, f28, f30, g3)
-55: UNEVEN_VISCHUNK(o0, f30, f0, g3)
-56: FINISH_VISCHUNK(o0, f32, f34, g3)
-57: FINISH_VISCHUNK(o0, f34, f36, g3)
-58: FINISH_VISCHUNK(o0, f36, f38, g3)
-59: FINISH_VISCHUNK(o0, f38, f40, g3)
-60: FINISH_VISCHUNK(o0, f40, f42, g3)
-61: FINISH_VISCHUNK(o0, f42, f44, g3)
-62: FINISH_VISCHUNK(o0, f44, f46, g3)
-63: UNEVEN_VISCHUNK_LAST(o0, f46, f0, g3)
+40: FINISH_VISCHUNK(o0, f0, f2)
+41: FINISH_VISCHUNK(o0, f2, f4)
+42: FINISH_VISCHUNK(o0, f4, f6)
+43: FINISH_VISCHUNK(o0, f6, f8)
+44: FINISH_VISCHUNK(o0, f8, f10)
+45: FINISH_VISCHUNK(o0, f10, f12)
+46: FINISH_VISCHUNK(o0, f12, f14)
+47: UNEVEN_VISCHUNK(o0, f14, f0)
+48: FINISH_VISCHUNK(o0, f16, f18)
+49: FINISH_VISCHUNK(o0, f18, f20)
+50: FINISH_VISCHUNK(o0, f20, f22)
+51: FINISH_VISCHUNK(o0, f22, f24)
+52: FINISH_VISCHUNK(o0, f24, f26)
+53: FINISH_VISCHUNK(o0, f26, f28)
+54: FINISH_VISCHUNK(o0, f28, f30)
+55: UNEVEN_VISCHUNK(o0, f30, f0)
+56: FINISH_VISCHUNK(o0, f32, f34)
+57: FINISH_VISCHUNK(o0, f34, f36)
+58: FINISH_VISCHUNK(o0, f36, f38)
+59: FINISH_VISCHUNK(o0, f38, f40)
+60: FINISH_VISCHUNK(o0, f40, f42)
+61: FINISH_VISCHUNK(o0, f42, f44)
+62: FINISH_VISCHUNK(o0, f44, f46)
+63: UNEVEN_VISCHUNK_LAST(o0, f46, f0)
-93: EX_LD_FP(LOAD(ldd, %o1, %f2))
+93: EX_LD_FP(LOAD(ldd, %o1, %f2), U1_g3_0_fp)
add %o1, 8, %o1
subcc %g3, 8, %g3
faligndata %f0, %f2, %f8
- EX_ST_FP(STORE(std, %f8, %o0))
+ EX_ST_FP(STORE(std, %f8, %o0), U1_g3_8_fp)
bl,pn %xcc, 95f
add %o0, 8, %o0
- EX_LD_FP(LOAD(ldd, %o1, %f0))
+ EX_LD_FP(LOAD(ldd, %o1, %f0), U1_g3_0_fp)
add %o1, 8, %o1
subcc %g3, 8, %g3
faligndata %f2, %f0, %f8
- EX_ST_FP(STORE(std, %f8, %o0))
+ EX_ST_FP(STORE(std, %f8, %o0), U1_g3_8_fp)
bge,pt %xcc, 93b
add %o0, 8, %o0
95: brz,pt %o2, 2f
mov %g1, %o1
-1: EX_LD_FP(LOAD(ldub, %o1, %o3))
+1: EX_LD_FP(LOAD(ldub, %o1, %o3), U1_o2_0_fp)
add %o1, 1, %o1
subcc %o2, 1, %o2
- EX_ST_FP(STORE(stb, %o3, %o0))
+ EX_ST_FP(STORE(stb, %o3, %o0), U1_o2_1_fp)
bne,pt %xcc, 1b
add %o0, 1, %o0
@@ -469,27 +582,27 @@
72: andn %o2, 0xf, %GLOBAL_SPARE
and %o2, 0xf, %o2
-1: EX_LD(LOAD(ldx, %o1 + 0x00, %o5))
- EX_LD(LOAD(ldx, %o1 + 0x08, %g1))
+1: EX_LD(LOAD(ldx, %o1 + 0x00, %o5), U1_gs_0)
+ EX_LD(LOAD(ldx, %o1 + 0x08, %g1), U1_gs_0)
subcc %GLOBAL_SPARE, 0x10, %GLOBAL_SPARE
- EX_ST(STORE(stx, %o5, %o1 + %o3))
+ EX_ST(STORE(stx, %o5, %o1 + %o3), U1_gs_10)
add %o1, 0x8, %o1
- EX_ST(STORE(stx, %g1, %o1 + %o3))
+ EX_ST(STORE(stx, %g1, %o1 + %o3), U1_gs_8)
bgu,pt %XCC, 1b
add %o1, 0x8, %o1
73: andcc %o2, 0x8, %g0
be,pt %XCC, 1f
nop
- EX_LD(LOAD(ldx, %o1, %o5))
+ EX_LD(LOAD(ldx, %o1, %o5), U1_o2_0)
sub %o2, 0x8, %o2
- EX_ST(STORE(stx, %o5, %o1 + %o3))
+ EX_ST(STORE(stx, %o5, %o1 + %o3), U1_o2_8)
add %o1, 0x8, %o1
1: andcc %o2, 0x4, %g0
be,pt %XCC, 1f
nop
- EX_LD(LOAD(lduw, %o1, %o5))
+ EX_LD(LOAD(lduw, %o1, %o5), U1_o2_0)
sub %o2, 0x4, %o2
- EX_ST(STORE(stw, %o5, %o1 + %o3))
+ EX_ST(STORE(stw, %o5, %o1 + %o3), U1_o2_4)
add %o1, 0x4, %o1
1: cmp %o2, 0
be,pt %XCC, 85f
@@ -503,9 +616,9 @@
sub %g0, %g1, %g1
sub %o2, %g1, %o2
-1: EX_LD(LOAD(ldub, %o1, %o5))
+1: EX_LD(LOAD(ldub, %o1, %o5), U1_g1_0)
subcc %g1, 1, %g1
- EX_ST(STORE(stb, %o5, %o1 + %o3))
+ EX_ST(STORE(stb, %o5, %o1 + %o3), U1_g1_1)
bgu,pt %icc, 1b
add %o1, 1, %o1
@@ -521,16 +634,16 @@
8: mov 64, %o3
andn %o1, 0x7, %o1
- EX_LD(LOAD(ldx, %o1, %g2))
+ EX_LD(LOAD(ldx, %o1, %g2), U1_o2_0)
sub %o3, %g1, %o3
andn %o2, 0x7, %GLOBAL_SPARE
sllx %g2, %g1, %g2
-1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3))
+1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3), U1_gs_0_o2_adj)
subcc %GLOBAL_SPARE, 0x8, %GLOBAL_SPARE
add %o1, 0x8, %o1
srlx %g3, %o3, %o5
or %o5, %g2, %o5
- EX_ST(STORE(stx, %o5, %o0))
+ EX_ST(STORE(stx, %o5, %o0), U1_gs_8_o2_adj)
add %o0, 0x8, %o0
bgu,pt %icc, 1b
sllx %g3, %g1, %g2
@@ -548,9 +661,9 @@
bne,pn %XCC, 90f
sub %o0, %o1, %o3
-1: EX_LD(LOAD(lduw, %o1, %g1))
+1: EX_LD(LOAD(lduw, %o1, %g1), U1_o2_0)
subcc %o2, 4, %o2
- EX_ST(STORE(stw, %g1, %o1 + %o3))
+ EX_ST(STORE(stw, %g1, %o1 + %o3), U1_o2_4)
bgu,pt %XCC, 1b
add %o1, 4, %o1
@@ -558,9 +671,9 @@
mov EX_RETVAL(%o4), %o0
.align 32
-90: EX_LD(LOAD(ldub, %o1, %g1))
+90: EX_LD(LOAD(ldub, %o1, %g1), U1_o2_0)
subcc %o2, 1, %o2
- EX_ST(STORE(stb, %g1, %o1 + %o3))
+ EX_ST(STORE(stb, %g1, %o1 + %o3), U1_o2_1)
bgu,pt %XCC, 90b
add %o1, 1, %o1
retl
diff --git a/arch/sparc/lib/U3copy_from_user.S b/arch/sparc/lib/U3copy_from_user.S
index 88ad73d..db73010 100644
--- a/arch/sparc/lib/U3copy_from_user.S
+++ b/arch/sparc/lib/U3copy_from_user.S
@@ -3,19 +3,19 @@
* Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
*/
-#define EX_LD(x) \
+#define EX_LD(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one; \
+ .word 98b, y; \
.text; \
.align 4;
-#define EX_LD_FP(x) \
+#define EX_LD_FP(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_fp;\
+ .word 98b, y##_fp; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/U3copy_to_user.S b/arch/sparc/lib/U3copy_to_user.S
index 845139d..c4ee858 100644
--- a/arch/sparc/lib/U3copy_to_user.S
+++ b/arch/sparc/lib/U3copy_to_user.S
@@ -3,19 +3,19 @@
* Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
*/
-#define EX_ST(x) \
+#define EX_ST(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one; \
+ .word 98b, y; \
.text; \
.align 4;
-#define EX_ST_FP(x) \
+#define EX_ST_FP(x,y) \
98: x; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one_fp;\
+ .word 98b, y##_fp; \
.text; \
.align 4;
diff --git a/arch/sparc/lib/U3memcpy.S b/arch/sparc/lib/U3memcpy.S
index 491ee69..54f9870 100644
--- a/arch/sparc/lib/U3memcpy.S
+++ b/arch/sparc/lib/U3memcpy.S
@@ -4,6 +4,7 @@
*/
#ifdef __KERNEL__
+#include <linux/linkage.h>
#include <asm/visasm.h>
#include <asm/asi.h>
#define GLOBAL_SPARE %g7
@@ -22,21 +23,17 @@
#endif
#ifndef EX_LD
-#define EX_LD(x) x
+#define EX_LD(x,y) x
#endif
#ifndef EX_LD_FP
-#define EX_LD_FP(x) x
+#define EX_LD_FP(x,y) x
#endif
#ifndef EX_ST
-#define EX_ST(x) x
+#define EX_ST(x,y) x
#endif
#ifndef EX_ST_FP
-#define EX_ST_FP(x) x
-#endif
-
-#ifndef EX_RETVAL
-#define EX_RETVAL(x) x
+#define EX_ST_FP(x,y) x
#endif
#ifndef LOAD
@@ -77,6 +74,87 @@
*/
.text
+#ifndef EX_RETVAL
+#define EX_RETVAL(x) x
+__restore_fp:
+ VISExitHalf
+ retl
+ nop
+ENTRY(U3_retl_o2_plus_g2_plus_g1_plus_1_fp)
+ add %g1, 1, %g1
+ add %g2, %g1, %g2
+ ba,pt %xcc, __restore_fp
+ add %o2, %g2, %o0
+ENDPROC(U3_retl_o2_plus_g2_plus_g1_plus_1_fp)
+ENTRY(U3_retl_o2_plus_g2_fp)
+ ba,pt %xcc, __restore_fp
+ add %o2, %g2, %o0
+ENDPROC(U3_retl_o2_plus_g2_fp)
+ENTRY(U3_retl_o2_plus_g2_plus_8_fp)
+ add %g2, 8, %g2
+ ba,pt %xcc, __restore_fp
+ add %o2, %g2, %o0
+ENDPROC(U3_retl_o2_plus_g2_plus_8_fp)
+ENTRY(U3_retl_o2)
+ retl
+ mov %o2, %o0
+ENDPROC(U3_retl_o2)
+ENTRY(U3_retl_o2_plus_1)
+ retl
+ add %o2, 1, %o0
+ENDPROC(U3_retl_o2_plus_1)
+ENTRY(U3_retl_o2_plus_4)
+ retl
+ add %o2, 4, %o0
+ENDPROC(U3_retl_o2_plus_4)
+ENTRY(U3_retl_o2_plus_8)
+ retl
+ add %o2, 8, %o0
+ENDPROC(U3_retl_o2_plus_8)
+ENTRY(U3_retl_o2_plus_g1_plus_1)
+ add %g1, 1, %g1
+ retl
+ add %o2, %g1, %o0
+ENDPROC(U3_retl_o2_plus_g1_plus_1)
+ENTRY(U3_retl_o2_fp)
+ ba,pt %xcc, __restore_fp
+ mov %o2, %o0
+ENDPROC(U3_retl_o2_fp)
+ENTRY(U3_retl_o2_plus_o3_sll_6_plus_0x80_fp)
+ sll %o3, 6, %o3
+ add %o3, 0x80, %o3
+ ba,pt %xcc, __restore_fp
+ add %o2, %o3, %o0
+ENDPROC(U3_retl_o2_plus_o3_sll_6_plus_0x80_fp)
+ENTRY(U3_retl_o2_plus_o3_sll_6_plus_0x40_fp)
+ sll %o3, 6, %o3
+ add %o3, 0x40, %o3
+ ba,pt %xcc, __restore_fp
+ add %o2, %o3, %o0
+ENDPROC(U3_retl_o2_plus_o3_sll_6_plus_0x40_fp)
+ENTRY(U3_retl_o2_plus_GS_plus_0x10)
+ add GLOBAL_SPARE, 0x10, GLOBAL_SPARE
+ retl
+ add %o2, GLOBAL_SPARE, %o0
+ENDPROC(U3_retl_o2_plus_GS_plus_0x10)
+ENTRY(U3_retl_o2_plus_GS_plus_0x08)
+ add GLOBAL_SPARE, 0x08, GLOBAL_SPARE
+ retl
+ add %o2, GLOBAL_SPARE, %o0
+ENDPROC(U3_retl_o2_plus_GS_plus_0x08)
+ENTRY(U3_retl_o2_and_7_plus_GS)
+ and %o2, 7, %o2
+ retl
+ add %o2, GLOBAL_SPARE, %o2
+ENDPROC(U3_retl_o2_and_7_plus_GS)
+ENTRY(U3_retl_o2_and_7_plus_GS_plus_8)
+ add GLOBAL_SPARE, 8, GLOBAL_SPARE
+ and %o2, 7, %o2
+ retl
+ add %o2, GLOBAL_SPARE, %o2
+ENDPROC(U3_retl_o2_and_7_plus_GS_plus_8)
+#endif
+
.align 64
/* The cheetah's flexible spine, oversized liver, enlarged heart,
@@ -126,8 +204,8 @@
and %g2, 0x38, %g2
1: subcc %g1, 0x1, %g1
- EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3))
- EX_ST_FP(STORE(stb, %o3, %o1 + GLOBAL_SPARE))
+ EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3), U3_retl_o2_plus_g2_plus_g1_plus_1)
+ EX_ST_FP(STORE(stb, %o3, %o1 + GLOBAL_SPARE), U3_retl_o2_plus_g2_plus_g1_plus_1)
bgu,pt %XCC, 1b
add %o1, 0x1, %o1
@@ -138,20 +216,20 @@
be,pt %icc, 3f
alignaddr %o1, %g0, %o1
- EX_LD_FP(LOAD(ldd, %o1, %f4))
-1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6))
+ EX_LD_FP(LOAD(ldd, %o1, %f4), U3_retl_o2_plus_g2)
+1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6), U3_retl_o2_plus_g2)
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f4, %f6, %f0
- EX_ST_FP(STORE(std, %f0, %o0))
+ EX_ST_FP(STORE(std, %f0, %o0), U3_retl_o2_plus_g2_plus_8)
be,pn %icc, 3f
add %o0, 0x8, %o0
- EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4), U3_retl_o2_plus_g2)
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f6, %f4, %f2
- EX_ST_FP(STORE(std, %f2, %o0))
+ EX_ST_FP(STORE(std, %f2, %o0), U3_retl_o2_plus_g2_plus_8)
bne,pt %icc, 1b
add %o0, 0x8, %o0
@@ -161,25 +239,25 @@
LOAD(prefetch, %o1 + 0x080, #one_read)
LOAD(prefetch, %o1 + 0x0c0, #one_read)
LOAD(prefetch, %o1 + 0x100, #one_read)
- EX_LD_FP(LOAD(ldd, %o1 + 0x000, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x000, %f0), U3_retl_o2)
LOAD(prefetch, %o1 + 0x140, #one_read)
- EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2), U3_retl_o2)
LOAD(prefetch, %o1 + 0x180, #one_read)
- EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4), U3_retl_o2)
LOAD(prefetch, %o1 + 0x1c0, #one_read)
faligndata %f0, %f2, %f16
- EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6), U3_retl_o2)
faligndata %f2, %f4, %f18
- EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8), U3_retl_o2)
faligndata %f4, %f6, %f20
- EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10), U3_retl_o2)
faligndata %f6, %f8, %f22
- EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12), U3_retl_o2)
faligndata %f8, %f10, %f24
- EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14), U3_retl_o2)
faligndata %f10, %f12, %f26
- EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0), U3_retl_o2)
subcc GLOBAL_SPARE, 0x80, GLOBAL_SPARE
add %o1, 0x40, %o1
@@ -190,26 +268,26 @@
.align 64
1:
- EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2), U3_retl_o2_plus_o3_sll_6_plus_0x80)
faligndata %f12, %f14, %f28
- EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4), U3_retl_o2_plus_o3_sll_6_plus_0x80)
faligndata %f14, %f0, %f30
- EX_ST_FP(STORE_BLK(%f16, %o0))
- EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6))
+ EX_ST_FP(STORE_BLK(%f16, %o0), U3_retl_o2_plus_o3_sll_6_plus_0x80)
+ EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6), U3_retl_o2_plus_o3_sll_6_plus_0x40)
faligndata %f0, %f2, %f16
add %o0, 0x40, %o0
- EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8), U3_retl_o2_plus_o3_sll_6_plus_0x40)
faligndata %f2, %f4, %f18
- EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10), U3_retl_o2_plus_o3_sll_6_plus_0x40)
faligndata %f4, %f6, %f20
- EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12), U3_retl_o2_plus_o3_sll_6_plus_0x40)
subcc %o3, 0x01, %o3
faligndata %f6, %f8, %f22
- EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14), U3_retl_o2_plus_o3_sll_6_plus_0x80)
faligndata %f8, %f10, %f24
- EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0), U3_retl_o2_plus_o3_sll_6_plus_0x80)
LOAD(prefetch, %o1 + 0x1c0, #one_read)
faligndata %f10, %f12, %f26
bg,pt %XCC, 1b
@@ -217,29 +295,29 @@
/* Finally we copy the last full 64-byte block. */
2:
- EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2), U3_retl_o2_plus_o3_sll_6_plus_0x80)
faligndata %f12, %f14, %f28
- EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4), U3_retl_o2_plus_o3_sll_6_plus_0x80)
faligndata %f14, %f0, %f30
- EX_ST_FP(STORE_BLK(%f16, %o0))
- EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6))
+ EX_ST_FP(STORE_BLK(%f16, %o0), U3_retl_o2_plus_o3_sll_6_plus_0x80)
+ EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6), U3_retl_o2_plus_o3_sll_6_plus_0x40)
faligndata %f0, %f2, %f16
- EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8), U3_retl_o2_plus_o3_sll_6_plus_0x40)
faligndata %f2, %f4, %f18
- EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10), U3_retl_o2_plus_o3_sll_6_plus_0x40)
faligndata %f4, %f6, %f20
- EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12), U3_retl_o2_plus_o3_sll_6_plus_0x40)
faligndata %f6, %f8, %f22
- EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14), U3_retl_o2_plus_o3_sll_6_plus_0x40)
faligndata %f8, %f10, %f24
cmp %g1, 0
be,pt %XCC, 1f
add %o0, 0x40, %o0
- EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0), U3_retl_o2_plus_o3_sll_6_plus_0x40)
1: faligndata %f10, %f12, %f26
faligndata %f12, %f14, %f28
faligndata %f14, %f0, %f30
- EX_ST_FP(STORE_BLK(%f16, %o0))
+ EX_ST_FP(STORE_BLK(%f16, %o0), U3_retl_o2_plus_o3_sll_6_plus_0x40)
add %o0, 0x40, %o0
add %o1, 0x40, %o1
membar #Sync
@@ -259,20 +337,20 @@
sub %o2, %g2, %o2
be,a,pt %XCC, 1f
- EX_LD_FP(LOAD(ldd, %o1 + 0x00, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x00, %f0), U3_retl_o2_plus_g2)
-1: EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f2))
+1: EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f2), U3_retl_o2_plus_g2)
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f0, %f2, %f8
- EX_ST_FP(STORE(std, %f8, %o0))
+ EX_ST_FP(STORE(std, %f8, %o0), U3_retl_o2_plus_g2_plus_8)
be,pn %XCC, 2f
add %o0, 0x8, %o0
- EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f0))
+ EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f0), U3_retl_o2_plus_g2)
add %o1, 0x8, %o1
subcc %g2, 0x8, %g2
faligndata %f2, %f0, %f8
- EX_ST_FP(STORE(std, %f8, %o0))
+ EX_ST_FP(STORE(std, %f8, %o0), U3_retl_o2_plus_g2_plus_8)
bne,pn %XCC, 1b
add %o0, 0x8, %o0
@@ -292,30 +370,33 @@
andcc %o2, 0x8, %g0
be,pt %icc, 1f
nop
- EX_LD(LOAD(ldx, %o1, %o5))
- EX_ST(STORE(stx, %o5, %o1 + %o3))
+ EX_LD(LOAD(ldx, %o1, %o5), U3_retl_o2)
+ EX_ST(STORE(stx, %o5, %o1 + %o3), U3_retl_o2)
add %o1, 0x8, %o1
+ sub %o2, 8, %o2
1: andcc %o2, 0x4, %g0
be,pt %icc, 1f
nop
- EX_LD(LOAD(lduw, %o1, %o5))
- EX_ST(STORE(stw, %o5, %o1 + %o3))
+ EX_LD(LOAD(lduw, %o1, %o5), U3_retl_o2)
+ EX_ST(STORE(stw, %o5, %o1 + %o3), U3_retl_o2)
add %o1, 0x4, %o1
+ sub %o2, 4, %o2
1: andcc %o2, 0x2, %g0
be,pt %icc, 1f
nop
- EX_LD(LOAD(lduh, %o1, %o5))
- EX_ST(STORE(sth, %o5, %o1 + %o3))
+ EX_LD(LOAD(lduh, %o1, %o5), U3_retl_o2)
+ EX_ST(STORE(sth, %o5, %o1 + %o3), U3_retl_o2)
add %o1, 0x2, %o1
+ sub %o2, 2, %o2
1: andcc %o2, 0x1, %g0
be,pt %icc, 85f
nop
- EX_LD(LOAD(ldub, %o1, %o5))
+ EX_LD(LOAD(ldub, %o1, %o5), U3_retl_o2)
ba,pt %xcc, 85f
- EX_ST(STORE(stb, %o5, %o1 + %o3))
+ EX_ST(STORE(stb, %o5, %o1 + %o3), U3_retl_o2)
.align 64
70: /* 16 < len <= 64 */
@@ -326,26 +407,26 @@
andn %o2, 0xf, GLOBAL_SPARE
and %o2, 0xf, %o2
1: subcc GLOBAL_SPARE, 0x10, GLOBAL_SPARE
- EX_LD(LOAD(ldx, %o1 + 0x00, %o5))
- EX_LD(LOAD(ldx, %o1 + 0x08, %g1))
- EX_ST(STORE(stx, %o5, %o1 + %o3))
+ EX_LD(LOAD(ldx, %o1 + 0x00, %o5), U3_retl_o2_plus_GS_plus_0x10)
+ EX_LD(LOAD(ldx, %o1 + 0x08, %g1), U3_retl_o2_plus_GS_plus_0x10)
+ EX_ST(STORE(stx, %o5, %o1 + %o3), U3_retl_o2_plus_GS_plus_0x10)
add %o1, 0x8, %o1
- EX_ST(STORE(stx, %g1, %o1 + %o3))
+ EX_ST(STORE(stx, %g1, %o1 + %o3), U3_retl_o2_plus_GS_plus_0x08)
bgu,pt %XCC, 1b
add %o1, 0x8, %o1
73: andcc %o2, 0x8, %g0
be,pt %XCC, 1f
nop
sub %o2, 0x8, %o2
- EX_LD(LOAD(ldx, %o1, %o5))
- EX_ST(STORE(stx, %o5, %o1 + %o3))
+ EX_LD(LOAD(ldx, %o1, %o5), U3_retl_o2_plus_8)
+ EX_ST(STORE(stx, %o5, %o1 + %o3), U3_retl_o2_plus_8)
add %o1, 0x8, %o1
1: andcc %o2, 0x4, %g0
be,pt %XCC, 1f
nop
sub %o2, 0x4, %o2
- EX_LD(LOAD(lduw, %o1, %o5))
- EX_ST(STORE(stw, %o5, %o1 + %o3))
+ EX_LD(LOAD(lduw, %o1, %o5), U3_retl_o2_plus_4)
+ EX_ST(STORE(stw, %o5, %o1 + %o3), U3_retl_o2_plus_4)
add %o1, 0x4, %o1
1: cmp %o2, 0
be,pt %XCC, 85f
@@ -361,8 +442,8 @@
sub %o2, %g1, %o2
1: subcc %g1, 1, %g1
- EX_LD(LOAD(ldub, %o1, %o5))
- EX_ST(STORE(stb, %o5, %o1 + %o3))
+ EX_LD(LOAD(ldub, %o1, %o5), U3_retl_o2_plus_g1_plus_1)
+ EX_ST(STORE(stb, %o5, %o1 + %o3), U3_retl_o2_plus_g1_plus_1)
bgu,pt %icc, 1b
add %o1, 1, %o1
@@ -378,16 +459,16 @@
8: mov 64, %o3
andn %o1, 0x7, %o1
- EX_LD(LOAD(ldx, %o1, %g2))
+ EX_LD(LOAD(ldx, %o1, %g2), U3_retl_o2)
sub %o3, %g1, %o3
andn %o2, 0x7, GLOBAL_SPARE
sllx %g2, %g1, %g2
-1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3))
+1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3), U3_retl_o2_and_7_plus_GS)
subcc GLOBAL_SPARE, 0x8, GLOBAL_SPARE
add %o1, 0x8, %o1
srlx %g3, %o3, %o5
or %o5, %g2, %o5
- EX_ST(STORE(stx, %o5, %o0))
+ EX_ST(STORE(stx, %o5, %o0), U3_retl_o2_and_7_plus_GS_plus_8)
add %o0, 0x8, %o0
bgu,pt %icc, 1b
sllx %g3, %g1, %g2
@@ -407,8 +488,8 @@
1:
subcc %o2, 4, %o2
- EX_LD(LOAD(lduw, %o1, %g1))
- EX_ST(STORE(stw, %g1, %o1 + %o3))
+ EX_LD(LOAD(lduw, %o1, %g1), U3_retl_o2_plus_4)
+ EX_ST(STORE(stw, %g1, %o1 + %o3), U3_retl_o2_plus_4)
bgu,pt %XCC, 1b
add %o1, 4, %o1
@@ -418,8 +499,8 @@
.align 32
90:
subcc %o2, 1, %o2
- EX_LD(LOAD(ldub, %o1, %g1))
- EX_ST(STORE(stb, %g1, %o1 + %o3))
+ EX_LD(LOAD(ldub, %o1, %g1), U3_retl_o2_plus_1)
+ EX_ST(STORE(stb, %g1, %o1 + %o3), U3_retl_o2_plus_1)
bgu,pt %XCC, 90b
add %o1, 1, %o1
retl
diff --git a/arch/sparc/lib/copy_in_user.S b/arch/sparc/lib/copy_in_user.S
index 302c0e6..4c89b48 100644
--- a/arch/sparc/lib/copy_in_user.S
+++ b/arch/sparc/lib/copy_in_user.S
@@ -8,18 +8,33 @@
#define XCC xcc
-#define EX(x,y) \
+#define EX(x,y,z) \
98: x,y; \
.section __ex_table,"a";\
.align 4; \
- .word 98b, __retl_one; \
+ .word 98b, z; \
.text; \
.align 4;
+#define EX_O4(x,y) EX(x,y,__retl_o4_plus_8)
+#define EX_O2_4(x,y) EX(x,y,__retl_o2_plus_4)
+#define EX_O2_1(x,y) EX(x,y,__retl_o2_plus_1)
+
.register %g2,#scratch
.register %g3,#scratch
.text
+__retl_o4_plus_8:
+ add %o4, %o2, %o4
+ retl
+ add %o4, 8, %o0
+__retl_o2_plus_4:
+ retl
+ add %o2, 4, %o0
+__retl_o2_plus_1:
+ retl
+ add %o2, 1, %o0
+
.align 32
/* Don't try to get too fancy here, just nice and
@@ -44,8 +59,8 @@
andn %o2, 0x7, %o4
and %o2, 0x7, %o2
1: subcc %o4, 0x8, %o4
- EX(ldxa [%o1] %asi, %o5)
- EX(stxa %o5, [%o0] %asi)
+ EX_O4(ldxa [%o1] %asi, %o5)
+ EX_O4(stxa %o5, [%o0] %asi)
add %o1, 0x8, %o1
bgu,pt %XCC, 1b
add %o0, 0x8, %o0
@@ -53,8 +68,8 @@
be,pt %XCC, 1f
nop
sub %o2, 0x4, %o2
- EX(lduwa [%o1] %asi, %o5)
- EX(stwa %o5, [%o0] %asi)
+ EX_O2_4(lduwa [%o1] %asi, %o5)
+ EX_O2_4(stwa %o5, [%o0] %asi)
add %o1, 0x4, %o1
add %o0, 0x4, %o0
1: cmp %o2, 0
@@ -70,8 +85,8 @@
82:
subcc %o2, 4, %o2
- EX(lduwa [%o1] %asi, %g1)
- EX(stwa %g1, [%o0] %asi)
+ EX_O2_4(lduwa [%o1] %asi, %g1)
+ EX_O2_4(stwa %g1, [%o0] %asi)
add %o1, 4, %o1
bgu,pt %XCC, 82b
add %o0, 4, %o0
@@ -82,8 +97,8 @@
.align 32
90:
subcc %o2, 1, %o2
- EX(lduba [%o1] %asi, %g1)
- EX(stba %g1, [%o0] %asi)
+ EX_O2_1(lduba [%o1] %asi, %g1)
+ EX_O2_1(stba %g1, [%o0] %asi)
add %o1, 1, %o1
bgu,pt %XCC, 90b
add %o0, 1, %o0
diff --git a/arch/sparc/lib/user_fixup.c b/arch/sparc/lib/user_fixup.c
deleted file mode 100644
index ac96ae2..0000000
--- a/arch/sparc/lib/user_fixup.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/* user_fixup.c: Fix up user copy faults.
- *
- * Copyright (C) 2004 David S. Miller <davem@redhat.com>
- */
-
-#include <linux/compiler.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/module.h>
-
-#include <asm/uaccess.h>
-
-/* Calculating the exact fault address when using
- * block loads and stores can be very complicated.
- *
- * Instead of trying to be clever and handling all
- * of the cases, just fix things up simply here.
- */
-
-static unsigned long compute_size(unsigned long start, unsigned long size, unsigned long *offset)
-{
- unsigned long fault_addr = current_thread_info()->fault_address;
- unsigned long end = start + size;
-
- if (fault_addr < start || fault_addr >= end) {
- *offset = 0;
- } else {
- *offset = fault_addr - start;
- size = end - fault_addr;
- }
- return size;
-}
-
-unsigned long copy_from_user_fixup(void *to, const void __user *from, unsigned long size)
-{
- unsigned long offset;
-
- size = compute_size((unsigned long) from, size, &offset);
- if (likely(size))
- memset(to + offset, 0, size);
-
- return size;
-}
-EXPORT_SYMBOL(copy_from_user_fixup);
-
-unsigned long copy_to_user_fixup(void __user *to, const void *from, unsigned long size)
-{
- unsigned long offset;
-
- return compute_size((unsigned long) to, size, &offset);
-}
-EXPORT_SYMBOL(copy_to_user_fixup);
-
-unsigned long copy_in_user_fixup(void __user *to, void __user *from, unsigned long size)
-{
- unsigned long fault_addr = current_thread_info()->fault_address;
- unsigned long start = (unsigned long) to;
- unsigned long end = start + size;
-
- if (fault_addr >= start && fault_addr < end)
- return end - fault_addr;
-
- start = (unsigned long) from;
- end = start + size;
- if (fault_addr >= start && fault_addr < end)
- return end - fault_addr;
-
- return size;
-}
-EXPORT_SYMBOL(copy_in_user_fixup);
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index dbabe57..e15f337 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -479,14 +479,14 @@
up_read(&mm->mmap_sem);
mm_rss = get_mm_rss(mm);
-#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
- mm_rss -= (mm->context.huge_pte_count * (HPAGE_SIZE / PAGE_SIZE));
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE)
+ mm_rss -= (mm->context.thp_pte_count * (HPAGE_SIZE / PAGE_SIZE));
#endif
if (unlikely(mm_rss >
mm->context.tsb_block[MM_TSB_BASE].tsb_rss_limit))
tsb_grow(mm, MM_TSB_BASE, mm_rss);
#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
- mm_rss = mm->context.huge_pte_count;
+ mm_rss = mm->context.hugetlb_pte_count + mm->context.thp_pte_count;
if (unlikely(mm_rss >
mm->context.tsb_block[MM_TSB_HUGE].tsb_rss_limit)) {
if (mm->context.tsb_block[MM_TSB_HUGE].tsb)
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index 364d093..da11424 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -180,7 +180,7 @@
unsigned long nptes;
if (!pte_present(*ptep) && pte_present(entry))
- mm->context.huge_pte_count++;
+ mm->context.hugetlb_pte_count++;
addr &= HPAGE_MASK;
@@ -212,7 +212,7 @@
entry = *ptep;
if (pte_present(entry))
- mm->context.huge_pte_count--;
+ mm->context.hugetlb_pte_count--;
addr &= HPAGE_MASK;
nptes = 1 << HUGETLB_PAGE_ORDER;
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 3c4b897..3d3414c 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -346,7 +346,8 @@
spin_lock_irqsave(&mm->context.lock, flags);
#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
- if (mm->context.huge_pte_count && is_hugetlb_pte(pte))
+ if ((mm->context.hugetlb_pte_count || mm->context.thp_pte_count) &&
+ is_hugetlb_pte(pte))
__update_mmu_tsb_insert(mm, MM_TSB_HUGE, REAL_HPAGE_SHIFT,
address, pte_val(pte));
else
@@ -799,8 +800,10 @@
};
static struct mdesc_mblock *mblocks;
static int num_mblocks;
+static int find_numa_node_for_addr(unsigned long pa,
+ struct node_mem_mask *pnode_mask);
-static unsigned long ra_to_pa(unsigned long addr)
+static unsigned long __init ra_to_pa(unsigned long addr)
{
int i;
@@ -816,8 +819,11 @@
return addr;
}
-static int find_node(unsigned long addr)
+static int __init find_node(unsigned long addr)
{
+ static bool search_mdesc = true;
+ static struct node_mem_mask last_mem_mask = { ~0UL, ~0UL };
+ static int last_index;
int i;
addr = ra_to_pa(addr);
@@ -827,13 +833,30 @@
if ((addr & p->mask) == p->val)
return i;
}
- /* The following condition has been observed on LDOM guests.*/
- WARN_ONCE(1, "find_node: A physical address doesn't match a NUMA node"
- " rule. Some physical memory will be owned by node 0.");
- return 0;
+ /* The following condition has been observed on LDOM guests because
+ * node_masks only contains the best latency mask and value.
+ * LDOM guest's mdesc can contain a single latency group to
+ * cover multiple address range. Print warning message only if the
+ * address cannot be found in node_masks nor mdesc.
+ */
+ if ((search_mdesc) &&
+ ((addr & last_mem_mask.mask) != last_mem_mask.val)) {
+ /* find the available node in the mdesc */
+ last_index = find_numa_node_for_addr(addr, &last_mem_mask);
+ numadbg("find_node: latency group for address 0x%lx is %d\n",
+ addr, last_index);
+ if ((last_index < 0) || (last_index >= num_node_masks)) {
+ /* WARN_ONCE() and use default group 0 */
+ WARN_ONCE(1, "find_node: A physical address doesn't match a NUMA node rule. Some physical memory will be owned by node 0.");
+ search_mdesc = false;
+ last_index = 0;
+ }
+ }
+
+ return last_index;
}
-static u64 memblock_nid_range(u64 start, u64 end, int *nid)
+static u64 __init memblock_nid_range(u64 start, u64 end, int *nid)
{
*nid = find_node(start);
start += PAGE_SIZE;
@@ -1157,6 +1180,41 @@
return numa_latency[from][to];
}
+static int find_numa_node_for_addr(unsigned long pa,
+ struct node_mem_mask *pnode_mask)
+{
+ struct mdesc_handle *md = mdesc_grab();
+ u64 node, arc;
+ int i = 0;
+
+ node = mdesc_node_by_name(md, MDESC_NODE_NULL, "latency-groups");
+ if (node == MDESC_NODE_NULL)
+ goto out;
+
+ mdesc_for_each_node_by_name(md, node, "group") {
+ mdesc_for_each_arc(arc, md, node, MDESC_ARC_TYPE_FWD) {
+ u64 target = mdesc_arc_target(md, arc);
+ struct mdesc_mlgroup *m = find_mlgroup(target);
+
+ if (!m)
+ continue;
+ if ((pa & m->mask) == m->match) {
+ if (pnode_mask) {
+ pnode_mask->mask = m->mask;
+ pnode_mask->val = m->match;
+ }
+ mdesc_release(md);
+ return i;
+ }
+ }
+ i++;
+ }
+
+out:
+ mdesc_release(md);
+ return -1;
+}
+
static int find_best_numa_node_for_mlgroup(struct mdesc_mlgroup *grp)
{
int i;
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c
index f81cd97..3659d37 100644
--- a/arch/sparc/mm/tlb.c
+++ b/arch/sparc/mm/tlb.c
@@ -175,9 +175,9 @@
if ((pmd_val(pmd) ^ pmd_val(orig)) & _PAGE_PMD_HUGE) {
if (pmd_val(pmd) & _PAGE_PMD_HUGE)
- mm->context.huge_pte_count++;
+ mm->context.thp_pte_count++;
else
- mm->context.huge_pte_count--;
+ mm->context.thp_pte_count--;
/* Do not try to allocate the TSB hash table if we
* don't have one already. We have various locks held
diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c
index a0604a4..9cdeca0 100644
--- a/arch/sparc/mm/tsb.c
+++ b/arch/sparc/mm/tsb.c
@@ -27,6 +27,20 @@
return (tag == (vaddr >> 22));
}
+static void flush_tsb_kernel_range_scan(unsigned long start, unsigned long end)
+{
+ unsigned long idx;
+
+ for (idx = 0; idx < KERNEL_TSB_NENTRIES; idx++) {
+ struct tsb *ent = &swapper_tsb[idx];
+ unsigned long match = idx << 13;
+
+ match |= (ent->tag << 22);
+ if (match >= start && match < end)
+ ent->tag = (1UL << TSB_TAG_INVALID_BIT);
+ }
+}
+
/* TSB flushes need only occur on the processor initiating the address
* space modification, not on each cpu the address space has run on.
* Only the TLB flush needs that treatment.
@@ -36,6 +50,9 @@
{
unsigned long v;
+ if ((end - start) >> PAGE_SHIFT >= 2 * KERNEL_TSB_NENTRIES)
+ return flush_tsb_kernel_range_scan(start, end);
+
for (v = start; v < end; v += PAGE_SIZE) {
unsigned long hash = tsb_hash(v, PAGE_SHIFT,
KERNEL_TSB_NENTRIES);
@@ -470,7 +487,7 @@
int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{
#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
- unsigned long huge_pte_count;
+ unsigned long total_huge_pte_count;
#endif
unsigned int i;
@@ -479,12 +496,14 @@
mm->context.sparc64_ctx_val = 0UL;
#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
- /* We reset it to zero because the fork() page copying
+ /* We reset them to zero because the fork() page copying
* will re-increment the counters as the parent PTEs are
* copied into the child address space.
*/
- huge_pte_count = mm->context.huge_pte_count;
- mm->context.huge_pte_count = 0;
+ total_huge_pte_count = mm->context.hugetlb_pte_count +
+ mm->context.thp_pte_count;
+ mm->context.hugetlb_pte_count = 0;
+ mm->context.thp_pte_count = 0;
#endif
/* copy_mm() copies over the parent's mm_struct before calling
@@ -500,8 +519,8 @@
tsb_grow(mm, MM_TSB_BASE, get_mm_rss(mm));
#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
- if (unlikely(huge_pte_count))
- tsb_grow(mm, MM_TSB_HUGE, huge_pte_count);
+ if (unlikely(total_huge_pte_count))
+ tsb_grow(mm, MM_TSB_HUGE, total_huge_pte_count);
#endif
if (unlikely(!mm->context.tsb_block[MM_TSB_BASE].tsb))
diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S
index b4f4733..5d2fd6c 100644
--- a/arch/sparc/mm/ultra.S
+++ b/arch/sparc/mm/ultra.S
@@ -30,7 +30,7 @@
.text
.align 32
.globl __flush_tlb_mm
-__flush_tlb_mm: /* 18 insns */
+__flush_tlb_mm: /* 19 insns */
/* %o0=(ctx & TAG_CONTEXT_BITS), %o1=SECONDARY_CONTEXT */
ldxa [%o1] ASI_DMMU, %g2
cmp %g2, %o0
@@ -81,7 +81,7 @@
.align 32
.globl __flush_tlb_pending
-__flush_tlb_pending: /* 26 insns */
+__flush_tlb_pending: /* 27 insns */
/* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
rdpr %pstate, %g7
sllx %o1, 3, %o1
@@ -113,12 +113,14 @@
.align 32
.globl __flush_tlb_kernel_range
-__flush_tlb_kernel_range: /* 16 insns */
+__flush_tlb_kernel_range: /* 31 insns */
/* %o0=start, %o1=end */
cmp %o0, %o1
be,pn %xcc, 2f
+ sub %o1, %o0, %o3
+ srlx %o3, 18, %o4
+ brnz,pn %o4, __spitfire_flush_tlb_kernel_range_slow
sethi %hi(PAGE_SIZE), %o4
- sub %o1, %o0, %o3
sub %o3, %o4, %o3
or %o0, 0x20, %o0 ! Nucleus
1: stxa %g0, [%o0 + %o3] ASI_DMMU_DEMAP
@@ -131,6 +133,41 @@
retl
nop
nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+
+__spitfire_flush_tlb_kernel_range_slow:
+ mov 63 * 8, %o4
+1: ldxa [%o4] ASI_ITLB_DATA_ACCESS, %o3
+ andcc %o3, 0x40, %g0 /* _PAGE_L_4U */
+ bne,pn %xcc, 2f
+ mov TLB_TAG_ACCESS, %o3
+ stxa %g0, [%o3] ASI_IMMU
+ stxa %g0, [%o4] ASI_ITLB_DATA_ACCESS
+ membar #Sync
+2: ldxa [%o4] ASI_DTLB_DATA_ACCESS, %o3
+ andcc %o3, 0x40, %g0
+ bne,pn %xcc, 2f
+ mov TLB_TAG_ACCESS, %o3
+ stxa %g0, [%o3] ASI_DMMU
+ stxa %g0, [%o4] ASI_DTLB_DATA_ACCESS
+ membar #Sync
+2: sub %o4, 8, %o4
+ brgez,pt %o4, 1b
+ nop
+ retl
+ nop
__spitfire_flush_tlb_mm_slow:
rdpr %pstate, %g1
@@ -285,6 +322,40 @@
retl
wrpr %g7, 0x0, %pstate
+__cheetah_flush_tlb_kernel_range: /* 31 insns */
+ /* %o0=start, %o1=end */
+ cmp %o0, %o1
+ be,pn %xcc, 2f
+ sub %o1, %o0, %o3
+ srlx %o3, 18, %o4
+ brnz,pn %o4, 3f
+ sethi %hi(PAGE_SIZE), %o4
+ sub %o3, %o4, %o3
+ or %o0, 0x20, %o0 ! Nucleus
+1: stxa %g0, [%o0 + %o3] ASI_DMMU_DEMAP
+ stxa %g0, [%o0 + %o3] ASI_IMMU_DEMAP
+ membar #Sync
+ brnz,pt %o3, 1b
+ sub %o3, %o4, %o3
+2: sethi %hi(KERNBASE), %o3
+ flush %o3
+ retl
+ nop
+3: mov 0x80, %o4
+ stxa %g0, [%o4] ASI_DMMU_DEMAP
+ membar #Sync
+ stxa %g0, [%o4] ASI_IMMU_DEMAP
+ membar #Sync
+ retl
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+
#ifdef DCACHE_ALIASING_POSSIBLE
__cheetah_flush_dcache_page: /* 11 insns */
sethi %hi(PAGE_OFFSET), %g1
@@ -309,19 +380,28 @@
ret
restore
-__hypervisor_flush_tlb_mm: /* 10 insns */
+__hypervisor_flush_tlb_mm: /* 19 insns */
mov %o0, %o2 /* ARG2: mmu context */
mov 0, %o0 /* ARG0: CPU lists unimplemented */
mov 0, %o1 /* ARG1: CPU lists unimplemented */
mov HV_MMU_ALL, %o3 /* ARG3: flags */
mov HV_FAST_MMU_DEMAP_CTX, %o5
ta HV_FAST_TRAP
- brnz,pn %o0, __hypervisor_tlb_tl0_error
+ brnz,pn %o0, 1f
mov HV_FAST_MMU_DEMAP_CTX, %o1
retl
nop
+1: sethi %hi(__hypervisor_tlb_tl0_error), %o5
+ jmpl %o5 + %lo(__hypervisor_tlb_tl0_error), %g0
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
-__hypervisor_flush_tlb_page: /* 11 insns */
+__hypervisor_flush_tlb_page: /* 22 insns */
/* %o0 = context, %o1 = vaddr */
mov %o0, %g2
mov %o1, %o0 /* ARG0: vaddr + IMMU-bit */
@@ -330,12 +410,23 @@
srlx %o0, PAGE_SHIFT, %o0
sllx %o0, PAGE_SHIFT, %o0
ta HV_MMU_UNMAP_ADDR_TRAP
- brnz,pn %o0, __hypervisor_tlb_tl0_error
+ brnz,pn %o0, 1f
mov HV_MMU_UNMAP_ADDR_TRAP, %o1
retl
nop
+1: sethi %hi(__hypervisor_tlb_tl0_error), %o2
+ jmpl %o2 + %lo(__hypervisor_tlb_tl0_error), %g0
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
-__hypervisor_flush_tlb_pending: /* 16 insns */
+__hypervisor_flush_tlb_pending: /* 27 insns */
/* %o0 = context, %o1 = nr, %o2 = vaddrs[] */
sllx %o1, 3, %g1
mov %o2, %g2
@@ -347,31 +438,57 @@
srlx %o0, PAGE_SHIFT, %o0
sllx %o0, PAGE_SHIFT, %o0
ta HV_MMU_UNMAP_ADDR_TRAP
- brnz,pn %o0, __hypervisor_tlb_tl0_error
+ brnz,pn %o0, 1f
mov HV_MMU_UNMAP_ADDR_TRAP, %o1
brnz,pt %g1, 1b
nop
retl
nop
+1: sethi %hi(__hypervisor_tlb_tl0_error), %o2
+ jmpl %o2 + %lo(__hypervisor_tlb_tl0_error), %g0
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
-__hypervisor_flush_tlb_kernel_range: /* 16 insns */
+__hypervisor_flush_tlb_kernel_range: /* 31 insns */
/* %o0=start, %o1=end */
cmp %o0, %o1
be,pn %xcc, 2f
- sethi %hi(PAGE_SIZE), %g3
- mov %o0, %g1
- sub %o1, %g1, %g2
+ sub %o1, %o0, %g2
+ srlx %g2, 18, %g3
+ brnz,pn %g3, 4f
+ mov %o0, %g1
+ sethi %hi(PAGE_SIZE), %g3
sub %g2, %g3, %g2
1: add %g1, %g2, %o0 /* ARG0: virtual address */
mov 0, %o1 /* ARG1: mmu context */
mov HV_MMU_ALL, %o2 /* ARG2: flags */
ta HV_MMU_UNMAP_ADDR_TRAP
- brnz,pn %o0, __hypervisor_tlb_tl0_error
+ brnz,pn %o0, 3f
mov HV_MMU_UNMAP_ADDR_TRAP, %o1
brnz,pt %g2, 1b
sub %g2, %g3, %g2
2: retl
nop
+3: sethi %hi(__hypervisor_tlb_tl0_error), %o2
+ jmpl %o2 + %lo(__hypervisor_tlb_tl0_error), %g0
+ nop
+4: mov 0, %o0 /* ARG0: CPU lists unimplemented */
+ mov 0, %o1 /* ARG1: CPU lists unimplemented */
+ mov 0, %o2 /* ARG2: mmu context == nucleus */
+ mov HV_MMU_ALL, %o3 /* ARG3: flags */
+ mov HV_FAST_MMU_DEMAP_CTX, %o5
+ ta HV_FAST_TRAP
+ brnz,pn %o0, 3b
+ mov HV_FAST_MMU_DEMAP_CTX, %o1
+ retl
+ nop
#ifdef DCACHE_ALIASING_POSSIBLE
/* XXX Niagara and friends have an 8K cache, so no aliasing is
@@ -394,43 +511,6 @@
retl
nop
- .globl cheetah_patch_cachetlbops
-cheetah_patch_cachetlbops:
- save %sp, -128, %sp
-
- sethi %hi(__flush_tlb_mm), %o0
- or %o0, %lo(__flush_tlb_mm), %o0
- sethi %hi(__cheetah_flush_tlb_mm), %o1
- or %o1, %lo(__cheetah_flush_tlb_mm), %o1
- call tlb_patch_one
- mov 19, %o2
-
- sethi %hi(__flush_tlb_page), %o0
- or %o0, %lo(__flush_tlb_page), %o0
- sethi %hi(__cheetah_flush_tlb_page), %o1
- or %o1, %lo(__cheetah_flush_tlb_page), %o1
- call tlb_patch_one
- mov 22, %o2
-
- sethi %hi(__flush_tlb_pending), %o0
- or %o0, %lo(__flush_tlb_pending), %o0
- sethi %hi(__cheetah_flush_tlb_pending), %o1
- or %o1, %lo(__cheetah_flush_tlb_pending), %o1
- call tlb_patch_one
- mov 27, %o2
-
-#ifdef DCACHE_ALIASING_POSSIBLE
- sethi %hi(__flush_dcache_page), %o0
- or %o0, %lo(__flush_dcache_page), %o0
- sethi %hi(__cheetah_flush_dcache_page), %o1
- or %o1, %lo(__cheetah_flush_dcache_page), %o1
- call tlb_patch_one
- mov 11, %o2
-#endif /* DCACHE_ALIASING_POSSIBLE */
-
- ret
- restore
-
#ifdef CONFIG_SMP
/* These are all called by the slaves of a cross call, at
* trap level 1, with interrupts fully disabled.
@@ -447,7 +527,7 @@
*/
.align 32
.globl xcall_flush_tlb_mm
-xcall_flush_tlb_mm: /* 21 insns */
+xcall_flush_tlb_mm: /* 24 insns */
mov PRIMARY_CONTEXT, %g2
ldxa [%g2] ASI_DMMU, %g3
srlx %g3, CTX_PGSZ1_NUC_SHIFT, %g4
@@ -469,9 +549,12 @@
nop
nop
nop
+ nop
+ nop
+ nop
.globl xcall_flush_tlb_page
-xcall_flush_tlb_page: /* 17 insns */
+xcall_flush_tlb_page: /* 20 insns */
/* %g5=context, %g1=vaddr */
mov PRIMARY_CONTEXT, %g4
ldxa [%g4] ASI_DMMU, %g2
@@ -490,15 +573,20 @@
retry
nop
nop
+ nop
+ nop
+ nop
.globl xcall_flush_tlb_kernel_range
-xcall_flush_tlb_kernel_range: /* 25 insns */
+xcall_flush_tlb_kernel_range: /* 44 insns */
sethi %hi(PAGE_SIZE - 1), %g2
or %g2, %lo(PAGE_SIZE - 1), %g2
andn %g1, %g2, %g1
andn %g7, %g2, %g7
sub %g7, %g1, %g3
- add %g2, 1, %g2
+ srlx %g3, 18, %g2
+ brnz,pn %g2, 2f
+ add %g2, 1, %g2
sub %g3, %g2, %g3
or %g1, 0x20, %g1 ! Nucleus
1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP
@@ -507,8 +595,25 @@
brnz,pt %g3, 1b
sub %g3, %g2, %g3
retry
- nop
- nop
+2: mov 63 * 8, %g1
+1: ldxa [%g1] ASI_ITLB_DATA_ACCESS, %g2
+ andcc %g2, 0x40, %g0 /* _PAGE_L_4U */
+ bne,pn %xcc, 2f
+ mov TLB_TAG_ACCESS, %g2
+ stxa %g0, [%g2] ASI_IMMU
+ stxa %g0, [%g1] ASI_ITLB_DATA_ACCESS
+ membar #Sync
+2: ldxa [%g1] ASI_DTLB_DATA_ACCESS, %g2
+ andcc %g2, 0x40, %g0
+ bne,pn %xcc, 2f
+ mov TLB_TAG_ACCESS, %g2
+ stxa %g0, [%g2] ASI_DMMU
+ stxa %g0, [%g1] ASI_DTLB_DATA_ACCESS
+ membar #Sync
+2: sub %g1, 8, %g1
+ brgez,pt %g1, 1b
+ nop
+ retry
nop
nop
nop
@@ -637,6 +742,52 @@
retry
+__cheetah_xcall_flush_tlb_kernel_range: /* 44 insns */
+ sethi %hi(PAGE_SIZE - 1), %g2
+ or %g2, %lo(PAGE_SIZE - 1), %g2
+ andn %g1, %g2, %g1
+ andn %g7, %g2, %g7
+ sub %g7, %g1, %g3
+ srlx %g3, 18, %g2
+ brnz,pn %g2, 2f
+ add %g2, 1, %g2
+ sub %g3, %g2, %g3
+ or %g1, 0x20, %g1 ! Nucleus
+1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP
+ stxa %g0, [%g1 + %g3] ASI_IMMU_DEMAP
+ membar #Sync
+ brnz,pt %g3, 1b
+ sub %g3, %g2, %g3
+ retry
+2: mov 0x80, %g2
+ stxa %g0, [%g2] ASI_DMMU_DEMAP
+ membar #Sync
+ stxa %g0, [%g2] ASI_IMMU_DEMAP
+ membar #Sync
+ retry
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+
#ifdef DCACHE_ALIASING_POSSIBLE
.align 32
.globl xcall_flush_dcache_page_cheetah
@@ -700,7 +851,7 @@
ba,a,pt %xcc, rtrap
.globl __hypervisor_xcall_flush_tlb_mm
-__hypervisor_xcall_flush_tlb_mm: /* 21 insns */
+__hypervisor_xcall_flush_tlb_mm: /* 24 insns */
/* %g5=ctx, g1,g2,g3,g4,g7=scratch, %g6=unusable */
mov %o0, %g2
mov %o1, %g3
@@ -714,7 +865,7 @@
mov HV_FAST_MMU_DEMAP_CTX, %o5
ta HV_FAST_TRAP
mov HV_FAST_MMU_DEMAP_CTX, %g6
- brnz,pn %o0, __hypervisor_tlb_xcall_error
+ brnz,pn %o0, 1f
mov %o0, %g5
mov %g2, %o0
mov %g3, %o1
@@ -723,9 +874,12 @@
mov %g7, %o5
membar #Sync
retry
+1: sethi %hi(__hypervisor_tlb_xcall_error), %g4
+ jmpl %g4 + %lo(__hypervisor_tlb_xcall_error), %g0
+ nop
.globl __hypervisor_xcall_flush_tlb_page
-__hypervisor_xcall_flush_tlb_page: /* 17 insns */
+__hypervisor_xcall_flush_tlb_page: /* 20 insns */
/* %g5=ctx, %g1=vaddr */
mov %o0, %g2
mov %o1, %g3
@@ -737,42 +891,64 @@
sllx %o0, PAGE_SHIFT, %o0
ta HV_MMU_UNMAP_ADDR_TRAP
mov HV_MMU_UNMAP_ADDR_TRAP, %g6
- brnz,a,pn %o0, __hypervisor_tlb_xcall_error
+ brnz,a,pn %o0, 1f
mov %o0, %g5
mov %g2, %o0
mov %g3, %o1
mov %g4, %o2
membar #Sync
retry
+1: sethi %hi(__hypervisor_tlb_xcall_error), %g4
+ jmpl %g4 + %lo(__hypervisor_tlb_xcall_error), %g0
+ nop
.globl __hypervisor_xcall_flush_tlb_kernel_range
-__hypervisor_xcall_flush_tlb_kernel_range: /* 25 insns */
+__hypervisor_xcall_flush_tlb_kernel_range: /* 44 insns */
/* %g1=start, %g7=end, g2,g3,g4,g5,g6=scratch */
sethi %hi(PAGE_SIZE - 1), %g2
or %g2, %lo(PAGE_SIZE - 1), %g2
andn %g1, %g2, %g1
andn %g7, %g2, %g7
sub %g7, %g1, %g3
+ srlx %g3, 18, %g7
add %g2, 1, %g2
sub %g3, %g2, %g3
mov %o0, %g2
mov %o1, %g4
- mov %o2, %g7
+ brnz,pn %g7, 2f
+ mov %o2, %g7
1: add %g1, %g3, %o0 /* ARG0: virtual address */
mov 0, %o1 /* ARG1: mmu context */
mov HV_MMU_ALL, %o2 /* ARG2: flags */
ta HV_MMU_UNMAP_ADDR_TRAP
mov HV_MMU_UNMAP_ADDR_TRAP, %g6
- brnz,pn %o0, __hypervisor_tlb_xcall_error
+ brnz,pn %o0, 1f
mov %o0, %g5
sethi %hi(PAGE_SIZE), %o2
brnz,pt %g3, 1b
sub %g3, %o2, %g3
- mov %g2, %o0
+5: mov %g2, %o0
mov %g4, %o1
mov %g7, %o2
membar #Sync
retry
+1: sethi %hi(__hypervisor_tlb_xcall_error), %g4
+ jmpl %g4 + %lo(__hypervisor_tlb_xcall_error), %g0
+ nop
+2: mov %o3, %g1
+ mov %o5, %g3
+ mov 0, %o0 /* ARG0: CPU lists unimplemented */
+ mov 0, %o1 /* ARG1: CPU lists unimplemented */
+ mov 0, %o2 /* ARG2: mmu context == nucleus */
+ mov HV_MMU_ALL, %o3 /* ARG3: flags */
+ mov HV_FAST_MMU_DEMAP_CTX, %o5
+ ta HV_FAST_TRAP
+ mov %g1, %o3
+ brz,pt %o0, 5b
+ mov %g3, %o5
+ mov HV_FAST_MMU_DEMAP_CTX, %g6
+ ba,pt %xcc, 1b
+ clr %g5
/* These just get rescheduled to PIL vectors. */
.globl xcall_call_function
@@ -809,6 +985,58 @@
#endif /* CONFIG_SMP */
+ .globl cheetah_patch_cachetlbops
+cheetah_patch_cachetlbops:
+ save %sp, -128, %sp
+
+ sethi %hi(__flush_tlb_mm), %o0
+ or %o0, %lo(__flush_tlb_mm), %o0
+ sethi %hi(__cheetah_flush_tlb_mm), %o1
+ or %o1, %lo(__cheetah_flush_tlb_mm), %o1
+ call tlb_patch_one
+ mov 19, %o2
+
+ sethi %hi(__flush_tlb_page), %o0
+ or %o0, %lo(__flush_tlb_page), %o0
+ sethi %hi(__cheetah_flush_tlb_page), %o1
+ or %o1, %lo(__cheetah_flush_tlb_page), %o1
+ call tlb_patch_one
+ mov 22, %o2
+
+ sethi %hi(__flush_tlb_pending), %o0
+ or %o0, %lo(__flush_tlb_pending), %o0
+ sethi %hi(__cheetah_flush_tlb_pending), %o1
+ or %o1, %lo(__cheetah_flush_tlb_pending), %o1
+ call tlb_patch_one
+ mov 27, %o2
+
+ sethi %hi(__flush_tlb_kernel_range), %o0
+ or %o0, %lo(__flush_tlb_kernel_range), %o0
+ sethi %hi(__cheetah_flush_tlb_kernel_range), %o1
+ or %o1, %lo(__cheetah_flush_tlb_kernel_range), %o1
+ call tlb_patch_one
+ mov 31, %o2
+
+#ifdef DCACHE_ALIASING_POSSIBLE
+ sethi %hi(__flush_dcache_page), %o0
+ or %o0, %lo(__flush_dcache_page), %o0
+ sethi %hi(__cheetah_flush_dcache_page), %o1
+ or %o1, %lo(__cheetah_flush_dcache_page), %o1
+ call tlb_patch_one
+ mov 11, %o2
+#endif /* DCACHE_ALIASING_POSSIBLE */
+
+#ifdef CONFIG_SMP
+ sethi %hi(xcall_flush_tlb_kernel_range), %o0
+ or %o0, %lo(xcall_flush_tlb_kernel_range), %o0
+ sethi %hi(__cheetah_xcall_flush_tlb_kernel_range), %o1
+ or %o1, %lo(__cheetah_xcall_flush_tlb_kernel_range), %o1
+ call tlb_patch_one
+ mov 44, %o2
+#endif /* CONFIG_SMP */
+
+ ret
+ restore
.globl hypervisor_patch_cachetlbops
hypervisor_patch_cachetlbops:
@@ -819,28 +1047,28 @@
sethi %hi(__hypervisor_flush_tlb_mm), %o1
or %o1, %lo(__hypervisor_flush_tlb_mm), %o1
call tlb_patch_one
- mov 10, %o2
+ mov 19, %o2
sethi %hi(__flush_tlb_page), %o0
or %o0, %lo(__flush_tlb_page), %o0
sethi %hi(__hypervisor_flush_tlb_page), %o1
or %o1, %lo(__hypervisor_flush_tlb_page), %o1
call tlb_patch_one
- mov 11, %o2
+ mov 22, %o2
sethi %hi(__flush_tlb_pending), %o0
or %o0, %lo(__flush_tlb_pending), %o0
sethi %hi(__hypervisor_flush_tlb_pending), %o1
or %o1, %lo(__hypervisor_flush_tlb_pending), %o1
call tlb_patch_one
- mov 16, %o2
+ mov 27, %o2
sethi %hi(__flush_tlb_kernel_range), %o0
or %o0, %lo(__flush_tlb_kernel_range), %o0
sethi %hi(__hypervisor_flush_tlb_kernel_range), %o1
or %o1, %lo(__hypervisor_flush_tlb_kernel_range), %o1
call tlb_patch_one
- mov 16, %o2
+ mov 31, %o2
#ifdef DCACHE_ALIASING_POSSIBLE
sethi %hi(__flush_dcache_page), %o0
@@ -857,21 +1085,21 @@
sethi %hi(__hypervisor_xcall_flush_tlb_mm), %o1
or %o1, %lo(__hypervisor_xcall_flush_tlb_mm), %o1
call tlb_patch_one
- mov 21, %o2
+ mov 24, %o2
sethi %hi(xcall_flush_tlb_page), %o0
or %o0, %lo(xcall_flush_tlb_page), %o0
sethi %hi(__hypervisor_xcall_flush_tlb_page), %o1
or %o1, %lo(__hypervisor_xcall_flush_tlb_page), %o1
call tlb_patch_one
- mov 17, %o2
+ mov 20, %o2
sethi %hi(xcall_flush_tlb_kernel_range), %o0
or %o0, %lo(xcall_flush_tlb_kernel_range), %o0
sethi %hi(__hypervisor_xcall_flush_tlb_kernel_range), %o1
or %o1, %lo(__hypervisor_xcall_flush_tlb_kernel_range), %o1
call tlb_patch_one
- mov 25, %o2
+ mov 44, %o2
#endif /* CONFIG_SMP */
ret
diff --git a/arch/tile/kernel/time.c b/arch/tile/kernel/time.c
index 178989e..ea960d6 100644
--- a/arch/tile/kernel/time.c
+++ b/arch/tile/kernel/time.c
@@ -218,8 +218,8 @@
*/
unsigned long long sched_clock(void)
{
- return clocksource_cyc2ns(get_cycles(),
- sched_clock_mult, SCHED_CLOCK_SHIFT);
+ return mult_frac(get_cycles(),
+ sched_clock_mult, 1ULL << SCHED_CLOCK_SHIFT);
}
int setup_profiling_timer(unsigned int multiplier)
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 09b1b0a..b8c75f3 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -332,7 +332,7 @@
#define __get_user_asm_u64(x, ptr, retval, errret) \
__get_user_asm(x, ptr, retval, "q", "", "=r", errret)
#define __get_user_asm_ex_u64(x, ptr) \
- __get_user_asm_ex(x, ptr, "q", "", "=r")
+ __get_user_asm_ex(x, ptr, "q", "", "=&r")
#endif
#define __get_user_size(x, ptr, size, retval, errret) \
@@ -375,13 +375,13 @@
__chk_user_ptr(ptr); \
switch (size) { \
case 1: \
- __get_user_asm_ex(x, ptr, "b", "b", "=q"); \
+ __get_user_asm_ex(x, ptr, "b", "b", "=&q"); \
break; \
case 2: \
- __get_user_asm_ex(x, ptr, "w", "w", "=r"); \
+ __get_user_asm_ex(x, ptr, "w", "w", "=&r"); \
break; \
case 4: \
- __get_user_asm_ex(x, ptr, "l", "k", "=r"); \
+ __get_user_asm_ex(x, ptr, "l", "k", "=&r"); \
break; \
case 8: \
__get_user_asm_ex_u64(x, ptr); \
@@ -395,7 +395,7 @@
asm volatile("1: mov"itype" %1,%"rtype"0\n" \
"2:\n" \
_ASM_EXTABLE_EX(1b, 2b) \
- : ltype(x) : "m" (__m(addr)))
+ : ltype(x) : "m" (__m(addr)), "0" (0))
#define __put_user_nocheck(x, ptr, size) \
({ \
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 6cb5834..e2defc7 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -352,7 +352,6 @@
#ifdef CONFIG_SMP
unsigned bits;
int cpu = smp_processor_id();
- unsigned int socket_id, core_complex_id;
bits = c->x86_coreid_bits;
/* Low order bits define the core id (index of core in socket) */
@@ -370,10 +369,7 @@
if (c->x86 != 0x17 || !cpuid_edx(0x80000006))
return;
- socket_id = (c->apicid >> bits) - 1;
- core_complex_id = (c->apicid & ((1 << bits) - 1)) >> 3;
-
- per_cpu(cpu_llc_id, cpu) = (socket_id << 3) | core_complex_id;
+ per_cpu(cpu_llc_id, cpu) = c->apicid >> 3;
#endif
}
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index a3aeb2c..1a8256d 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -67,7 +67,7 @@
int shift = 64 - x86_pmu.cntval_bits;
u64 prev_raw_count, new_raw_count;
int idx = hwc->idx;
- s64 delta;
+ u64 delta;
if (idx == INTEL_PMC_IDX_FIXED_BTS)
return 0;
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 5f82cd5..5cc2242 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -3636,7 +3636,7 @@
/* Support full width counters using alternative MSR range */
if (x86_pmu.intel_cap.full_width_write) {
- x86_pmu.max_period = x86_pmu.cntval_mask;
+ x86_pmu.max_period = x86_pmu.cntval_mask >> 1;
x86_pmu.perfctr = MSR_IA32_PMC0;
pr_cont("full-width counters, ");
}
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 6bc9ae2..8f1a3f4 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -571,7 +571,7 @@
movl %eax,%ds
movl %eax,%es
- cmpl $(__KERNEL_CS),32(%esp)
+ cmpw $(__KERNEL_CS),32(%esp)
jne 10f
leal 28(%esp),%eax # Pointer to %eip
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index b9b09fe..f49e980 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2093,16 +2093,10 @@
static int em_jmp_far(struct x86_emulate_ctxt *ctxt)
{
int rc;
- unsigned short sel, old_sel;
- struct desc_struct old_desc, new_desc;
- const struct x86_emulate_ops *ops = ctxt->ops;
+ unsigned short sel;
+ struct desc_struct new_desc;
u8 cpl = ctxt->ops->cpl(ctxt);
- /* Assignment of RIP may only fail in 64-bit mode */
- if (ctxt->mode == X86EMUL_MODE_PROT64)
- ops->get_segment(ctxt, &old_sel, &old_desc, NULL,
- VCPU_SREG_CS);
-
memcpy(&sel, ctxt->src.valptr + ctxt->op_bytes, 2);
rc = __load_segment_descriptor(ctxt, sel, VCPU_SREG_CS, cpl,
@@ -2112,12 +2106,10 @@
return rc;
rc = assign_eip_far(ctxt, ctxt->src.val, &new_desc);
- if (rc != X86EMUL_CONTINUE) {
- WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64);
- /* assigning eip failed; restore the old cs */
- ops->set_segment(ctxt, old_sel, &old_desc, 0, VCPU_SREG_CS);
- return rc;
- }
+ /* Error handling is not implemented. */
+ if (rc != X86EMUL_CONTINUE)
+ return X86EMUL_UNHANDLEABLE;
+
return rc;
}
@@ -2177,14 +2169,8 @@
{
int rc;
unsigned long eip, cs;
- u16 old_cs;
int cpl = ctxt->ops->cpl(ctxt);
- struct desc_struct old_desc, new_desc;
- const struct x86_emulate_ops *ops = ctxt->ops;
-
- if (ctxt->mode == X86EMUL_MODE_PROT64)
- ops->get_segment(ctxt, &old_cs, &old_desc, NULL,
- VCPU_SREG_CS);
+ struct desc_struct new_desc;
rc = emulate_pop(ctxt, &eip, ctxt->op_bytes);
if (rc != X86EMUL_CONTINUE)
@@ -2201,10 +2187,10 @@
if (rc != X86EMUL_CONTINUE)
return rc;
rc = assign_eip_far(ctxt, eip, &new_desc);
- if (rc != X86EMUL_CONTINUE) {
- WARN_ON(ctxt->mode != X86EMUL_MODE_PROT64);
- ops->set_segment(ctxt, old_cs, &old_desc, 0, VCPU_SREG_CS);
- }
+ /* Error handling is not implemented. */
+ if (rc != X86EMUL_CONTINUE)
+ return X86EMUL_UNHANDLEABLE;
+
return rc;
}
@@ -5033,7 +5019,7 @@
/* Decode and fetch the destination operand: register or memory. */
rc = decode_operand(ctxt, &ctxt->dst, (ctxt->d >> DstShift) & OpMask);
- if (ctxt->rip_relative)
+ if (ctxt->rip_relative && likely(ctxt->memopp))
ctxt->memopp->addr.mem.ea = address_mask(ctxt,
ctxt->memopp->addr.mem.ea + ctxt->_eip);
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
index 84b96d3..d09544e 100644
--- a/arch/x86/kvm/irq_comm.c
+++ b/arch/x86/kvm/irq_comm.c
@@ -38,6 +38,15 @@
bool line_status)
{
struct kvm_pic *pic = pic_irqchip(kvm);
+
+ /*
+ * XXX: rejecting pic routes when pic isn't in use would be better,
+ * but the default routing table is installed while kvm->arch.vpic is
+ * NULL and KVM_CREATE_IRQCHIP can race with KVM_IRQ_LINE.
+ */
+ if (!pic)
+ return -1;
+
return kvm_pic_set_irq(pic, e->irqchip.pin, irq_source_id, level);
}
@@ -46,6 +55,10 @@
bool line_status)
{
struct kvm_ioapic *ioapic = kvm->arch.vioapic;
+
+ if (!ioapic)
+ return -1;
+
return kvm_ioapic_set_irq(ioapic, e->irqchip.pin, irq_source_id, level,
line_status);
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d7cb957..7429d48 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -199,7 +199,18 @@
struct kvm_shared_msrs *locals
= container_of(urn, struct kvm_shared_msrs, urn);
struct kvm_shared_msr_values *values;
+ unsigned long flags;
+ /*
+ * Disabling irqs at this point since the following code could be
+ * interrupted and executed through kvm_arch_hardware_disable()
+ */
+ local_irq_save(flags);
+ if (locals->registered) {
+ locals->registered = false;
+ user_return_notifier_unregister(urn);
+ }
+ local_irq_restore(flags);
for (slot = 0; slot < shared_msrs_global.nr; ++slot) {
values = &locals->values[slot];
if (values->host != values->curr) {
@@ -207,8 +218,6 @@
values->curr = values->host;
}
}
- locals->registered = false;
- user_return_notifier_unregister(urn);
}
static void shared_msr_update(unsigned slot, u32 msr)
@@ -3317,6 +3326,7 @@
};
case KVM_SET_VAPIC_ADDR: {
struct kvm_vapic_addr va;
+ int idx;
r = -EINVAL;
if (!lapic_in_kernel(vcpu))
@@ -3324,7 +3334,9 @@
r = -EFAULT;
if (copy_from_user(&va, argp, sizeof va))
goto out;
+ idx = srcu_read_lock(&vcpu->kvm->srcu);
r = kvm_lapic_set_vapic_addr(vcpu, va.vapic_addr);
+ srcu_read_unlock(&vcpu->kvm->srcu, idx);
break;
}
case KVM_X86_SETUP_MCE: {
@@ -7252,10 +7264,12 @@
void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
{
+ void *wbinvd_dirty_mask = vcpu->arch.wbinvd_dirty_mask;
+
kvmclock_reset(vcpu);
- free_cpumask_var(vcpu->arch.wbinvd_dirty_mask);
kvm_x86_ops->vcpu_free(vcpu);
+ free_cpumask_var(wbinvd_dirty_mask);
}
struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile
index 2c835e3..d445c5f 100644
--- a/arch/x86/purgatory/Makefile
+++ b/arch/x86/purgatory/Makefile
@@ -12,6 +12,7 @@
KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -MD -Os -mcmodel=large
KBUILD_CFLAGS += -m$(BITS)
+KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
$(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
$(call if_changed,ld)
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index cb5e266..1e56ff5 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1113,7 +1113,7 @@
/* NOTE: The loop is more greedy than the cleanup_highmap variant.
* We include the PMD passed in on _both_ boundaries. */
- for (; vaddr <= vaddr_end && (pmd < (level2_kernel_pgt + PAGE_SIZE));
+ for (; vaddr <= vaddr_end && (pmd < (level2_kernel_pgt + PTRS_PER_PMD));
pmd++, vaddr += PMD_SIZE) {
if (pmd_none(*pmd))
continue;
diff --git a/block/blk-map.c b/block/blk-map.c
index f565e11..69953bd 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -90,6 +90,9 @@
if (!iter || !iter->count)
return -EINVAL;
+ if (!iter_is_iovec(iter))
+ return -EINVAL;
+
iov_for_each(iov, i, *iter) {
unsigned long uaddr = (unsigned long) iov.iov_base;
diff --git a/block/blk-mq.c b/block/blk-mq.c
index c3e461ec..9f99a01 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1313,9 +1313,9 @@
blk_mq_put_ctx(data.ctx);
if (!old_rq)
goto done;
- if (!blk_mq_direct_issue_request(old_rq, &cookie))
- goto done;
- blk_mq_insert_request(old_rq, false, true, true);
+ if (test_bit(BLK_MQ_S_STOPPED, &data.hctx->state) ||
+ blk_mq_direct_issue_request(old_rq, &cookie) != 0)
+ blk_mq_insert_request(old_rq, false, true, true);
goto done;
}
diff --git a/crypto/Makefile b/crypto/Makefile
index f7aba92..82fbff1 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -33,6 +33,7 @@
$(obj)/rsapubkey-asn1.o: $(obj)/rsapubkey-asn1.c $(obj)/rsapubkey-asn1.h
$(obj)/rsaprivkey-asn1.o: $(obj)/rsaprivkey-asn1.c $(obj)/rsaprivkey-asn1.h
+$(obj)/rsa_helper.o: $(obj)/rsapubkey-asn1.h $(obj)/rsaprivkey-asn1.h
clean-files += rsapubkey-asn1.c rsapubkey-asn1.h
clean-files += rsaprivkey-asn1.c rsaprivkey-asn1.h
diff --git a/crypto/mcryptd.c b/crypto/mcryptd.c
index fe5b495a..a0ceb41 100644
--- a/crypto/mcryptd.c
+++ b/crypto/mcryptd.c
@@ -258,18 +258,22 @@
goto out;
}
-static inline void mcryptd_check_internal(struct rtattr **tb, u32 *type,
+static inline bool mcryptd_check_internal(struct rtattr **tb, u32 *type,
u32 *mask)
{
struct crypto_attr_type *algt;
algt = crypto_get_attr_type(tb);
if (IS_ERR(algt))
- return;
- if ((algt->type & CRYPTO_ALG_INTERNAL))
- *type |= CRYPTO_ALG_INTERNAL;
- if ((algt->mask & CRYPTO_ALG_INTERNAL))
- *mask |= CRYPTO_ALG_INTERNAL;
+ return false;
+
+ *type |= algt->type & CRYPTO_ALG_INTERNAL;
+ *mask |= algt->mask & CRYPTO_ALG_INTERNAL;
+
+ if (*type & *mask & CRYPTO_ALG_INTERNAL)
+ return true;
+ else
+ return false;
}
static int mcryptd_hash_init_tfm(struct crypto_tfm *tfm)
@@ -498,7 +502,8 @@
u32 mask = 0;
int err;
- mcryptd_check_internal(tb, &type, &mask);
+ if (!mcryptd_check_internal(tb, &type, &mask))
+ return -EINVAL;
salg = shash_attr_alg(tb[1], type, mask);
if (IS_ERR(salg))
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 3dd9c46..8f8da9f 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -657,7 +657,7 @@
ghes_do_proc(ghes, ghes->estatus);
out:
ghes_clear_estatus(ghes);
- return 0;
+ return rc;
}
static void ghes_add_timer(struct ghes *ghes)
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 7d00b7a..47ddfef 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -1003,7 +1003,7 @@
static struct binder_ref *binder_get_ref(struct binder_proc *proc,
- uint32_t desc)
+ u32 desc, bool need_strong_ref)
{
struct rb_node *n = proc->refs_by_desc.rb_node;
struct binder_ref *ref;
@@ -1011,12 +1011,16 @@
while (n) {
ref = rb_entry(n, struct binder_ref, rb_node_desc);
- if (desc < ref->desc)
+ if (desc < ref->desc) {
n = n->rb_left;
- else if (desc > ref->desc)
+ } else if (desc > ref->desc) {
n = n->rb_right;
- else
+ } else if (need_strong_ref && !ref->strong) {
+ binder_user_error("tried to use weak ref as strong ref\n");
+ return NULL;
+ } else {
return ref;
+ }
}
return NULL;
}
@@ -1286,7 +1290,10 @@
} break;
case BINDER_TYPE_HANDLE:
case BINDER_TYPE_WEAK_HANDLE: {
- struct binder_ref *ref = binder_get_ref(proc, fp->handle);
+ struct binder_ref *ref;
+
+ ref = binder_get_ref(proc, fp->handle,
+ fp->type == BINDER_TYPE_HANDLE);
if (ref == NULL) {
pr_err("transaction release %d bad handle %d\n",
@@ -1380,7 +1387,7 @@
if (tr->target.handle) {
struct binder_ref *ref;
- ref = binder_get_ref(proc, tr->target.handle);
+ ref = binder_get_ref(proc, tr->target.handle, true);
if (ref == NULL) {
binder_user_error("%d:%d got transaction to invalid handle\n",
proc->pid, thread->pid);
@@ -1571,7 +1578,9 @@
fp->type = BINDER_TYPE_HANDLE;
else
fp->type = BINDER_TYPE_WEAK_HANDLE;
+ fp->binder = 0;
fp->handle = ref->desc;
+ fp->cookie = 0;
binder_inc_ref(ref, fp->type == BINDER_TYPE_HANDLE,
&thread->todo);
@@ -1583,7 +1592,10 @@
} break;
case BINDER_TYPE_HANDLE:
case BINDER_TYPE_WEAK_HANDLE: {
- struct binder_ref *ref = binder_get_ref(proc, fp->handle);
+ struct binder_ref *ref;
+
+ ref = binder_get_ref(proc, fp->handle,
+ fp->type == BINDER_TYPE_HANDLE);
if (ref == NULL) {
binder_user_error("%d:%d got transaction with invalid handle, %d\n",
@@ -1618,7 +1630,9 @@
return_error = BR_FAILED_REPLY;
goto err_binder_get_ref_for_node_failed;
}
+ fp->binder = 0;
fp->handle = new_ref->desc;
+ fp->cookie = 0;
binder_inc_ref(new_ref, fp->type == BINDER_TYPE_HANDLE, NULL);
trace_binder_transaction_ref_to_ref(t, ref,
new_ref);
@@ -1672,6 +1686,7 @@
binder_debug(BINDER_DEBUG_TRANSACTION,
" fd %d -> %d\n", fp->handle, target_fd);
/* TODO: fput? */
+ fp->binder = 0;
fp->handle = target_fd;
} break;
@@ -1794,7 +1809,9 @@
ref->desc);
}
} else
- ref = binder_get_ref(proc, target);
+ ref = binder_get_ref(proc, target,
+ cmd == BC_ACQUIRE ||
+ cmd == BC_RELEASE);
if (ref == NULL) {
binder_user_error("%d:%d refcount change on invalid ref %d\n",
proc->pid, thread->pid, target);
@@ -1990,7 +2007,7 @@
if (get_user(cookie, (binder_uintptr_t __user *)ptr))
return -EFAULT;
ptr += sizeof(binder_uintptr_t);
- ref = binder_get_ref(proc, target);
+ ref = binder_get_ref(proc, target, false);
if (ref == NULL) {
binder_user_error("%d:%d %s invalid ref %d\n",
proc->pid, thread->pid,
diff --git a/drivers/base/core.c b/drivers/base/core.c
index b7d56c5..f18856f 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -836,11 +836,29 @@
return NULL;
}
+static inline bool live_in_glue_dir(struct kobject *kobj,
+ struct device *dev)
+{
+ if (!kobj || !dev->class ||
+ kobj->kset != &dev->class->p->glue_dirs)
+ return false;
+ return true;
+}
+
+static inline struct kobject *get_glue_dir(struct device *dev)
+{
+ return dev->kobj.parent;
+}
+
+/*
+ * make sure cleaning up dir as the last step, we need to make
+ * sure .release handler of kobject is run with holding the
+ * global lock
+ */
static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir)
{
/* see if we live in a "glue" directory */
- if (!glue_dir || !dev->class ||
- glue_dir->kset != &dev->class->p->glue_dirs)
+ if (!live_in_glue_dir(glue_dir, dev))
return;
mutex_lock(&gdp_mutex);
@@ -848,11 +866,6 @@
mutex_unlock(&gdp_mutex);
}
-static void cleanup_device_parent(struct device *dev)
-{
- cleanup_glue_dir(dev, dev->kobj.parent);
-}
-
static int device_add_class_symlinks(struct device *dev)
{
struct device_node *of_node = dev_of_node(dev);
@@ -1028,6 +1041,7 @@
struct kobject *kobj;
struct class_interface *class_intf;
int error = -EINVAL;
+ struct kobject *glue_dir = NULL;
dev = get_device(dev);
if (!dev)
@@ -1072,8 +1086,10 @@
/* first, register with generic layer. */
/* we require the name to be set before, and pass NULL */
error = kobject_add(&dev->kobj, dev->kobj.parent, NULL);
- if (error)
+ if (error) {
+ glue_dir = get_glue_dir(dev);
goto Error;
+ }
/* notify platform of device entry */
if (platform_notify)
@@ -1154,9 +1170,10 @@
device_remove_file(dev, &dev_attr_uevent);
attrError:
kobject_uevent(&dev->kobj, KOBJ_REMOVE);
+ glue_dir = get_glue_dir(dev);
kobject_del(&dev->kobj);
Error:
- cleanup_device_parent(dev);
+ cleanup_glue_dir(dev, glue_dir);
put_device(parent);
name_error:
kfree(dev->p);
@@ -1232,6 +1249,7 @@
void device_del(struct device *dev)
{
struct device *parent = dev->parent;
+ struct kobject *glue_dir = NULL;
struct class_interface *class_intf;
/* Notify clients of device removal. This call must come
@@ -1276,8 +1294,9 @@
blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
BUS_NOTIFY_REMOVED_DEVICE, dev);
kobject_uevent(&dev->kobj, KOBJ_REMOVE);
- cleanup_device_parent(dev);
+ glue_dir = get_glue_dir(dev);
kobject_del(&dev->kobj);
+ cleanup_glue_dir(dev, glue_dir);
put_device(parent);
}
EXPORT_SYMBOL_GPL(device_del);
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index ae60e63..e9b7136 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1022,6 +1022,8 @@
TRACE_DEVICE(dev);
TRACE_SUSPEND(0);
+ dpm_wait_for_children(dev, async);
+
if (async_error)
goto Complete;
@@ -1033,8 +1035,6 @@
if (dev->power.syscore || dev->power.direct_complete)
goto Complete;
- dpm_wait_for_children(dev, async);
-
if (dev->pm_domain) {
info = "noirq power domain ";
callback = pm_noirq_op(&dev->pm_domain->ops, state);
@@ -1169,6 +1169,8 @@
__pm_runtime_disable(dev, false);
+ dpm_wait_for_children(dev, async);
+
if (async_error)
goto Complete;
@@ -1180,8 +1182,6 @@
if (dev->power.syscore || dev->power.direct_complete)
goto Complete;
- dpm_wait_for_children(dev, async);
-
if (dev->pm_domain) {
info = "late power domain ";
callback = pm_late_early_op(&dev->pm_domain->ops, state);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 74d97f4..1d58854 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1802,7 +1802,7 @@
* do we need to block DRBD_SIG if sock == &meta.socket ??
* otherwise wake_asender() might interrupt some send_*Ack !
*/
- rv = kernel_sendmsg(sock, &msg, &iov, 1, size);
+ rv = kernel_sendmsg(sock, &msg, &iov, 1, iov.iov_len);
if (rv == -EAGAIN) {
if (we_should_drop_the_connection(connection, sock))
break;
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 80cf8ad..ab0b2dd 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1657,7 +1657,7 @@
blk_mq_start_request(bd->rq);
if (lo->lo_state != Lo_bound)
- return -EIO;
+ return BLK_MQ_RQ_QUEUE_ERROR;
if (lo->use_dio && !(cmd->rq->cmd_flags & (REQ_FLUSH |
REQ_DISCARD)))
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 370c2f7..1648de8 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1368,7 +1368,8 @@
zram = idr_find(&zram_index_idr, dev_id);
if (zram) {
ret = zram_remove(zram);
- idr_remove(&zram_index_idr, dev_id);
+ if (!ret)
+ idr_remove(&zram_index_idr, dev_id);
} else {
ret = -ENODEV;
}
@@ -1377,8 +1378,14 @@
return ret ? ret : count;
}
+/*
+ * NOTE: hot_add attribute is not the usual read-only sysfs attribute. In a
+ * sense that reading from this file does alter the state of your system -- it
+ * creates a new un-initialized zram device and returns back this device's
+ * device_id (or an error code if it fails to create a new device).
+ */
static struct class_attribute zram_control_class_attrs[] = {
- __ATTR_RO(hot_add),
+ __ATTR(hot_add, 0400, hot_add_show, NULL),
__ATTR_WO(hot_remove),
__ATTR_NULL,
};
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 6f497aa..cf25020 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -84,14 +84,14 @@
static void add_early_randomness(struct hwrng *rng)
{
- unsigned char bytes[16];
int bytes_read;
+ size_t size = min_t(size_t, 16, rng_buffer_size());
mutex_lock(&reading_mutex);
- bytes_read = rng_get_data(rng, bytes, sizeof(bytes), 1);
+ bytes_read = rng_get_data(rng, rng_buffer, size, 1);
mutex_unlock(&reading_mutex);
if (bytes_read > 0)
- add_device_randomness(bytes, bytes_read);
+ add_device_randomness(rng_buffer, bytes_read);
}
static inline void cleanup_rng(struct kref *kref)
diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index 3111f27..849f2e2 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
@@ -305,7 +305,6 @@
rv = setup_ring(dev, priv);
if (rv) {
chip = dev_get_drvdata(&dev->dev);
- tpm_chip_unregister(chip);
ring_free(priv);
return rv;
}
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index d2406fe..090183f 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1533,19 +1533,29 @@
spin_lock_irq(&port->inbuf_lock);
/* Remove unused data this port might have received. */
discard_port_data(port);
+ spin_unlock_irq(&port->inbuf_lock);
/* Remove buffers we queued up for the Host to send us data in. */
- while ((buf = virtqueue_detach_unused_buf(port->in_vq)))
- free_buf(buf, true);
- spin_unlock_irq(&port->inbuf_lock);
+ do {
+ spin_lock_irq(&port->inbuf_lock);
+ buf = virtqueue_detach_unused_buf(port->in_vq);
+ spin_unlock_irq(&port->inbuf_lock);
+ if (buf)
+ free_buf(buf, true);
+ } while (buf);
spin_lock_irq(&port->outvq_lock);
reclaim_consumed_buffers(port);
+ spin_unlock_irq(&port->outvq_lock);
/* Free pending buffers from the out-queue. */
- while ((buf = virtqueue_detach_unused_buf(port->out_vq)))
- free_buf(buf, true);
- spin_unlock_irq(&port->outvq_lock);
+ do {
+ spin_lock_irq(&port->outvq_lock);
+ buf = virtqueue_detach_unused_buf(port->out_vq);
+ spin_unlock_irq(&port->outvq_lock);
+ if (buf)
+ free_buf(buf, true);
+ } while (buf);
}
/*
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index 8b77abb..a5070f9 100644
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -700,6 +700,7 @@
struct mux_hwclock *hwc,
const struct clk_ops *ops,
unsigned long min_rate,
+ unsigned long max_rate,
unsigned long pct80_rate,
const char *fmt, int idx)
{
@@ -728,6 +729,8 @@
continue;
if (rate < min_rate)
continue;
+ if (rate > max_rate)
+ continue;
parent_names[j] = div->name;
hwc->parent_to_clksel[j] = i;
@@ -759,7 +762,7 @@
struct mux_hwclock *hwc;
const struct clockgen_pll_div *div;
unsigned long plat_rate, min_rate;
- u64 pct80_rate;
+ u64 max_rate, pct80_rate;
u32 clksel;
hwc = kzalloc(sizeof(*hwc), GFP_KERNEL);
@@ -787,8 +790,8 @@
return NULL;
}
- pct80_rate = clk_get_rate(div->clk);
- pct80_rate *= 8;
+ max_rate = clk_get_rate(div->clk);
+ pct80_rate = max_rate * 8;
do_div(pct80_rate, 10);
plat_rate = clk_get_rate(cg->pll[PLATFORM_PLL].div[PLL_DIV1].clk);
@@ -798,7 +801,7 @@
else
min_rate = plat_rate / 2;
- return create_mux_common(cg, hwc, &cmux_ops, min_rate,
+ return create_mux_common(cg, hwc, &cmux_ops, min_rate, max_rate,
pct80_rate, "cg-cmux%d", idx);
}
@@ -813,7 +816,7 @@
hwc->reg = cg->regs + 0x20 * idx + 0x10;
hwc->info = cg->info.hwaccel[idx];
- return create_mux_common(cg, hwc, &hwaccel_ops, 0, 0,
+ return create_mux_common(cg, hwc, &hwaccel_ops, 0, ULONG_MAX, 0,
"cg-hwaccel%d", idx);
}
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
index 251533d..f261b1d 100644
--- a/drivers/clk/mmp/clk-of-mmp2.c
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -313,7 +313,7 @@
}
pxa_unit->apmu_base = of_iomap(np, 1);
- if (!pxa_unit->mpmu_base) {
+ if (!pxa_unit->apmu_base) {
pr_err("failed to map apmu registers\n");
return;
}
diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c
index 64eaf41..427f4bb 100644
--- a/drivers/clk/mmp/clk-of-pxa168.c
+++ b/drivers/clk/mmp/clk-of-pxa168.c
@@ -262,7 +262,7 @@
}
pxa_unit->apmu_base = of_iomap(np, 1);
- if (!pxa_unit->mpmu_base) {
+ if (!pxa_unit->apmu_base) {
pr_err("failed to map apmu registers\n");
return;
}
diff --git a/drivers/clk/mmp/clk-of-pxa910.c b/drivers/clk/mmp/clk-of-pxa910.c
index 13d6173..cdf5ba5 100644
--- a/drivers/clk/mmp/clk-of-pxa910.c
+++ b/drivers/clk/mmp/clk-of-pxa910.c
@@ -282,7 +282,7 @@
}
pxa_unit->apmu_base = of_iomap(np, 1);
- if (!pxa_unit->mpmu_base) {
+ if (!pxa_unit->apmu_base) {
pr_err("failed to map apmu registers\n");
return;
}
@@ -294,7 +294,7 @@
}
pxa_unit->apbcp_base = of_iomap(np, 3);
- if (!pxa_unit->mpmu_base) {
+ if (!pxa_unit->apbcp_base) {
pr_err("failed to map apbcp registers\n");
return;
}
diff --git a/drivers/clk/ti/clk-3xxx.c b/drivers/clk/ti/clk-3xxx.c
index 8831e1a..11d8aa3 100644
--- a/drivers/clk/ti/clk-3xxx.c
+++ b/drivers/clk/ti/clk-3xxx.c
@@ -22,13 +22,6 @@
#include "clock.h"
-/*
- * DPLL5_FREQ_FOR_USBHOST: USBHOST and USBTLL are the only clocks
- * that are sourced by DPLL5, and both of these require this clock
- * to be at 120 MHz for proper operation.
- */
-#define DPLL5_FREQ_FOR_USBHOST 120000000
-
#define OMAP3430ES2_ST_DSS_IDLE_SHIFT 1
#define OMAP3430ES2_ST_HSOTGUSB_IDLE_SHIFT 5
#define OMAP3430ES2_ST_SSI_IDLE_SHIFT 8
@@ -546,14 +539,21 @@
struct clk *dpll5_clk;
struct clk *dpll5_m2_clk;
+ /*
+ * Errata sprz319f advisory 2.1 documents a USB host clock drift issue
+ * that can be worked around using specially crafted dpll5 settings
+ * with a dpll5_m2 divider set to 8. Set the dpll5 rate to 8x the USB
+ * host clock rate, its .set_rate handler() will detect that frequency
+ * and use the errata settings.
+ */
dpll5_clk = clk_get(NULL, "dpll5_ck");
- clk_set_rate(dpll5_clk, DPLL5_FREQ_FOR_USBHOST);
+ clk_set_rate(dpll5_clk, OMAP3_DPLL5_FREQ_FOR_USBHOST * 8);
clk_prepare_enable(dpll5_clk);
- /* Program dpll5_m2_clk divider for no division */
+ /* Program dpll5_m2_clk divider */
dpll5_m2_clk = clk_get(NULL, "dpll5_m2_ck");
clk_prepare_enable(dpll5_m2_clk);
- clk_set_rate(dpll5_m2_clk, DPLL5_FREQ_FOR_USBHOST);
+ clk_set_rate(dpll5_m2_clk, OMAP3_DPLL5_FREQ_FOR_USBHOST);
clk_disable_unprepare(dpll5_m2_clk);
clk_disable_unprepare(dpll5_clk);
diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h
index 90f3f47..13c37f4 100644
--- a/drivers/clk/ti/clock.h
+++ b/drivers/clk/ti/clock.h
@@ -257,11 +257,20 @@
unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw,
unsigned long parent_rate);
+/*
+ * OMAP3_DPLL5_FREQ_FOR_USBHOST: USBHOST and USBTLL are the only clocks
+ * that are sourced by DPLL5, and both of these require this clock
+ * to be at 120 MHz for proper operation.
+ */
+#define OMAP3_DPLL5_FREQ_FOR_USBHOST 120000000
+
unsigned long omap3_dpll_recalc(struct clk_hw *hw, unsigned long parent_rate);
int omap3_dpll4_set_rate(struct clk_hw *clk, unsigned long rate,
unsigned long parent_rate);
int omap3_dpll4_set_rate_and_parent(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate, u8 index);
+int omap3_dpll5_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate);
void omap3_clk_lock_dpll5(void);
unsigned long omap4_dpll_regm4xen_recalc(struct clk_hw *hw,
diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c
index 5519b38..f9a5089 100644
--- a/drivers/clk/ti/dpll.c
+++ b/drivers/clk/ti/dpll.c
@@ -114,6 +114,18 @@
.round_rate = &omap2_dpll_round_rate,
};
+static const struct clk_ops omap3_dpll5_ck_ops = {
+ .enable = &omap3_noncore_dpll_enable,
+ .disable = &omap3_noncore_dpll_disable,
+ .get_parent = &omap2_init_dpll_parent,
+ .recalc_rate = &omap3_dpll_recalc,
+ .set_rate = &omap3_dpll5_set_rate,
+ .set_parent = &omap3_noncore_dpll_set_parent,
+ .set_rate_and_parent = &omap3_noncore_dpll_set_rate_and_parent,
+ .determine_rate = &omap3_noncore_dpll_determine_rate,
+ .round_rate = &omap2_dpll_round_rate,
+};
+
static const struct clk_ops omap3_dpll_per_ck_ops = {
.enable = &omap3_noncore_dpll_enable,
.disable = &omap3_noncore_dpll_disable,
@@ -461,7 +473,12 @@
.modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED),
};
- of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd);
+ if ((of_machine_is_compatible("ti,omap3630") ||
+ of_machine_is_compatible("ti,omap36xx")) &&
+ !strcmp(node->name, "dpll5_ck"))
+ of_ti_dpll_setup(node, &omap3_dpll5_ck_ops, &dd);
+ else
+ of_ti_dpll_setup(node, &omap3_dpll_ck_ops, &dd);
}
CLK_OF_DECLARE(ti_omap3_dpll_clock, "ti,omap3-dpll-clock",
of_ti_omap3_dpll_setup);
diff --git a/drivers/clk/ti/dpll3xxx.c b/drivers/clk/ti/dpll3xxx.c
index f4dec00..0e9119f 100644
--- a/drivers/clk/ti/dpll3xxx.c
+++ b/drivers/clk/ti/dpll3xxx.c
@@ -815,3 +815,70 @@
return omap3_noncore_dpll_set_rate_and_parent(hw, rate, parent_rate,
index);
}
+
+/* Apply DM3730 errata sprz319 advisory 2.1. */
+static bool omap3_dpll5_apply_errata(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct omap3_dpll5_settings {
+ unsigned int rate, m, n;
+ };
+
+ static const struct omap3_dpll5_settings precomputed[] = {
+ /*
+ * From DM3730 errata advisory 2.1, table 35 and 36.
+ * The N value is increased by 1 compared to the tables as the
+ * errata lists register values while last_rounded_field is the
+ * real divider value.
+ */
+ { 12000000, 80, 0 + 1 },
+ { 13000000, 443, 5 + 1 },
+ { 19200000, 50, 0 + 1 },
+ { 26000000, 443, 11 + 1 },
+ { 38400000, 25, 0 + 1 }
+ };
+
+ const struct omap3_dpll5_settings *d;
+ struct clk_hw_omap *clk = to_clk_hw_omap(hw);
+ struct dpll_data *dd;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(precomputed); ++i) {
+ if (parent_rate == precomputed[i].rate)
+ break;
+ }
+
+ if (i == ARRAY_SIZE(precomputed))
+ return false;
+
+ d = &precomputed[i];
+
+ /* Update the M, N and rounded rate values and program the DPLL. */
+ dd = clk->dpll_data;
+ dd->last_rounded_m = d->m;
+ dd->last_rounded_n = d->n;
+ dd->last_rounded_rate = div_u64((u64)parent_rate * d->m, d->n);
+ omap3_noncore_dpll_program(clk, 0);
+
+ return true;
+}
+
+/**
+ * omap3_dpll5_set_rate - set rate for omap3 dpll5
+ * @hw: clock to change
+ * @rate: target rate for clock
+ * @parent_rate: rate of the parent clock
+ *
+ * Set rate for the DPLL5 clock. Apply the sprz319 advisory 2.1 on OMAP36xx if
+ * the DPLL is used for USB host (detected through the requested rate).
+ */
+int omap3_dpll5_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ if (rate == OMAP3_DPLL5_FREQ_FOR_USBHOST * 8) {
+ if (omap3_dpll5_apply_errata(hw, parent_rate))
+ return 0;
+ }
+
+ return omap3_noncore_dpll_set_rate(hw, rate, parent_rate);
+}
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index b304421..f3307fc 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -702,7 +702,9 @@
/* Will read cryptlen */
append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ);
- aead_append_src_dst(desc, FIFOLD_TYPE_MSG1OUT2);
+ append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH | KEY_VLF |
+ FIFOLD_TYPE_MSG1OUT2 | FIFOLD_TYPE_LASTBOTH);
+ append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF);
/* Write ICV */
append_seq_store(desc, ctx->authsize, LDST_CLASS_2_CCB |
@@ -4542,6 +4544,15 @@
if (!aes_inst && (alg_sel == OP_ALG_ALGSEL_AES))
continue;
+ /*
+ * Check support for AES modes not available
+ * on LP devices.
+ */
+ if ((cha_vid & CHA_ID_LS_AES_MASK) == CHA_ID_LS_AES_LP)
+ if ((alg->class1_alg_type & OP_ALG_AAI_MASK) ==
+ OP_ALG_AAI_XTS)
+ continue;
+
t_alg = caam_alg_alloc(alg);
if (IS_ERR(t_alg)) {
err = PTR_ERR(t_alg);
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 9d05d7d..66c073f 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -864,8 +864,12 @@
* access. Hopefully we can access DDR through both ports (at least on
* SAMA5D4x), so we can use the same interface for source and dest,
* that solves the fact we don't know the direction.
+ * ERRATA: Even if useless for memory transfers, the PERID has to not
+ * match the one of another channel. If not, it could lead to spurious
+ * flag status.
*/
- u32 chan_cc = AT_XDMAC_CC_DIF(0)
+ u32 chan_cc = AT_XDMAC_CC_PERID(0x3f)
+ | AT_XDMAC_CC_DIF(0)
| AT_XDMAC_CC_SIF(0)
| AT_XDMAC_CC_MBSIZE_SIXTEEN
| AT_XDMAC_CC_TYPE_MEM_TRAN;
@@ -1042,8 +1046,12 @@
* access DDR through both ports (at least on SAMA5D4x), so we can use
* the same interface for source and dest, that solves the fact we
* don't know the direction.
+ * ERRATA: Even if useless for memory transfers, the PERID has to not
+ * match the one of another channel. If not, it could lead to spurious
+ * flag status.
*/
- u32 chan_cc = AT_XDMAC_CC_DAM_INCREMENTED_AM
+ u32 chan_cc = AT_XDMAC_CC_PERID(0x3f)
+ | AT_XDMAC_CC_DAM_INCREMENTED_AM
| AT_XDMAC_CC_SAM_INCREMENTED_AM
| AT_XDMAC_CC_DIF(0)
| AT_XDMAC_CC_SIF(0)
@@ -1144,8 +1152,12 @@
* access. Hopefully we can access DDR through both ports (at least on
* SAMA5D4x), so we can use the same interface for source and dest,
* that solves the fact we don't know the direction.
+ * ERRATA: Even if useless for memory transfers, the PERID has to not
+ * match the one of another channel. If not, it could lead to spurious
+ * flag status.
*/
- u32 chan_cc = AT_XDMAC_CC_DAM_UBS_AM
+ u32 chan_cc = AT_XDMAC_CC_PERID(0x3f)
+ | AT_XDMAC_CC_DAM_UBS_AM
| AT_XDMAC_CC_SAM_INCREMENTED_AM
| AT_XDMAC_CC_DIF(0)
| AT_XDMAC_CC_SIF(0)
diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
index f4ea80d..b9d2f76 100644
--- a/drivers/firewire/net.c
+++ b/drivers/firewire/net.c
@@ -73,13 +73,13 @@
#define fwnet_get_hdr_lf(h) (((h)->w0 & 0xc0000000) >> 30)
#define fwnet_get_hdr_ether_type(h) (((h)->w0 & 0x0000ffff))
-#define fwnet_get_hdr_dg_size(h) (((h)->w0 & 0x0fff0000) >> 16)
+#define fwnet_get_hdr_dg_size(h) ((((h)->w0 & 0x0fff0000) >> 16) + 1)
#define fwnet_get_hdr_fg_off(h) (((h)->w0 & 0x00000fff))
#define fwnet_get_hdr_dgl(h) (((h)->w1 & 0xffff0000) >> 16)
-#define fwnet_set_hdr_lf(lf) ((lf) << 30)
+#define fwnet_set_hdr_lf(lf) ((lf) << 30)
#define fwnet_set_hdr_ether_type(et) (et)
-#define fwnet_set_hdr_dg_size(dgs) ((dgs) << 16)
+#define fwnet_set_hdr_dg_size(dgs) (((dgs) - 1) << 16)
#define fwnet_set_hdr_fg_off(fgo) (fgo)
#define fwnet_set_hdr_dgl(dgl) ((dgl) << 16)
@@ -578,6 +578,9 @@
int retval;
u16 ether_type;
+ if (len <= RFC2374_UNFRAG_HDR_SIZE)
+ return 0;
+
hdr.w0 = be32_to_cpu(buf[0]);
lf = fwnet_get_hdr_lf(&hdr);
if (lf == RFC2374_HDR_UNFRAG) {
@@ -602,7 +605,12 @@
return fwnet_finish_incoming_packet(net, skb, source_node_id,
is_broadcast, ether_type);
}
+
/* A datagram fragment has been received, now the fun begins. */
+
+ if (len <= RFC2374_FRAG_HDR_SIZE)
+ return 0;
+
hdr.w1 = ntohl(buf[1]);
buf += 2;
len -= RFC2374_FRAG_HDR_SIZE;
@@ -614,7 +622,10 @@
fg_off = fwnet_get_hdr_fg_off(&hdr);
}
datagram_label = fwnet_get_hdr_dgl(&hdr);
- dg_size = fwnet_get_hdr_dg_size(&hdr); /* ??? + 1 */
+ dg_size = fwnet_get_hdr_dg_size(&hdr);
+
+ if (fg_off + len > dg_size)
+ return 0;
spin_lock_irqsave(&dev->lock, flags);
@@ -722,6 +733,22 @@
fw_send_response(card, r, rcode);
}
+static int gasp_source_id(__be32 *p)
+{
+ return be32_to_cpu(p[0]) >> 16;
+}
+
+static u32 gasp_specifier_id(__be32 *p)
+{
+ return (be32_to_cpu(p[0]) & 0xffff) << 8 |
+ (be32_to_cpu(p[1]) & 0xff000000) >> 24;
+}
+
+static u32 gasp_version(__be32 *p)
+{
+ return be32_to_cpu(p[1]) & 0xffffff;
+}
+
static void fwnet_receive_broadcast(struct fw_iso_context *context,
u32 cycle, size_t header_length, void *header, void *data)
{
@@ -731,9 +758,6 @@
__be32 *buf_ptr;
int retval;
u32 length;
- u16 source_node_id;
- u32 specifier_id;
- u32 ver;
unsigned long offset;
unsigned long flags;
@@ -750,22 +774,17 @@
spin_unlock_irqrestore(&dev->lock, flags);
- specifier_id = (be32_to_cpu(buf_ptr[0]) & 0xffff) << 8
- | (be32_to_cpu(buf_ptr[1]) & 0xff000000) >> 24;
- ver = be32_to_cpu(buf_ptr[1]) & 0xffffff;
- source_node_id = be32_to_cpu(buf_ptr[0]) >> 16;
-
- if (specifier_id == IANA_SPECIFIER_ID &&
- (ver == RFC2734_SW_VERSION
+ if (length > IEEE1394_GASP_HDR_SIZE &&
+ gasp_specifier_id(buf_ptr) == IANA_SPECIFIER_ID &&
+ (gasp_version(buf_ptr) == RFC2734_SW_VERSION
#if IS_ENABLED(CONFIG_IPV6)
- || ver == RFC3146_SW_VERSION
+ || gasp_version(buf_ptr) == RFC3146_SW_VERSION
#endif
- )) {
- buf_ptr += 2;
- length -= IEEE1394_GASP_HDR_SIZE;
- fwnet_incoming_packet(dev, buf_ptr, length, source_node_id,
+ ))
+ fwnet_incoming_packet(dev, buf_ptr + 2,
+ length - IEEE1394_GASP_HDR_SIZE,
+ gasp_source_id(buf_ptr),
context->card->generation, true);
- }
packet.payload_length = dev->rcv_buffer_size;
packet.interrupt = 1;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index ff5566c..e8e962f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -532,6 +532,7 @@
u64 metadata_flags;
void *metadata;
u32 metadata_size;
+ unsigned prime_shared_count;
/* list of all virtual address to which this bo
* is associated to
*/
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
index f82a2dd..3c7a723 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
@@ -117,7 +117,7 @@
entry->allowed_domains = AMDGPU_GEM_DOMAIN_GTT;
}
entry->tv.bo = &entry->robj->tbo;
- entry->tv.shared = true;
+ entry->tv.shared = !entry->robj->prime_shared_count;
if (entry->prefered_domains == AMDGPU_GEM_DOMAIN_GDS)
gds_obj = entry->robj;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
index 59f735a..e6a7d30 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
@@ -77,20 +77,36 @@
list_add_tail(&bo->list, &adev->gem.objects);
mutex_unlock(&adev->gem.mutex);
+ bo->prime_shared_count = 1;
return &bo->gem_base;
}
int amdgpu_gem_prime_pin(struct drm_gem_object *obj)
{
struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
- int ret = 0;
+ long ret = 0;
ret = amdgpu_bo_reserve(bo, false);
if (unlikely(ret != 0))
return ret;
+ /*
+ * Wait for all shared fences to complete before we switch to future
+ * use of exclusive fence on this prime shared bo.
+ */
+ ret = reservation_object_wait_timeout_rcu(bo->tbo.resv, true, false,
+ MAX_SCHEDULE_TIMEOUT);
+ if (unlikely(ret < 0)) {
+ DRM_DEBUG_PRIME("Fence wait failed: %li\n", ret);
+ amdgpu_bo_unreserve(bo);
+ return ret;
+ }
+
/* pin buffer into GTT */
ret = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT, NULL);
+ if (likely(ret == 0))
+ bo->prime_shared_count++;
+
amdgpu_bo_unreserve(bo);
return ret;
}
@@ -105,6 +121,8 @@
return;
amdgpu_bo_unpin(bo);
+ if (bo->prime_shared_count)
+ bo->prime_shared_count--;
amdgpu_bo_unreserve(bo);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
index 21aacc1..7f85c2c 100644
--- a/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
+++ b/drivers/gpu/drm/amd/amdgpu/atombios_dp.c
@@ -265,15 +265,27 @@
unsigned max_lane_num = drm_dp_max_lane_count(dpcd);
unsigned lane_num, i, max_pix_clock;
- for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
- for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) {
- max_pix_clock = (lane_num * link_rates[i] * 8) / bpp;
+ if (amdgpu_connector_encoder_get_dp_bridge_encoder_id(connector) ==
+ ENCODER_OBJECT_ID_NUTMEG) {
+ for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
+ max_pix_clock = (lane_num * 270000 * 8) / bpp;
if (max_pix_clock >= pix_clock) {
*dp_lanes = lane_num;
- *dp_rate = link_rates[i];
+ *dp_rate = 270000;
return 0;
}
}
+ } else {
+ for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) {
+ for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
+ max_pix_clock = (lane_num * link_rates[i] * 8) / bpp;
+ if (max_pix_clock >= pix_clock) {
+ *dp_lanes = lane_num;
+ *dp_rate = link_rates[i];
+ return 0;
+ }
+ }
+ }
}
return -EINVAL;
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 2485fb6..7cb2815 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -909,6 +909,7 @@
/* no need to clean up vcpi
* as if we have no connector we never setup a vcpi */
drm_dp_port_teardown_pdt(port, port->pdt);
+ port->pdt = DP_PEER_DEVICE_NONE;
}
kfree(port);
}
@@ -1154,7 +1155,9 @@
drm_dp_put_port(port);
goto out;
}
- if (port->port_num >= DP_MST_LOGICAL_PORT_0) {
+ if ((port->pdt == DP_PEER_DEVICE_DP_LEGACY_CONV ||
+ port->pdt == DP_PEER_DEVICE_SST_SINK) &&
+ port->port_num >= DP_MST_LOGICAL_PORT_0) {
port->cached_edid = drm_get_edid(port->connector, &port->aux.ddc);
drm_mode_connector_set_tile_property(port->connector);
}
@@ -2872,6 +2875,7 @@
mgr->cbs->destroy_connector(mgr, port->connector);
drm_dp_port_teardown_pdt(port, port->pdt);
+ port->pdt = DP_PEER_DEVICE_NONE;
if (!port->input && port->vcpi.vcpi > 0) {
drm_dp_mst_reset_vcpi_slots(mgr, port);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index 7f55ba6..011211e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -101,7 +101,7 @@
return 0;
err:
- list_for_each_entry_reverse(subdrv, &subdrv->list, list) {
+ list_for_each_entry_continue_reverse(subdrv, &exynos_drm_subdrv_list, list) {
if (subdrv->close)
subdrv->close(dev, subdrv->dev, file);
}
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 3b92cad8..1ea8532 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1997,6 +1997,50 @@
intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_NONE;
}
+static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv,
+ enum port port)
+{
+ const struct ddi_vbt_port_info *info =
+ &dev_priv->vbt.ddi_port_info[port];
+ u8 ddc_pin;
+
+ if (info->alternate_ddc_pin) {
+ DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (VBT)\n",
+ info->alternate_ddc_pin, port_name(port));
+ return info->alternate_ddc_pin;
+ }
+
+ switch (port) {
+ case PORT_B:
+ if (IS_BROXTON(dev_priv))
+ ddc_pin = GMBUS_PIN_1_BXT;
+ else
+ ddc_pin = GMBUS_PIN_DPB;
+ break;
+ case PORT_C:
+ if (IS_BROXTON(dev_priv))
+ ddc_pin = GMBUS_PIN_2_BXT;
+ else
+ ddc_pin = GMBUS_PIN_DPC;
+ break;
+ case PORT_D:
+ if (IS_CHERRYVIEW(dev_priv))
+ ddc_pin = GMBUS_PIN_DPD_CHV;
+ else
+ ddc_pin = GMBUS_PIN_DPD;
+ break;
+ default:
+ MISSING_CASE(port);
+ ddc_pin = GMBUS_PIN_DPB;
+ break;
+ }
+
+ DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (platform default)\n",
+ ddc_pin, port_name(port));
+
+ return ddc_pin;
+}
+
void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
struct intel_connector *intel_connector)
{
@@ -2006,7 +2050,6 @@
struct drm_device *dev = intel_encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
enum port port = intel_dig_port->port;
- uint8_t alternate_ddc_pin;
DRM_DEBUG_KMS("Adding HDMI connector on port %c\n",
port_name(port));
@@ -2019,12 +2062,10 @@
connector->doublescan_allowed = 0;
connector->stereo_allowed = 1;
+ intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port);
+
switch (port) {
case PORT_B:
- if (IS_BROXTON(dev_priv))
- intel_hdmi->ddc_bus = GMBUS_PIN_1_BXT;
- else
- intel_hdmi->ddc_bus = GMBUS_PIN_DPB;
/*
* On BXT A0/A1, sw needs to activate DDIA HPD logic and
* interrupts to check the external panel connection.
@@ -2035,46 +2076,17 @@
intel_encoder->hpd_pin = HPD_PORT_B;
break;
case PORT_C:
- if (IS_BROXTON(dev_priv))
- intel_hdmi->ddc_bus = GMBUS_PIN_2_BXT;
- else
- intel_hdmi->ddc_bus = GMBUS_PIN_DPC;
intel_encoder->hpd_pin = HPD_PORT_C;
break;
case PORT_D:
- if (WARN_ON(IS_BROXTON(dev_priv)))
- intel_hdmi->ddc_bus = GMBUS_PIN_DISABLED;
- else if (IS_CHERRYVIEW(dev_priv))
- intel_hdmi->ddc_bus = GMBUS_PIN_DPD_CHV;
- else
- intel_hdmi->ddc_bus = GMBUS_PIN_DPD;
intel_encoder->hpd_pin = HPD_PORT_D;
break;
case PORT_E:
- /* On SKL PORT E doesn't have seperate GMBUS pin
- * We rely on VBT to set a proper alternate GMBUS pin. */
- alternate_ddc_pin =
- dev_priv->vbt.ddi_port_info[PORT_E].alternate_ddc_pin;
- switch (alternate_ddc_pin) {
- case DDC_PIN_B:
- intel_hdmi->ddc_bus = GMBUS_PIN_DPB;
- break;
- case DDC_PIN_C:
- intel_hdmi->ddc_bus = GMBUS_PIN_DPC;
- break;
- case DDC_PIN_D:
- intel_hdmi->ddc_bus = GMBUS_PIN_DPD;
- break;
- default:
- MISSING_CASE(alternate_ddc_pin);
- }
intel_encoder->hpd_pin = HPD_PORT_E;
break;
- case PORT_A:
- intel_encoder->hpd_pin = HPD_PORT_A;
- /* Internal port only for eDP. */
default:
- BUG();
+ MISSING_CASE(port);
+ return;
}
if (IS_VALLEYVIEW(dev)) {
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 79bab6f..6755d47 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -275,6 +275,8 @@
atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
atombios_blank_crtc(crtc, ATOM_DISABLE);
drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
+ /* Make sure vblank interrupt is still enabled if needed */
+ radeon_irq_set(rdev);
radeon_crtc_load_lut(crtc);
break;
case DRM_MODE_DPMS_STANDBY:
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 44ee72e..b576085 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -315,15 +315,27 @@
unsigned max_lane_num = drm_dp_max_lane_count(dpcd);
unsigned lane_num, i, max_pix_clock;
- for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
- for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) {
- max_pix_clock = (lane_num * link_rates[i] * 8) / bpp;
+ if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
+ ENCODER_OBJECT_ID_NUTMEG) {
+ for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
+ max_pix_clock = (lane_num * 270000 * 8) / bpp;
if (max_pix_clock >= pix_clock) {
*dp_lanes = lane_num;
- *dp_rate = link_rates[i];
+ *dp_rate = 270000;
return 0;
}
}
+ } else {
+ for (i = 0; i < ARRAY_SIZE(link_rates) && link_rates[i] <= max_link_rate; i++) {
+ for (lane_num = 1; lane_num <= max_lane_num; lane_num <<= 1) {
+ max_pix_clock = (lane_num * link_rates[i] * 8) / bpp;
+ if (max_pix_clock >= pix_clock) {
+ *dp_lanes = lane_num;
+ *dp_rate = link_rates[i];
+ return 0;
+ }
+ }
+ }
}
return -EINVAL;
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 158872e..a3a3212 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1396,9 +1396,7 @@
void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
int ring, u32 cp_int_cntl)
{
- u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
-
- WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
+ WREG32(SRBM_GFX_CNTL, RINGID(ring));
WREG32(CP_INT_CNTL, cp_int_cntl);
}
diff --git a/drivers/gpu/drm/radeon/radeon_dp_auxch.c b/drivers/gpu/drm/radeon/radeon_dp_auxch.c
index db64e00..3b0c229 100644
--- a/drivers/gpu/drm/radeon/radeon_dp_auxch.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_auxch.c
@@ -105,7 +105,7 @@
tmp &= AUX_HPD_SEL(0x7);
tmp |= AUX_HPD_SEL(chan->rec.hpd);
- tmp |= AUX_EN | AUX_LS_READ_EN | AUX_HPD_DISCON(0x1);
+ tmp |= AUX_EN | AUX_LS_READ_EN;
WREG32(AUX_CONTROL + aux_offset[instance], tmp);
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 678b438..89f22bd 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -331,6 +331,8 @@
WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl));
}
drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
+ /* Make sure vblank interrupt is still enabled if needed */
+ radeon_irq_set(rdev);
radeon_crtc_load_lut(crtc);
break;
case DRM_MODE_DPMS_STANDBY:
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 472e077..10191b9 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2999,6 +2999,49 @@
int i;
struct si_dpm_quirk *p = si_dpm_quirk_list;
+ /* limit all SI kickers */
+ if (rdev->family == CHIP_PITCAIRN) {
+ if ((rdev->pdev->revision == 0x81) ||
+ (rdev->pdev->device == 0x6810) ||
+ (rdev->pdev->device == 0x6811) ||
+ (rdev->pdev->device == 0x6816) ||
+ (rdev->pdev->device == 0x6817) ||
+ (rdev->pdev->device == 0x6806))
+ max_mclk = 120000;
+ } else if (rdev->family == CHIP_VERDE) {
+ if ((rdev->pdev->revision == 0x81) ||
+ (rdev->pdev->revision == 0x83) ||
+ (rdev->pdev->revision == 0x87) ||
+ (rdev->pdev->device == 0x6820) ||
+ (rdev->pdev->device == 0x6821) ||
+ (rdev->pdev->device == 0x6822) ||
+ (rdev->pdev->device == 0x6823) ||
+ (rdev->pdev->device == 0x682A) ||
+ (rdev->pdev->device == 0x682B)) {
+ max_sclk = 75000;
+ max_mclk = 80000;
+ }
+ } else if (rdev->family == CHIP_OLAND) {
+ if ((rdev->pdev->revision == 0xC7) ||
+ (rdev->pdev->revision == 0x80) ||
+ (rdev->pdev->revision == 0x81) ||
+ (rdev->pdev->revision == 0x83) ||
+ (rdev->pdev->device == 0x6604) ||
+ (rdev->pdev->device == 0x6605)) {
+ max_sclk = 75000;
+ max_mclk = 80000;
+ }
+ } else if (rdev->family == CHIP_HAINAN) {
+ if ((rdev->pdev->revision == 0x81) ||
+ (rdev->pdev->revision == 0x83) ||
+ (rdev->pdev->revision == 0xC3) ||
+ (rdev->pdev->device == 0x6664) ||
+ (rdev->pdev->device == 0x6665) ||
+ (rdev->pdev->device == 0x6667)) {
+ max_sclk = 75000;
+ max_mclk = 80000;
+ }
+ }
/* Apply dpm quirks */
while (p && p->chip_device != 0) {
if (rdev->pdev->vendor == p->chip_vendor &&
@@ -3011,16 +3054,6 @@
}
++p;
}
- /* limit mclk on all R7 370 parts for stability */
- if (rdev->pdev->device == 0x6811 &&
- rdev->pdev->revision == 0x81)
- max_mclk = 120000;
- /* limit sclk/mclk on Jet parts for stability */
- if (rdev->pdev->device == 0x6665 &&
- rdev->pdev->revision == 0xc3) {
- max_sclk = 75000;
- max_mclk = 80000;
- }
if (rps->vce_active) {
rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 909ab01..e370306 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -168,6 +168,7 @@
#define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
#define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
#define USB_DEVICE_ID_ATEN_CS682 0x2213
+#define USB_DEVICE_ID_ATEN_CS692 0x8021
#define USB_VENDOR_ID_ATMEL 0x03eb
#define USB_DEVICE_ID_ATMEL_MULTITOUCH 0x211c
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index dc8e6ad..6ca6ab0 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -61,6 +61,7 @@
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS682, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS692, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FIGHTERSTICK, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE, HID_QUIRK_NOGET },
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index 7994ec2..41f5896 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -283,10 +283,14 @@
u8 *hbeat_txf_buf = util_heartbeat.recv_buffer;
struct icmsg_negotiate *negop = NULL;
- vmbus_recvpacket(channel, hbeat_txf_buf,
- PAGE_SIZE, &recvlen, &requestid);
+ while (1) {
- if (recvlen > 0) {
+ vmbus_recvpacket(channel, hbeat_txf_buf,
+ PAGE_SIZE, &recvlen, &requestid);
+
+ if (!recvlen)
+ break;
+
icmsghdrp = (struct icmsg_hdr *)&hbeat_txf_buf[
sizeof(struct vmbuspipe_hdr)];
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 78fbee4..65dbde7 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -59,7 +59,6 @@
config I2C_MUX
tristate "I2C bus multiplexing support"
- depends on HAS_IOMEM
help
Say Y here if you want the I2C core to support the ability to
handle multiplexed I2C bus topologies, by presenting each
diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c b/drivers/i2c/busses/i2c-xgene-slimpro.c
index 4233f56..3c38029 100644
--- a/drivers/i2c/busses/i2c-xgene-slimpro.c
+++ b/drivers/i2c/busses/i2c-xgene-slimpro.c
@@ -105,7 +105,7 @@
struct mbox_chan *mbox_chan;
struct mbox_client mbox_client;
struct completion rd_complete;
- u8 dma_buffer[I2C_SMBUS_BLOCK_MAX];
+ u8 dma_buffer[I2C_SMBUS_BLOCK_MAX + 1]; /* dma_buffer[0] is used for length */
u32 *resp_msg;
};
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index ba8eb08..d625167 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1876,6 +1876,7 @@
/* add the driver to the list of i2c drivers in the driver core */
driver->driver.owner = owner;
driver->driver.bus = &i2c_bus_type;
+ INIT_LIST_HEAD(&driver->clients);
/* When registration returns, the driver core
* will have called probe() for all matching-but-unbound devices.
@@ -1886,7 +1887,6 @@
pr_debug("i2c-core: driver [%s] registered\n", driver->driver.name);
- INIT_LIST_HEAD(&driver->clients);
/* Walk the adapters that are already present */
i2c_for_each_dev(driver, __process_new_driver);
diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig
index f06b0e2..af2a63c 100644
--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -63,6 +63,7 @@
config I2C_MUX_REG
tristate "Register-based I2C multiplexer"
+ depends on HAS_IOMEM
help
If you say yes to this option, support will be included for a
register based I2C multiplexer. This driver provides access to
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
index dc33c1d..b5beea53 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
@@ -30,26 +30,26 @@
u32 usage_id;
int unit; /* 0 for default others from HID sensor spec */
int scale_val0; /* scale, whole number */
- int scale_val1; /* scale, fraction in micros */
+ int scale_val1; /* scale, fraction in nanos */
} unit_conversion[] = {
- {HID_USAGE_SENSOR_ACCEL_3D, 0, 9, 806650},
+ {HID_USAGE_SENSOR_ACCEL_3D, 0, 9, 806650000},
{HID_USAGE_SENSOR_ACCEL_3D,
HID_USAGE_SENSOR_UNITS_METERS_PER_SEC_SQRD, 1, 0},
{HID_USAGE_SENSOR_ACCEL_3D,
- HID_USAGE_SENSOR_UNITS_G, 9, 806650},
+ HID_USAGE_SENSOR_UNITS_G, 9, 806650000},
- {HID_USAGE_SENSOR_GYRO_3D, 0, 0, 17453},
+ {HID_USAGE_SENSOR_GYRO_3D, 0, 0, 17453293},
{HID_USAGE_SENSOR_GYRO_3D,
HID_USAGE_SENSOR_UNITS_RADIANS_PER_SECOND, 1, 0},
{HID_USAGE_SENSOR_GYRO_3D,
- HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND, 0, 17453},
+ HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND, 0, 17453293},
- {HID_USAGE_SENSOR_COMPASS_3D, 0, 0, 1000},
+ {HID_USAGE_SENSOR_COMPASS_3D, 0, 0, 1000000},
{HID_USAGE_SENSOR_COMPASS_3D, HID_USAGE_SENSOR_UNITS_GAUSS, 1, 0},
- {HID_USAGE_SENSOR_INCLINOMETER_3D, 0, 0, 17453},
+ {HID_USAGE_SENSOR_INCLINOMETER_3D, 0, 0, 17453293},
{HID_USAGE_SENSOR_INCLINOMETER_3D,
- HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453},
+ HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453293},
{HID_USAGE_SENSOR_INCLINOMETER_3D,
HID_USAGE_SENSOR_UNITS_RADIANS, 1, 0},
@@ -57,7 +57,7 @@
{HID_USAGE_SENSOR_ALS, HID_USAGE_SENSOR_UNITS_LUX, 1, 0},
{HID_USAGE_SENSOR_PRESSURE, 0, 100, 0},
- {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000},
+ {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000000},
};
static int pow_10(unsigned power)
@@ -266,15 +266,15 @@
/*
* This fuction applies the unit exponent to the scale.
* For example:
- * 9.806650 ->exp:2-> val0[980]val1[665000]
- * 9.000806 ->exp:2-> val0[900]val1[80600]
- * 0.174535 ->exp:2-> val0[17]val1[453500]
- * 1.001745 ->exp:0-> val0[1]val1[1745]
- * 1.001745 ->exp:2-> val0[100]val1[174500]
- * 1.001745 ->exp:4-> val0[10017]val1[450000]
- * 9.806650 ->exp:-2-> val0[0]val1[98066]
+ * 9.806650000 ->exp:2-> val0[980]val1[665000000]
+ * 9.000806000 ->exp:2-> val0[900]val1[80600000]
+ * 0.174535293 ->exp:2-> val0[17]val1[453529300]
+ * 1.001745329 ->exp:0-> val0[1]val1[1745329]
+ * 1.001745329 ->exp:2-> val0[100]val1[174532900]
+ * 1.001745329 ->exp:4-> val0[10017]val1[453290000]
+ * 9.806650000 ->exp:-2-> val0[0]val1[98066500]
*/
-static void adjust_exponent_micro(int *val0, int *val1, int scale0,
+static void adjust_exponent_nano(int *val0, int *val1, int scale0,
int scale1, int exp)
{
int i;
@@ -285,32 +285,32 @@
if (exp > 0) {
*val0 = scale0 * pow_10(exp);
res = 0;
- if (exp > 6) {
+ if (exp > 9) {
*val1 = 0;
return;
}
for (i = 0; i < exp; ++i) {
- x = scale1 / pow_10(5 - i);
+ x = scale1 / pow_10(8 - i);
res += (pow_10(exp - 1 - i) * x);
- scale1 = scale1 % pow_10(5 - i);
+ scale1 = scale1 % pow_10(8 - i);
}
*val0 += res;
*val1 = scale1 * pow_10(exp);
} else if (exp < 0) {
exp = abs(exp);
- if (exp > 6) {
+ if (exp > 9) {
*val0 = *val1 = 0;
return;
}
*val0 = scale0 / pow_10(exp);
rem = scale0 % pow_10(exp);
res = 0;
- for (i = 0; i < (6 - exp); ++i) {
- x = scale1 / pow_10(5 - i);
- res += (pow_10(5 - exp - i) * x);
- scale1 = scale1 % pow_10(5 - i);
+ for (i = 0; i < (9 - exp); ++i) {
+ x = scale1 / pow_10(8 - i);
+ res += (pow_10(8 - exp - i) * x);
+ scale1 = scale1 % pow_10(8 - i);
}
- *val1 = rem * pow_10(6 - exp) + res;
+ *val1 = rem * pow_10(9 - exp) + res;
} else {
*val0 = scale0;
*val1 = scale1;
@@ -332,14 +332,14 @@
unit_conversion[i].unit == attr_info->units) {
exp = hid_sensor_convert_exponent(
attr_info->unit_expo);
- adjust_exponent_micro(val0, val1,
+ adjust_exponent_nano(val0, val1,
unit_conversion[i].scale_val0,
unit_conversion[i].scale_val1, exp);
break;
}
}
- return IIO_VAL_INT_PLUS_MICRO;
+ return IIO_VAL_INT_PLUS_NANO;
}
EXPORT_SYMBOL(hid_sensor_format_scale);
diff --git a/drivers/iio/orientation/hid-sensor-rotation.c b/drivers/iio/orientation/hid-sensor-rotation.c
index b98b9d9..a97e802c 100644
--- a/drivers/iio/orientation/hid-sensor-rotation.c
+++ b/drivers/iio/orientation/hid-sensor-rotation.c
@@ -335,6 +335,7 @@
.id_table = hid_dev_rot_ids,
.driver = {
.name = KBUILD_MODNAME,
+ .pm = &hid_sensor_pm_ops,
},
.probe = hid_dev_rot_probe,
.remove = hid_dev_rot_remove,
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 4d8e7f1..941cd9b 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -80,6 +80,8 @@
__be32 random_id_operand;
struct list_head timewait_list;
struct workqueue_struct *wq;
+ /* Sync on cm change port state */
+ spinlock_t state_lock;
} cm;
/* Counter indexes ordered by attribute ID */
@@ -161,6 +163,8 @@
struct ib_mad_agent *mad_agent;
struct kobject port_obj;
u8 port_num;
+ struct list_head cm_priv_prim_list;
+ struct list_head cm_priv_altr_list;
struct cm_counter_group counter_group[CM_COUNTER_GROUPS];
};
@@ -241,6 +245,12 @@
u8 service_timeout;
u8 target_ack_delay;
+ struct list_head prim_list;
+ struct list_head altr_list;
+ /* Indicates that the send port mad is registered and av is set */
+ int prim_send_port_not_ready;
+ int altr_send_port_not_ready;
+
struct list_head work_list;
atomic_t work_count;
};
@@ -259,20 +269,47 @@
struct ib_mad_agent *mad_agent;
struct ib_mad_send_buf *m;
struct ib_ah *ah;
+ struct cm_av *av;
+ unsigned long flags, flags2;
+ int ret = 0;
+ /* don't let the port to be released till the agent is down */
+ spin_lock_irqsave(&cm.state_lock, flags2);
+ spin_lock_irqsave(&cm.lock, flags);
+ if (!cm_id_priv->prim_send_port_not_ready)
+ av = &cm_id_priv->av;
+ else if (!cm_id_priv->altr_send_port_not_ready &&
+ (cm_id_priv->alt_av.port))
+ av = &cm_id_priv->alt_av;
+ else {
+ pr_info("%s: not valid CM id\n", __func__);
+ ret = -ENODEV;
+ spin_unlock_irqrestore(&cm.lock, flags);
+ goto out;
+ }
+ spin_unlock_irqrestore(&cm.lock, flags);
+ /* Make sure the port haven't released the mad yet */
mad_agent = cm_id_priv->av.port->mad_agent;
- ah = ib_create_ah(mad_agent->qp->pd, &cm_id_priv->av.ah_attr);
- if (IS_ERR(ah))
- return PTR_ERR(ah);
+ if (!mad_agent) {
+ pr_info("%s: not a valid MAD agent\n", __func__);
+ ret = -ENODEV;
+ goto out;
+ }
+ ah = ib_create_ah(mad_agent->qp->pd, &av->ah_attr);
+ if (IS_ERR(ah)) {
+ ret = PTR_ERR(ah);
+ goto out;
+ }
m = ib_create_send_mad(mad_agent, cm_id_priv->id.remote_cm_qpn,
- cm_id_priv->av.pkey_index,
+ av->pkey_index,
0, IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA,
GFP_ATOMIC,
IB_MGMT_BASE_VERSION);
if (IS_ERR(m)) {
ib_destroy_ah(ah);
- return PTR_ERR(m);
+ ret = PTR_ERR(m);
+ goto out;
}
/* Timeout set by caller if response is expected. */
@@ -282,7 +319,10 @@
atomic_inc(&cm_id_priv->refcount);
m->context[0] = cm_id_priv;
*msg = m;
- return 0;
+
+out:
+ spin_unlock_irqrestore(&cm.state_lock, flags2);
+ return ret;
}
static int cm_alloc_response_msg(struct cm_port *port,
@@ -352,7 +392,8 @@
grh, &av->ah_attr);
}
-static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av)
+static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av,
+ struct cm_id_private *cm_id_priv)
{
struct cm_device *cm_dev;
struct cm_port *port = NULL;
@@ -387,7 +428,17 @@
&av->ah_attr);
av->timeout = path->packet_life_time + 1;
- return 0;
+ spin_lock_irqsave(&cm.lock, flags);
+ if (&cm_id_priv->av == av)
+ list_add_tail(&cm_id_priv->prim_list, &port->cm_priv_prim_list);
+ else if (&cm_id_priv->alt_av == av)
+ list_add_tail(&cm_id_priv->altr_list, &port->cm_priv_altr_list);
+ else
+ ret = -EINVAL;
+
+ spin_unlock_irqrestore(&cm.lock, flags);
+
+ return ret;
}
static int cm_alloc_id(struct cm_id_private *cm_id_priv)
@@ -677,6 +728,8 @@
spin_lock_init(&cm_id_priv->lock);
init_completion(&cm_id_priv->comp);
INIT_LIST_HEAD(&cm_id_priv->work_list);
+ INIT_LIST_HEAD(&cm_id_priv->prim_list);
+ INIT_LIST_HEAD(&cm_id_priv->altr_list);
atomic_set(&cm_id_priv->work_count, -1);
atomic_set(&cm_id_priv->refcount, 1);
return &cm_id_priv->id;
@@ -892,6 +945,15 @@
break;
}
+ spin_lock_irq(&cm.lock);
+ if (!list_empty(&cm_id_priv->altr_list) &&
+ (!cm_id_priv->altr_send_port_not_ready))
+ list_del(&cm_id_priv->altr_list);
+ if (!list_empty(&cm_id_priv->prim_list) &&
+ (!cm_id_priv->prim_send_port_not_ready))
+ list_del(&cm_id_priv->prim_list);
+ spin_unlock_irq(&cm.lock);
+
cm_free_id(cm_id->local_id);
cm_deref_id(cm_id_priv);
wait_for_completion(&cm_id_priv->comp);
@@ -1192,12 +1254,13 @@
goto out;
}
- ret = cm_init_av_by_path(param->primary_path, &cm_id_priv->av);
+ ret = cm_init_av_by_path(param->primary_path, &cm_id_priv->av,
+ cm_id_priv);
if (ret)
goto error1;
if (param->alternate_path) {
ret = cm_init_av_by_path(param->alternate_path,
- &cm_id_priv->alt_av);
+ &cm_id_priv->alt_av, cm_id_priv);
if (ret)
goto error1;
}
@@ -1639,7 +1702,8 @@
cm_format_paths_from_req(req_msg, &work->path[0], &work->path[1]);
memcpy(work->path[0].dmac, cm_id_priv->av.ah_attr.dmac, ETH_ALEN);
- ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av);
+ ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av,
+ cm_id_priv);
if (ret) {
ib_get_cached_gid(work->port->cm_dev->ib_device,
work->port->port_num, 0, &work->path[0].sgid,
@@ -1650,7 +1714,8 @@
goto rejected;
}
if (req_msg->alt_local_lid) {
- ret = cm_init_av_by_path(&work->path[1], &cm_id_priv->alt_av);
+ ret = cm_init_av_by_path(&work->path[1], &cm_id_priv->alt_av,
+ cm_id_priv);
if (ret) {
ib_send_cm_rej(cm_id, IB_CM_REJ_INVALID_ALT_GID,
&work->path[0].sgid,
@@ -2705,7 +2770,8 @@
goto out;
}
- ret = cm_init_av_by_path(alternate_path, &cm_id_priv->alt_av);
+ ret = cm_init_av_by_path(alternate_path, &cm_id_priv->alt_av,
+ cm_id_priv);
if (ret)
goto out;
cm_id_priv->alt_av.timeout =
@@ -2817,7 +2883,8 @@
cm_init_av_for_response(work->port, work->mad_recv_wc->wc,
work->mad_recv_wc->recv_buf.grh,
&cm_id_priv->av);
- cm_init_av_by_path(param->alternate_path, &cm_id_priv->alt_av);
+ cm_init_av_by_path(param->alternate_path, &cm_id_priv->alt_av,
+ cm_id_priv);
ret = atomic_inc_and_test(&cm_id_priv->work_count);
if (!ret)
list_add_tail(&work->list, &cm_id_priv->work_list);
@@ -3009,7 +3076,7 @@
return -EINVAL;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
- ret = cm_init_av_by_path(param->path, &cm_id_priv->av);
+ ret = cm_init_av_by_path(param->path, &cm_id_priv->av, cm_id_priv);
if (ret)
goto out;
@@ -3446,7 +3513,9 @@
static int cm_migrate(struct ib_cm_id *cm_id)
{
struct cm_id_private *cm_id_priv;
+ struct cm_av tmp_av;
unsigned long flags;
+ int tmp_send_port_not_ready;
int ret = 0;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
@@ -3455,7 +3524,14 @@
(cm_id->lap_state == IB_CM_LAP_UNINIT ||
cm_id->lap_state == IB_CM_LAP_IDLE)) {
cm_id->lap_state = IB_CM_LAP_IDLE;
+ /* Swap address vector */
+ tmp_av = cm_id_priv->av;
cm_id_priv->av = cm_id_priv->alt_av;
+ cm_id_priv->alt_av = tmp_av;
+ /* Swap port send ready state */
+ tmp_send_port_not_ready = cm_id_priv->prim_send_port_not_ready;
+ cm_id_priv->prim_send_port_not_ready = cm_id_priv->altr_send_port_not_ready;
+ cm_id_priv->altr_send_port_not_ready = tmp_send_port_not_ready;
} else
ret = -EINVAL;
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
@@ -3875,6 +3951,9 @@
port->cm_dev = cm_dev;
port->port_num = i;
+ INIT_LIST_HEAD(&port->cm_priv_prim_list);
+ INIT_LIST_HEAD(&port->cm_priv_altr_list);
+
ret = cm_create_port_fs(port);
if (ret)
goto error1;
@@ -3932,6 +4011,8 @@
{
struct cm_device *cm_dev = client_data;
struct cm_port *port;
+ struct cm_id_private *cm_id_priv;
+ struct ib_mad_agent *cur_mad_agent;
struct ib_port_modify port_modify = {
.clr_port_cap_mask = IB_PORT_CM_SUP
};
@@ -3955,15 +4036,27 @@
port = cm_dev->port[i-1];
ib_modify_port(ib_device, port->port_num, 0, &port_modify);
+ /* Mark all the cm_id's as not valid */
+ spin_lock_irq(&cm.lock);
+ list_for_each_entry(cm_id_priv, &port->cm_priv_altr_list, altr_list)
+ cm_id_priv->altr_send_port_not_ready = 1;
+ list_for_each_entry(cm_id_priv, &port->cm_priv_prim_list, prim_list)
+ cm_id_priv->prim_send_port_not_ready = 1;
+ spin_unlock_irq(&cm.lock);
/*
* We flush the queue here after the going_down set, this
* verify that no new works will be queued in the recv handler,
* after that we can call the unregister_mad_agent
*/
flush_workqueue(cm.wq);
- ib_unregister_mad_agent(port->mad_agent);
+ spin_lock_irq(&cm.state_lock);
+ cur_mad_agent = port->mad_agent;
+ port->mad_agent = NULL;
+ spin_unlock_irq(&cm.state_lock);
+ ib_unregister_mad_agent(cur_mad_agent);
cm_remove_port_fs(port);
}
+
device_unregister(cm_dev->device);
kfree(cm_dev);
}
@@ -3976,6 +4069,7 @@
INIT_LIST_HEAD(&cm.device_list);
rwlock_init(&cm.device_lock);
spin_lock_init(&cm.lock);
+ spin_lock_init(&cm.state_lock);
cm.listen_service_table = RB_ROOT;
cm.listen_service_id = be64_to_cpu(IB_CM_ASSIGN_SERVICE_ID);
cm.remote_id_table = RB_ROOT;
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 38acb3c..04f3c0d 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -175,7 +175,7 @@
cur_base = addr & PAGE_MASK;
- if (npages == 0) {
+ if (npages == 0 || npages > UINT_MAX) {
ret = -EINVAL;
goto out;
}
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index d625c82..7becef2 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -244,12 +244,9 @@
container_of(uobj, struct ib_uqp_object, uevent.uobject);
idr_remove_uobj(&ib_uverbs_qp_idr, uobj);
- if (qp != qp->real_qp) {
- ib_close_qp(qp);
- } else {
+ if (qp == qp->real_qp)
ib_uverbs_detach_umcast(qp, uqp);
- ib_destroy_qp(qp);
- }
+ ib_destroy_qp(qp);
ib_uverbs_release_uevent(file, &uqp->uevent);
kfree(uqp);
}
diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c
index 06da56b..c007c76 100644
--- a/drivers/infiniband/hw/mlx4/ah.c
+++ b/drivers/infiniband/hw/mlx4/ah.c
@@ -102,7 +102,10 @@
if (vlan_tag < 0x1000)
vlan_tag |= (ah_attr->sl & 7) << 13;
ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24));
- ah->av.eth.gid_index = mlx4_ib_gid_index_to_real_index(ibdev, ah_attr->port_num, ah_attr->grh.sgid_index);
+ ret = mlx4_ib_gid_index_to_real_index(ibdev, ah_attr->port_num, ah_attr->grh.sgid_index);
+ if (ret < 0)
+ return ERR_PTR(ret);
+ ah->av.eth.gid_index = ret;
ah->av.eth.vlan = cpu_to_be16(vlan_tag);
if (ah_attr->static_rate) {
ah->av.eth.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET;
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index b88fc8f..57e1a08 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -253,11 +253,14 @@
if (context)
if (ib_copy_to_udata(udata, &cq->mcq.cqn, sizeof (__u32))) {
err = -EFAULT;
- goto err_dbmap;
+ goto err_cq_free;
}
return &cq->ibcq;
+err_cq_free:
+ mlx4_cq_free(dev->dev, &cq->mcq);
+
err_dbmap:
if (context)
mlx4_ib_db_unmap_user(to_mucontext(context), &cq->db);
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index 8184267..02c8dea 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -787,8 +787,7 @@
if (err)
goto err_create;
} else {
- /* for now choose 64 bytes till we have a proper interface */
- cqe_size = 64;
+ cqe_size = cache_line_size() == 128 ? 128 : 64;
err = create_cq_kernel(dev, cq, entries, cqe_size, &cqb,
&index, &inlen);
if (err)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index bfc940f..2a1fdca 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -947,13 +947,13 @@
{
struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context;
struct ib_event ibev;
-
+ bool fatal = false;
u8 port = 0;
switch (event) {
case MLX5_DEV_EVENT_SYS_ERROR:
- ibdev->ib_active = false;
ibev.event = IB_EVENT_DEVICE_FATAL;
+ fatal = true;
break;
case MLX5_DEV_EVENT_PORT_UP:
@@ -998,6 +998,9 @@
if (ibdev->ib_active)
ib_dispatch_event(&ibev);
+
+ if (fatal)
+ ibdev->ib_active = false;
}
static void get_ext_port_caps(struct mlx5_ib_dev *dev)
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index f4bfb4b..073246c 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -877,6 +877,13 @@
DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
},
},
+ {
+ /* Schenker XMG C504 - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
+ },
+ },
{ }
};
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 0397985..5975d76 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1833,6 +1833,9 @@
kfree(dom->aperture[i]);
}
+ if (dom->domain.id)
+ domain_id_free(dom->domain.id);
+
kfree(dom);
}
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 565bb2c..e913a93 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -326,7 +326,9 @@
struct pci_dev *pdev = to_pci_dev(data);
struct dmar_pci_notify_info *info;
- /* Only care about add/remove events for physical functions */
+ /* Only care about add/remove events for physical functions.
+ * For VFs we actually do the lookup based on the corresponding
+ * PF in device_to_iommu() anyway. */
if (pdev->is_virtfn)
return NOTIFY_DONE;
if (action != BUS_NOTIFY_ADD_DEVICE &&
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index b7f852d..59e9abd 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -885,7 +885,13 @@
return NULL;
if (dev_is_pci(dev)) {
+ struct pci_dev *pf_pdev;
+
pdev = to_pci_dev(dev);
+ /* VFs aren't listed in scope tables; we need to look up
+ * the PF instead to find the IOMMU. */
+ pf_pdev = pci_physfn(pdev);
+ dev = &pf_pdev->dev;
segment = pci_domain_nr(pdev->bus);
} else if (has_acpi_companion(dev))
dev = &ACPI_COMPANION(dev)->dev;
@@ -898,6 +904,13 @@
for_each_active_dev_scope(drhd->devices,
drhd->devices_cnt, i, tmp) {
if (tmp == dev) {
+ /* For a VF use its original BDF# not that of the PF
+ * which we used for the IOMMU lookup. Strictly speaking
+ * we could do this for all PCI devices; we only need to
+ * get the BDF# from the scope table for ACPI matches. */
+ if (pdev->is_virtfn)
+ goto got_pdev;
+
*bus = drhd->devices[i].bus;
*devfn = drhd->devices[i].devfn;
goto out;
@@ -1672,6 +1685,7 @@
if (!iommu->domains || !iommu->domain_ids)
return;
+again:
spin_lock_irqsave(&device_domain_lock, flags);
list_for_each_entry_safe(info, tmp, &device_domain_list, global) {
struct dmar_domain *domain;
@@ -1684,10 +1698,19 @@
domain = info->domain;
- dmar_remove_one_dev_info(domain, info->dev);
+ __dmar_remove_one_dev_info(info);
- if (!domain_type_is_vm_or_si(domain))
+ if (!domain_type_is_vm_or_si(domain)) {
+ /*
+ * The domain_exit() function can't be called under
+ * device_domain_lock, as it takes this lock itself.
+ * So release the lock here and re-run the loop
+ * afterwards.
+ */
+ spin_unlock_irqrestore(&device_domain_lock, flags);
domain_exit(domain);
+ goto again;
+ }
}
spin_unlock_irqrestore(&device_domain_lock, flags);
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index d9939fa..f929879 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -39,10 +39,18 @@
struct page *pages;
int order;
- order = ecap_pss(iommu->ecap) + 7 - PAGE_SHIFT;
- if (order < 0)
- order = 0;
+ /* Start at 2 because it's defined as 2^(1+PSS) */
+ iommu->pasid_max = 2 << ecap_pss(iommu->ecap);
+ /* Eventually I'm promised we will get a multi-level PASID table
+ * and it won't have to be physically contiguous. Until then,
+ * limit the size because 8MiB contiguous allocations can be hard
+ * to come by. The limit of 0x20000, which is 1MiB for each of
+ * the PASID and PASID-state tables, is somewhat arbitrary. */
+ if (iommu->pasid_max > 0x20000)
+ iommu->pasid_max = 0x20000;
+
+ order = get_order(sizeof(struct pasid_entry) * iommu->pasid_max);
pages = alloc_pages(GFP_KERNEL | __GFP_ZERO, order);
if (!pages) {
pr_warn("IOMMU: %s: Failed to allocate PASID table\n",
@@ -53,6 +61,8 @@
pr_info("%s: Allocated order %d PASID table.\n", iommu->name, order);
if (ecap_dis(iommu->ecap)) {
+ /* Just making it explicit... */
+ BUILD_BUG_ON(sizeof(struct pasid_entry) != sizeof(struct pasid_state_entry));
pages = alloc_pages(GFP_KERNEL | __GFP_ZERO, order);
if (pages)
iommu->pasid_state_table = page_address(pages);
@@ -68,11 +78,7 @@
int intel_svm_free_pasid_tables(struct intel_iommu *iommu)
{
- int order;
-
- order = ecap_pss(iommu->ecap) + 7 - PAGE_SHIFT;
- if (order < 0)
- order = 0;
+ int order = get_order(sizeof(struct pasid_entry) * iommu->pasid_max);
if (iommu->pasid_table) {
free_pages((unsigned long)iommu->pasid_table, order);
@@ -371,8 +377,8 @@
}
svm->iommu = iommu;
- if (pasid_max > 2 << ecap_pss(iommu->ecap))
- pasid_max = 2 << ecap_pss(iommu->ecap);
+ if (pasid_max > iommu->pasid_max)
+ pasid_max = iommu->pasid_max;
/* Do not use PASID 0 in caching mode (virtualised IOMMU) */
ret = idr_alloc(&iommu->pasid_idr, svm,
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 5cac11d..de62888 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1500,12 +1500,15 @@
if (!cc->key_size && strcmp(key, "-"))
goto out;
+ /* clear the flag since following operations may invalidate previously valid key */
+ clear_bit(DM_CRYPT_KEY_VALID, &cc->flags);
+
if (cc->key_size && crypt_decode_key(cc->key, key, cc->key_size) < 0)
goto out;
- set_bit(DM_CRYPT_KEY_VALID, &cc->flags);
-
r = crypt_setkey_allcpus(cc);
+ if (!r)
+ set_bit(DM_CRYPT_KEY_VALID, &cc->flags);
out:
/* Hex key string not needed after here, so wipe it. */
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index 8e9e928..78f403b 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -200,11 +200,13 @@
if (!(fc->up_interval + fc->down_interval)) {
ti->error = "Total (up + down) interval is zero";
+ r = -EINVAL;
goto bad;
}
if (fc->up_interval + fc->down_interval < fc->up_interval) {
ti->error = "Interval overflow";
+ r = -EINVAL;
goto bad;
}
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index f2a363a..115bd38 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1288,6 +1288,7 @@
dm_bio_restore(bd, bio);
bio_record->details.bi_bdev = NULL;
+ bio->bi_error = 0;
queue_bio(ms, bio, rw);
return DM_ENDIO_INCOMPLETE;
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 84aa8b1..3384a3e 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2260,8 +2260,6 @@
if (md->bs)
bioset_free(md->bs);
- cleanup_srcu_struct(&md->io_barrier);
-
if (md->disk) {
spin_lock(&_minor_lock);
md->disk->private_data = NULL;
@@ -2273,6 +2271,8 @@
if (md->queue)
blk_cleanup_queue(md->queue);
+ cleanup_srcu_struct(&md->io_barrier);
+
if (md->bdev) {
bdput(md->bdev);
md->bdev = NULL;
diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
index 7e44005..20557e2 100644
--- a/drivers/md/persistent-data/dm-space-map-metadata.c
+++ b/drivers/md/persistent-data/dm-space-map-metadata.c
@@ -775,16 +775,14 @@
memcpy(&smm->sm, &bootstrap_ops, sizeof(smm->sm));
r = sm_ll_new_metadata(&smm->ll, tm);
- if (r)
- return r;
-
- if (nr_blocks > DM_SM_METADATA_MAX_BLOCKS)
- nr_blocks = DM_SM_METADATA_MAX_BLOCKS;
- r = sm_ll_extend(&smm->ll, nr_blocks);
- if (r)
- return r;
-
+ if (!r) {
+ if (nr_blocks > DM_SM_METADATA_MAX_BLOCKS)
+ nr_blocks = DM_SM_METADATA_MAX_BLOCKS;
+ r = sm_ll_extend(&smm->ll, nr_blocks);
+ }
memcpy(&smm->sm, &ops, sizeof(smm->sm));
+ if (r)
+ return r;
/*
* Now we need to update the newly created data structures with the
diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c
index 0d248ce..ab58f0b 100644
--- a/drivers/media/usb/dvb-usb/dib0700_core.c
+++ b/drivers/media/usb/dvb-usb/dib0700_core.c
@@ -677,7 +677,7 @@
struct dvb_usb_device *d = purb->context;
struct dib0700_rc_response *poll_reply;
enum rc_type protocol;
- u32 uninitialized_var(keycode);
+ u32 keycode;
u8 toggle;
deb_info("%s()\n", __func__);
@@ -719,7 +719,8 @@
poll_reply->nec.data == 0x00 &&
poll_reply->nec.not_data == 0xff) {
poll_reply->data_state = 2;
- break;
+ rc_repeat(d->rc_dev);
+ goto resubmit;
}
if ((poll_reply->nec.data ^ poll_reply->nec.not_data) != 0xff) {
diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
index 88e80ec..fe89e5e 100644
--- a/drivers/mfd/intel-lpss.c
+++ b/drivers/mfd/intel-lpss.c
@@ -494,9 +494,6 @@
for (i = 0; i < LPSS_PRIV_REG_COUNT; i++)
lpss->priv_ctx[i] = readl(lpss->priv + i * 4);
- /* Put the device into reset state */
- writel(0, lpss->priv + LPSS_PRIV_RESETS);
-
return 0;
}
EXPORT_SYMBOL_GPL(intel_lpss_suspend);
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 60b60dc..022c937 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -354,6 +354,8 @@
clones[i]);
}
+ put_device(dev);
+
return 0;
}
EXPORT_SYMBOL(mfd_clone_cell);
diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_utils.c
index 222367c..524660510 100644
--- a/drivers/misc/genwqe/card_utils.c
+++ b/drivers/misc/genwqe/card_utils.c
@@ -352,17 +352,27 @@
if (copy_from_user(sgl->lpage, user_addr + user_size -
sgl->lpage_size, sgl->lpage_size)) {
rc = -EFAULT;
- goto err_out1;
+ goto err_out2;
}
}
return 0;
+ err_out2:
+ __genwqe_free_consistent(cd, PAGE_SIZE, sgl->lpage,
+ sgl->lpage_dma_addr);
+ sgl->lpage = NULL;
+ sgl->lpage_dma_addr = 0;
err_out1:
__genwqe_free_consistent(cd, PAGE_SIZE, sgl->fpage,
sgl->fpage_dma_addr);
+ sgl->fpage = NULL;
+ sgl->fpage_dma_addr = 0;
err_out:
__genwqe_free_consistent(cd, sgl->sgl_size, sgl->sgl,
sgl->sgl_dma_addr);
+ sgl->sgl = NULL;
+ sgl->sgl_dma_addr = 0;
+ sgl->sgl_size = 0;
return -ENOMEM;
}
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 020de59..bdc7fcd 100644
--- a/drivers/misc/mei/bus-fixup.c
+++ b/drivers/misc/mei/bus-fixup.c
@@ -151,7 +151,7 @@
ret = 0;
bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length);
- if (bytes_recv < 0 || bytes_recv < sizeof(struct mei_nfc_reply)) {
+ if (bytes_recv < if_version_length) {
dev_err(bus->dev, "Could not read IF version\n");
ret = -EIO;
goto err;
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index a776439..e598382 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -144,7 +144,7 @@
mutex_lock(&bus->device_lock);
if (!mei_cl_is_connected(cl)) {
- rets = -EBUSY;
+ rets = -ENODEV;
goto out;
}
}
diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index 4e80698..a266138 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -66,9 +66,6 @@
#ifndef _MEI_HW_MEI_REGS_H_
#define _MEI_HW_MEI_REGS_H_
-#define MEI_DEV_ID_KBP 0xA2BA /* Kaby Point */
-#define MEI_DEV_ID_KBP_2 0xA2BB /* Kaby Point 2 */
-
/*
* MEI device IDs
*/
@@ -124,6 +121,10 @@
#define MEI_DEV_ID_SPT_2 0x9D3B /* Sunrise Point 2 */
#define MEI_DEV_ID_SPT_H 0xA13A /* Sunrise Point H */
#define MEI_DEV_ID_SPT_H_2 0xA13B /* Sunrise Point H 2 */
+
+#define MEI_DEV_ID_KBP 0xA2BA /* Kaby Point */
+#define MEI_DEV_ID_KBP_2 0xA2BB /* Kaby Point 2 */
+
/*
* MEI HW Section
*/
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index 25b1997..3633375 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -1258,8 +1258,14 @@
static bool mei_me_fw_type_sps(struct pci_dev *pdev)
{
u32 reg;
- /* Read ME FW Status check for SPS Firmware */
- pci_read_config_dword(pdev, PCI_CFG_HFS_1, ®);
+ unsigned int devfn;
+
+ /*
+ * Read ME FW Status register to check for SPS Firmware
+ * The SPS FW is only signaled in pci function 0
+ */
+ devfn = PCI_DEVFN(PCI_SLOT(pdev->devfn), 0);
+ pci_bus_read_config_dword(pdev->bus, devfn, PCI_CFG_HFS_1, ®);
/* if bits [19:16] = 15, running SPS Firmware */
return (reg & 0xf0000) == 0xf0000;
}
diff --git a/drivers/misc/mei/hw-txe.c b/drivers/misc/mei/hw-txe.c
index bae680c..396d75d 100644
--- a/drivers/misc/mei/hw-txe.c
+++ b/drivers/misc/mei/hw-txe.c
@@ -972,11 +972,13 @@
hisr = mei_txe_br_reg_read(hw, HISR_REG);
aliveness = mei_txe_aliveness_get(dev);
- if (hhisr & IPC_HHIER_SEC && aliveness)
+ if (hhisr & IPC_HHIER_SEC && aliveness) {
ipc_isr = mei_txe_sec_reg_read_silent(hw,
SEC_IPC_HOST_INT_STATUS_REG);
- else
+ } else {
ipc_isr = 0;
+ hhisr &= ~IPC_HHIER_SEC;
+ }
generated = generated ||
(hisr & HISR_INT_STS_MSK) ||
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 80f9afc..4ef189a 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -207,7 +207,7 @@
mutex_lock(&dev->device_lock);
if (!mei_cl_is_connected(cl)) {
- rets = -EBUSY;
+ rets = -ENODEV;
goto out;
}
}
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 0af3d7d..01e2038 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -84,8 +84,8 @@
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT, mei_me_pch8_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, mei_me_pch8_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, mei_me_pch8_cfg)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, mei_me_pch8_cfg)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, mei_me_pch8_sps_cfg)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, mei_me_pch8_sps_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_KBP, mei_me_pch8_cfg)},
{MEI_PCI_DEVICE(MEI_DEV_ID_KBP_2, mei_me_pch8_cfg)},
diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c
index 81bdeeb..7dcfb1d 100644
--- a/drivers/mmc/host/dw_mmc-pltfm.c
+++ b/drivers/mmc/host/dw_mmc-pltfm.c
@@ -59,12 +59,13 @@
host->pdata = pdev->dev.platform_data;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- /* Get registers' physical base address */
- host->phy_regs = regs->start;
host->regs = devm_ioremap_resource(&pdev->dev, regs);
if (IS_ERR(host->regs))
return PTR_ERR(host->regs);
+ /* Get registers' physical base address */
+ host->phy_regs = regs->start;
+
platform_set_drvdata(pdev, host);
return dw_mci_probe(host);
}
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index d839147..44ecebd 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -661,13 +661,13 @@
platform_set_drvdata(pdev, mmc);
+ spin_lock_init(&host->lock);
+
ret = devm_request_irq(&pdev->dev, irq_err, mxs_mmc_irq_handler, 0,
dev_name(&pdev->dev), host);
if (ret)
goto out_free_dma;
- spin_lock_init(&host->lock);
-
ret = mmc_add_host(mmc);
if (ret)
goto out_free_dma;
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 990898b..bba7dd1 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -513,10 +513,11 @@
unsigned long long ec = be64_to_cpu(ech->ec);
unmap_peb(ai, pnum);
dbg_bld("Adding PEB to free: %i", pnum);
+
if (err == UBI_IO_FF_BITFLIPS)
- add_aeb(ai, free, pnum, ec, 1);
- else
- add_aeb(ai, free, pnum, ec, 0);
+ scrub = 1;
+
+ add_aeb(ai, free, pnum, ec, scrub);
continue;
} else if (err == 0 || err == UBI_IO_BITFLIPS) {
dbg_bld("Found non empty PEB:%i in pool", pnum);
@@ -748,11 +749,11 @@
fmvhdr->vol_type,
be32_to_cpu(fmvhdr->last_eb_bytes));
- if (!av)
- goto fail_bad;
- if (PTR_ERR(av) == -EINVAL) {
- ubi_err(ubi, "volume (ID %i) already exists",
- fmvhdr->vol_id);
+ if (IS_ERR(av)) {
+ if (PTR_ERR(av) == -EEXIST)
+ ubi_err(ubi, "volume (ID %i) already exists",
+ fmvhdr->vol_id);
+
goto fail_bad;
}
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index 5a2e341..91be457 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -872,23 +872,25 @@
static void peak_usb_disconnect(struct usb_interface *intf)
{
struct peak_usb_device *dev;
+ struct peak_usb_device *dev_prev_siblings;
/* unregister as many netdev devices as siblings */
- for (dev = usb_get_intfdata(intf); dev; dev = dev->prev_siblings) {
+ for (dev = usb_get_intfdata(intf); dev; dev = dev_prev_siblings) {
struct net_device *netdev = dev->netdev;
char name[IFNAMSIZ];
+ dev_prev_siblings = dev->prev_siblings;
dev->state &= ~PCAN_USB_STATE_CONNECTED;
strncpy(name, netdev->name, IFNAMSIZ);
unregister_netdev(netdev);
- free_candev(netdev);
kfree(dev->cmd_buf);
dev->next_siblings = NULL;
if (dev->adapter->dev_free)
dev->adapter->dev_free(dev);
+ free_candev(netdev);
dev_info(&intf->dev, "%s removed\n", name);
}
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 6f946fe..0864f05 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -1137,6 +1137,7 @@
struct phy_device *phydev)
{
struct bcm_sf2_priv *priv = ds_to_priv(ds);
+ struct ethtool_eee *p = &priv->port_sts[port].eee;
u32 id_mode_dis = 0, port_mode;
const char *str = NULL;
u32 reg;
@@ -1211,6 +1212,9 @@
reg |= DUPLX_MODE;
core_writel(priv, reg, CORE_STS_OVERRIDE_GMIIP_PORT(port));
+
+ if (!phydev->is_pseudo_fixed_link)
+ p->eee_enabled = bcm_sf2_eee_init(ds, port, phydev);
}
static void bcm_sf2_sw_fixed_link_update(struct dsa_switch *ds, int port,
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index c32f5d3..b56c9c5 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -314,6 +314,10 @@
u32 ctl;
ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL);
+
+ /* preserve ONLY bits 16-17 from current hardware value */
+ ctl &= BGMAC_DMA_RX_ADDREXT_MASK;
+
if (bgmac->core->id.rev >= 4) {
ctl &= ~BGMAC_DMA_RX_BL_MASK;
ctl |= BGMAC_DMA_RX_BL_128 << BGMAC_DMA_RX_BL_SHIFT;
@@ -324,7 +328,6 @@
ctl &= ~BGMAC_DMA_RX_PT_MASK;
ctl |= BGMAC_DMA_RX_PT_1 << BGMAC_DMA_RX_PT_SHIFT;
}
- ctl &= BGMAC_DMA_RX_ADDREXT_MASK;
ctl |= BGMAC_DMA_RX_ENABLE;
ctl |= BGMAC_DMA_RX_PARITY_DISABLE;
ctl |= BGMAC_DMA_RX_OVERFLOW_CONT;
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index c6d757f..35e6c05 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1239,6 +1239,7 @@
struct bcmgenet_tx_ring *ring)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
+ struct device *kdev = &priv->pdev->dev;
struct enet_cb *tx_cb_ptr;
struct netdev_queue *txq;
unsigned int pkts_compl = 0;
@@ -1266,13 +1267,13 @@
if (tx_cb_ptr->skb) {
pkts_compl++;
bytes_compl += GENET_CB(tx_cb_ptr->skb)->bytes_sent;
- dma_unmap_single(&dev->dev,
+ dma_unmap_single(kdev,
dma_unmap_addr(tx_cb_ptr, dma_addr),
dma_unmap_len(tx_cb_ptr, dma_len),
DMA_TO_DEVICE);
bcmgenet_free_cb(tx_cb_ptr);
} else if (dma_unmap_addr(tx_cb_ptr, dma_addr)) {
- dma_unmap_page(&dev->dev,
+ dma_unmap_page(kdev,
dma_unmap_addr(tx_cb_ptr, dma_addr),
dma_unmap_len(tx_cb_ptr, dma_len),
DMA_TO_DEVICE);
@@ -1857,6 +1858,7 @@
static void bcmgenet_free_rx_buffers(struct bcmgenet_priv *priv)
{
+ struct device *kdev = &priv->pdev->dev;
struct enet_cb *cb;
int i;
@@ -1864,7 +1866,7 @@
cb = &priv->rx_cbs[i];
if (dma_unmap_addr(cb, dma_addr)) {
- dma_unmap_single(&priv->dev->dev,
+ dma_unmap_single(kdev,
dma_unmap_addr(cb, dma_addr),
priv->rx_buf_len, DMA_FROM_DEVICE);
dma_unmap_addr_set(cb, dma_addr, 0);
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index ca5ac5d..49056c3 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -18142,14 +18142,14 @@
rtnl_lock();
- /* We needn't recover from permanent error */
- if (state == pci_channel_io_frozen)
- tp->pcierr_recovery = true;
-
/* We probably don't have netdev yet */
if (!netdev || !netif_running(netdev))
goto done;
+ /* We needn't recover from permanent error */
+ if (state == pci_channel_io_frozen)
+ tp->pcierr_recovery = true;
+
tg3_phy_stop(tp);
tg3_netif_stop(tp);
@@ -18246,7 +18246,7 @@
rtnl_lock();
- if (!netif_running(netdev))
+ if (!netdev || !netif_running(netdev))
goto done;
tg3_full_lock(tp, 0);
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index f6147ff..ab71604 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -944,11 +944,11 @@
* enet-mac reset will reset mac address registers too,
* so need to reconfigure it.
*/
- if (fep->quirks & FEC_QUIRK_ENET_MAC) {
- memcpy(&temp_mac, ndev->dev_addr, ETH_ALEN);
- writel(cpu_to_be32(temp_mac[0]), fep->hwp + FEC_ADDR_LOW);
- writel(cpu_to_be32(temp_mac[1]), fep->hwp + FEC_ADDR_HIGH);
- }
+ memcpy(&temp_mac, ndev->dev_addr, ETH_ALEN);
+ writel((__force u32)cpu_to_be32(temp_mac[0]),
+ fep->hwp + FEC_ADDR_LOW);
+ writel((__force u32)cpu_to_be32(temp_mac[1]),
+ fep->hwp + FEC_ADDR_HIGH);
/* Clear any outstanding interrupt. */
writel(0xffffffff, fep->hwp + FEC_IEVENT);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 979cc02..4edbab6 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -8595,7 +8595,7 @@
return 0;
return ndo_dflt_bridge_getlink(skb, pid, seq, dev, veb->bridge_mode,
- nlflags, 0, 0, filter_mask, NULL);
+ 0, 0, nlflags, filter_mask, NULL);
}
#define I40E_MAX_TUNNEL_HDR_LEN 80
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 5606a04..4b62aa1 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -5220,6 +5220,19 @@
static void sky2_shutdown(struct pci_dev *pdev)
{
+ struct sky2_hw *hw = pci_get_drvdata(pdev);
+ int port;
+
+ for (port = 0; port < hw->ports; port++) {
+ struct net_device *ndev = hw->dev[port];
+
+ rtnl_lock();
+ if (netif_running(ndev)) {
+ dev_close(ndev);
+ netif_device_detach(ndev);
+ }
+ rtnl_unlock();
+ }
sky2_suspend(&pdev->dev);
pci_wake_from_d3(pdev, device_may_wakeup(&pdev->dev));
pci_set_power_state(pdev, PCI_D3hot);
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 36fc942..480f3da 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -832,7 +832,7 @@
.ecsr_value = ECSR_ICD,
.ecsipr_value = ECSIPR_ICDIP,
- .eesipr_value = 0xff7f009f,
+ .eesipr_value = 0xe77f009f,
.tx_check = EESR_TC1 | EESR_FTC,
.eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT |
diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c
index 8c44cf6..23a0388 100644
--- a/drivers/net/ethernet/smsc/smc91x.c
+++ b/drivers/net/ethernet/smsc/smc91x.c
@@ -540,7 +540,7 @@
#define smc_special_lock(lock, flags) spin_lock_irqsave(lock, flags)
#define smc_special_unlock(lock, flags) spin_unlock_irqrestore(lock, flags)
#else
-#define smc_special_trylock(lock, flags) (flags == flags)
+#define smc_special_trylock(lock, flags) ((void)flags, true)
#define smc_special_lock(lock, flags) do { flags = 0; } while (0)
#define smc_special_unlock(lock, flags) do { flags = 0; } while (0)
#endif
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 69e31e2..f0961cb 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -440,7 +440,7 @@
skb_gro_pull(skb, gh_len);
skb_gro_postpull_rcsum(skb, gh, gh_len);
- pp = ptype->callbacks.gro_receive(head, skb);
+ pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb);
out_unlock:
rcu_read_unlock();
@@ -815,7 +815,6 @@
struct geneve_dev *geneve = netdev_priv(dev);
struct geneve_sock *gs4 = geneve->sock4;
struct rtable *rt = NULL;
- const struct iphdr *iip; /* interior IP header */
int err = -EINVAL;
struct flowi4 fl4;
__u8 tos, ttl;
@@ -842,8 +841,6 @@
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
skb_reset_mac_header(skb);
- iip = ip_hdr(skb);
-
if (info) {
const struct ip_tunnel_key *key = &info->key;
u8 *opts = NULL;
@@ -859,7 +856,7 @@
if (unlikely(err))
goto err;
- tos = ip_tunnel_ecn_encap(key->tos, iip, skb);
+ tos = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb);
ttl = key->ttl;
df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0;
} else {
@@ -869,7 +866,7 @@
if (unlikely(err))
goto err;
- tos = ip_tunnel_ecn_encap(fl4.flowi4_tos, iip, skb);
+ tos = ip_tunnel_ecn_encap(fl4.flowi4_tos, ip_hdr(skb), skb);
ttl = geneve->ttl;
if (!ttl && IN_MULTICAST(ntohl(fl4.daddr)))
ttl = 1;
@@ -903,7 +900,6 @@
struct geneve_dev *geneve = netdev_priv(dev);
struct geneve_sock *gs6 = geneve->sock6;
struct dst_entry *dst = NULL;
- const struct iphdr *iip; /* interior IP header */
int err = -EINVAL;
struct flowi6 fl6;
__u8 prio, ttl;
@@ -927,8 +923,6 @@
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
skb_reset_mac_header(skb);
- iip = ip_hdr(skb);
-
if (info) {
const struct ip_tunnel_key *key = &info->key;
u8 *opts = NULL;
@@ -945,7 +939,7 @@
if (unlikely(err))
goto err;
- prio = ip_tunnel_ecn_encap(key->tos, iip, skb);
+ prio = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb);
ttl = key->ttl;
} else {
udp_csum = false;
@@ -954,7 +948,7 @@
if (unlikely(err))
goto err;
- prio = ip_tunnel_ecn_encap(fl6.flowi6_tos, iip, skb);
+ prio = ip_tunnel_ecn_encap(fl6.flowi6_tos, ip_hdr(skb), skb);
ttl = geneve->ttl;
if (!ttl && ipv6_addr_is_multicast(&fl6.daddr))
ttl = 1;
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 174e06e..e5bb870 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -2390,8 +2390,6 @@
spin_lock_bh(&pn->all_channels_lock);
list_del(&pch->list);
spin_unlock_bh(&pn->all_channels_lock);
- put_net(pch->chan_net);
- pch->chan_net = NULL;
pch->file.dead = 1;
wake_up_interruptible(&pch->file.rwait);
@@ -2984,6 +2982,9 @@
*/
static void ppp_destroy_channel(struct channel *pch)
{
+ put_net(pch->chan_net);
+ pch->chan_net = NULL;
+
atomic_dec(&channel_count);
if (!pch->file.dead) {
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index f94ab78..0e2a19e 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1465,6 +1465,11 @@
netif_napi_del(&vi->rq[i].napi);
}
+ /* We called napi_hash_del() before netif_napi_del(),
+ * we need to respect an RCU grace period before freeing vi->rq
+ */
+ synchronize_net();
+
kfree(vi->rq);
kfree(vi->sq);
}
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 0037809..6fa8e16 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -593,7 +593,7 @@
}
}
- pp = eth_gro_receive(head, skb);
+ pp = call_gro_receive(eth_gro_receive, head, skb);
out:
skb_gro_remcsum_cleanup(skb, &grc);
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index d58c094..f7e6a09 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -475,48 +475,64 @@
MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
#ifdef CONFIG_ACPI
-#define SPL_METHOD "SPLC"
-#define SPL_DOMAINTYPE_MODULE BIT(0)
-#define SPL_DOMAINTYPE_WIFI BIT(1)
-#define SPL_DOMAINTYPE_WIGIG BIT(2)
-#define SPL_DOMAINTYPE_RFEM BIT(3)
+#define ACPI_SPLC_METHOD "SPLC"
+#define ACPI_SPLC_DOMAIN_WIFI (0x07)
-static u64 splx_get_pwr_limit(struct iwl_trans *trans, union acpi_object *splx)
+static u64 splc_get_pwr_limit(struct iwl_trans *trans, union acpi_object *splc)
{
- union acpi_object *limits, *domain_type, *power_limit;
+ union acpi_object *data_pkg, *dflt_pwr_limit;
+ int i;
- if (splx->type != ACPI_TYPE_PACKAGE ||
- splx->package.count != 2 ||
- splx->package.elements[0].type != ACPI_TYPE_INTEGER ||
- splx->package.elements[0].integer.value != 0) {
- IWL_ERR(trans, "Unsupported splx structure\n");
+ /* We need at least two elements, one for the revision and one
+ * for the data itself. Also check that the revision is
+ * supported (currently only revision 0).
+ */
+ if (splc->type != ACPI_TYPE_PACKAGE ||
+ splc->package.count < 2 ||
+ splc->package.elements[0].type != ACPI_TYPE_INTEGER ||
+ splc->package.elements[0].integer.value != 0) {
+ IWL_DEBUG_INFO(trans,
+ "Unsupported structure returned by the SPLC method. Ignoring.\n");
return 0;
}
- limits = &splx->package.elements[1];
- if (limits->type != ACPI_TYPE_PACKAGE ||
- limits->package.count < 2 ||
- limits->package.elements[0].type != ACPI_TYPE_INTEGER ||
- limits->package.elements[1].type != ACPI_TYPE_INTEGER) {
- IWL_ERR(trans, "Invalid limits element\n");
+ /* loop through all the packages to find the one for WiFi */
+ for (i = 1; i < splc->package.count; i++) {
+ union acpi_object *domain;
+
+ data_pkg = &splc->package.elements[i];
+
+ /* Skip anything that is not a package with the right
+ * amount of elements (i.e. at least 2 integers).
+ */
+ if (data_pkg->type != ACPI_TYPE_PACKAGE ||
+ data_pkg->package.count < 2 ||
+ data_pkg->package.elements[0].type != ACPI_TYPE_INTEGER ||
+ data_pkg->package.elements[1].type != ACPI_TYPE_INTEGER)
+ continue;
+
+ domain = &data_pkg->package.elements[0];
+ if (domain->integer.value == ACPI_SPLC_DOMAIN_WIFI)
+ break;
+
+ data_pkg = NULL;
+ }
+
+ if (!data_pkg) {
+ IWL_DEBUG_INFO(trans,
+ "No element for the WiFi domain returned by the SPLC method.\n");
return 0;
}
- domain_type = &limits->package.elements[0];
- power_limit = &limits->package.elements[1];
- if (!(domain_type->integer.value & SPL_DOMAINTYPE_WIFI)) {
- IWL_DEBUG_INFO(trans, "WiFi power is not limited\n");
- return 0;
- }
-
- return power_limit->integer.value;
+ dflt_pwr_limit = &data_pkg->package.elements[1];
+ return dflt_pwr_limit->integer.value;
}
static void set_dflt_pwr_limit(struct iwl_trans *trans, struct pci_dev *pdev)
{
acpi_handle pxsx_handle;
acpi_handle handle;
- struct acpi_buffer splx = {ACPI_ALLOCATE_BUFFER, NULL};
+ struct acpi_buffer splc = {ACPI_ALLOCATE_BUFFER, NULL};
acpi_status status;
pxsx_handle = ACPI_HANDLE(&pdev->dev);
@@ -527,23 +543,24 @@
}
/* Get the method's handle */
- status = acpi_get_handle(pxsx_handle, (acpi_string)SPL_METHOD, &handle);
+ status = acpi_get_handle(pxsx_handle, (acpi_string)ACPI_SPLC_METHOD,
+ &handle);
if (ACPI_FAILURE(status)) {
- IWL_DEBUG_INFO(trans, "SPL method not found\n");
+ IWL_DEBUG_INFO(trans, "SPLC method not found\n");
return;
}
/* Call SPLC with no arguments */
- status = acpi_evaluate_object(handle, NULL, NULL, &splx);
+ status = acpi_evaluate_object(handle, NULL, NULL, &splc);
if (ACPI_FAILURE(status)) {
IWL_ERR(trans, "SPLC invocation failed (0x%x)\n", status);
return;
}
- trans->dflt_pwr_limit = splx_get_pwr_limit(trans, splx.pointer);
+ trans->dflt_pwr_limit = splc_get_pwr_limit(trans, splc.pointer);
IWL_DEBUG_INFO(trans, "Default power limit set to %lld\n",
trans->dflt_pwr_limit);
- kfree(splx.pointer);
+ kfree(splc.pointer);
}
#else /* CONFIG_ACPI */
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 4073116..c3331d6 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -2144,8 +2144,9 @@
is_scanning_required = 1;
} else {
mwifiex_dbg(priv->adapter, MSG,
- "info: trying to associate to '%s' bssid %pM\n",
- (char *)req_ssid.ssid, bss->bssid);
+ "info: trying to associate to '%.*s' bssid %pM\n",
+ req_ssid.ssid_len, (char *)req_ssid.ssid,
+ bss->bssid);
memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
break;
}
@@ -2202,8 +2203,8 @@
}
mwifiex_dbg(adapter, INFO,
- "info: Trying to associate to %s and bssid %pM\n",
- (char *)sme->ssid, sme->bssid);
+ "info: Trying to associate to %.*s and bssid %pM\n",
+ (int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
priv->bss_mode, sme->channel, sme, 0);
@@ -2333,8 +2334,8 @@
}
mwifiex_dbg(priv->adapter, MSG,
- "info: trying to join to %s and bssid %pM\n",
- (char *)params->ssid, params->bssid);
+ "info: trying to join to %.*s and bssid %pM\n",
+ params->ssid_len, (char *)params->ssid, params->bssid);
mwifiex_set_ibss_params(priv, params);
diff --git a/drivers/nfc/mei_phy.c b/drivers/nfc/mei_phy.c
index 83deda4..6f9563a 100644
--- a/drivers/nfc/mei_phy.c
+++ b/drivers/nfc/mei_phy.c
@@ -133,7 +133,7 @@
return -ENOMEM;
bytes_recv = mei_cldev_recv(phy->cldev, (u8 *)reply, if_version_length);
- if (bytes_recv < 0 || bytes_recv < sizeof(struct mei_nfc_reply)) {
+ if (bytes_recv < 0 || bytes_recv < if_version_length) {
pr_err("Could not read IF version\n");
r = -EIO;
goto err;
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index ed01c01..07dd815 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -127,8 +127,12 @@
}
/* Need adjust the alignment to satisfy the CMA requirement */
- if (IS_ENABLED(CONFIG_CMA) && of_flat_dt_is_compatible(node, "shared-dma-pool"))
- align = max(align, (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order));
+ if (IS_ENABLED(CONFIG_CMA) && of_flat_dt_is_compatible(node, "shared-dma-pool")) {
+ unsigned long order =
+ max_t(unsigned long, MAX_ORDER - 1, pageblock_order);
+
+ align = max(align, (phys_addr_t)PAGE_SIZE << order);
+ }
prop = of_get_flat_dt_prop(node, "alloc-ranges", &len);
if (prop) {
diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c
index 182224a..58f1419 100644
--- a/drivers/pci/pcie/aer/aer_inject.c
+++ b/drivers/pci/pcie/aer/aer_inject.c
@@ -283,20 +283,6 @@
return 0;
}
-static struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
-{
- while (1) {
- if (!pci_is_pcie(dev))
- break;
- if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
- return dev;
- if (!dev->bus->self)
- break;
- dev = dev->bus->self;
- }
- return NULL;
-}
-
static int find_aer_device_iter(struct device *device, void *data)
{
struct pcie_device **result = data;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 9757cf9..b5843c2 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1415,6 +1415,21 @@
dev_warn(&dev->dev, "PCI-X settings not supported\n");
}
+static bool pcie_root_rcb_set(struct pci_dev *dev)
+{
+ struct pci_dev *rp = pcie_find_root_port(dev);
+ u16 lnkctl;
+
+ if (!rp)
+ return false;
+
+ pcie_capability_read_word(rp, PCI_EXP_LNKCTL, &lnkctl);
+ if (lnkctl & PCI_EXP_LNKCTL_RCB)
+ return true;
+
+ return false;
+}
+
static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp)
{
int pos;
@@ -1444,9 +1459,20 @@
~hpp->pci_exp_devctl_and, hpp->pci_exp_devctl_or);
/* Initialize Link Control Register */
- if (pcie_cap_has_lnkctl(dev))
+ if (pcie_cap_has_lnkctl(dev)) {
+
+ /*
+ * If the Root Port supports Read Completion Boundary of
+ * 128, set RCB to 128. Otherwise, clear it.
+ */
+ hpp->pci_exp_lnkctl_and |= PCI_EXP_LNKCTL_RCB;
+ hpp->pci_exp_lnkctl_or &= ~PCI_EXP_LNKCTL_RCB;
+ if (pcie_root_rcb_set(dev))
+ hpp->pci_exp_lnkctl_or |= PCI_EXP_LNKCTL_RCB;
+
pcie_capability_clear_and_set_word(dev, PCI_EXP_LNKCTL,
~hpp->pci_exp_lnkctl_and, hpp->pci_exp_lnkctl_or);
+ }
/* Find Advanced Error Reporting Enhanced Capability */
pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index 4e37759..a009ae3 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -1564,12 +1564,15 @@
}
#ifdef CONFIG_PM_SLEEP
-static int chv_pinctrl_suspend(struct device *dev)
+static int chv_pinctrl_suspend_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct chv_pinctrl *pctrl = platform_get_drvdata(pdev);
+ unsigned long flags;
int i;
+ raw_spin_lock_irqsave(&chv_lock, flags);
+
pctrl->saved_intmask = readl(pctrl->regs + CHV_INTMASK);
for (i = 0; i < pctrl->community->npins; i++) {
@@ -1590,15 +1593,20 @@
ctx->padctrl1 = readl(reg);
}
+ raw_spin_unlock_irqrestore(&chv_lock, flags);
+
return 0;
}
-static int chv_pinctrl_resume(struct device *dev)
+static int chv_pinctrl_resume_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct chv_pinctrl *pctrl = platform_get_drvdata(pdev);
+ unsigned long flags;
int i;
+ raw_spin_lock_irqsave(&chv_lock, flags);
+
/*
* Mask all interrupts before restoring per-pin configuration
* registers because we don't know in which state BIOS left them
@@ -1643,12 +1651,15 @@
chv_writel(0xffff, pctrl->regs + CHV_INTSTAT);
chv_writel(pctrl->saved_intmask, pctrl->regs + CHV_INTMASK);
+ raw_spin_unlock_irqrestore(&chv_lock, flags);
+
return 0;
}
#endif
static const struct dev_pm_ops chv_pinctrl_pm_ops = {
- SET_LATE_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend, chv_pinctrl_resume)
+ SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend_noirq,
+ chv_pinctrl_resume_noirq)
};
static const struct acpi_device_id chv_pinctrl_acpi_match[] = {
diff --git a/drivers/platform/x86/toshiba-wmi.c b/drivers/platform/x86/toshiba-wmi.c
index feac457..2df07ee 100644
--- a/drivers/platform/x86/toshiba-wmi.c
+++ b/drivers/platform/x86/toshiba-wmi.c
@@ -24,14 +24,15 @@
#include <linux/acpi.h>
#include <linux/input.h>
#include <linux/input/sparse-keymap.h>
+#include <linux/dmi.h>
MODULE_AUTHOR("Azael Avalos");
MODULE_DESCRIPTION("Toshiba WMI Hotkey Driver");
MODULE_LICENSE("GPL");
-#define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100"
+#define WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100"
-MODULE_ALIAS("wmi:"TOSHIBA_WMI_EVENT_GUID);
+MODULE_ALIAS("wmi:"WMI_EVENT_GUID);
static struct input_dev *toshiba_wmi_input_dev;
@@ -63,6 +64,16 @@
kfree(response.pointer);
}
+static struct dmi_system_id toshiba_wmi_dmi_table[] __initdata = {
+ {
+ .ident = "Toshiba laptop",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ },
+ },
+ {}
+};
+
static int __init toshiba_wmi_input_setup(void)
{
acpi_status status;
@@ -81,7 +92,7 @@
if (err)
goto err_free_dev;
- status = wmi_install_notify_handler(TOSHIBA_WMI_EVENT_GUID,
+ status = wmi_install_notify_handler(WMI_EVENT_GUID,
toshiba_wmi_notify, NULL);
if (ACPI_FAILURE(status)) {
err = -EIO;
@@ -95,7 +106,7 @@
return 0;
err_remove_notifier:
- wmi_remove_notify_handler(TOSHIBA_WMI_EVENT_GUID);
+ wmi_remove_notify_handler(WMI_EVENT_GUID);
err_free_keymap:
sparse_keymap_free(toshiba_wmi_input_dev);
err_free_dev:
@@ -105,7 +116,7 @@
static void toshiba_wmi_input_destroy(void)
{
- wmi_remove_notify_handler(TOSHIBA_WMI_EVENT_GUID);
+ wmi_remove_notify_handler(WMI_EVENT_GUID);
sparse_keymap_free(toshiba_wmi_input_dev);
input_unregister_device(toshiba_wmi_input_dev);
}
@@ -114,7 +125,8 @@
{
int ret;
- if (!wmi_has_guid(TOSHIBA_WMI_EVENT_GUID))
+ if (!wmi_has_guid(WMI_EVENT_GUID) ||
+ !dmi_check_system(toshiba_wmi_dmi_table))
return -ENODEV;
ret = toshiba_wmi_input_setup();
@@ -130,7 +142,7 @@
static void __exit toshiba_wmi_exit(void)
{
- if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID))
+ if (wmi_has_guid(WMI_EVENT_GUID))
toshiba_wmi_input_destroy();
}
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 7831bc6..ec84ff8 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -321,6 +321,8 @@
unsigned int i;
int ret = 0;
+ pwmchip_sysfs_unexport_children(chip);
+
mutex_lock(&pwm_lock);
for (i = 0; i < chip->npwm; i++) {
diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index 9c90886..375008e 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -350,6 +350,26 @@
}
}
+void pwmchip_sysfs_unexport_children(struct pwm_chip *chip)
+{
+ struct device *parent;
+ unsigned int i;
+
+ parent = class_find_device(&pwm_class, NULL, chip,
+ pwmchip_sysfs_match);
+ if (!parent)
+ return;
+
+ for (i = 0; i < chip->npwm; i++) {
+ struct pwm_device *pwm = &chip->pwms[i];
+
+ if (test_bit(PWMF_EXPORTED, &pwm->flags))
+ pwm_unexport_child(parent, pwm);
+ }
+
+ put_device(parent);
+}
+
static int __init pwm_sysfs_init(void)
{
return class_register(&pwm_class);
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index ec2e9c5..22394fe 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -109,6 +109,7 @@
/* OMAP_RTC_OSC_REG bit fields: */
#define OMAP_RTC_OSC_32KCLK_EN BIT(6)
#define OMAP_RTC_OSC_SEL_32KCLK_SRC BIT(3)
+#define OMAP_RTC_OSC_OSC32K_GZ_DISABLE BIT(4)
/* OMAP_RTC_IRQWAKEEN bit fields: */
#define OMAP_RTC_IRQWAKEEN_ALARM_WAKEEN BIT(1)
@@ -646,8 +647,9 @@
*/
if (rtc->has_ext_clk) {
reg = rtc_read(rtc, OMAP_RTC_OSC_REG);
- rtc_write(rtc, OMAP_RTC_OSC_REG,
- reg | OMAP_RTC_OSC_SEL_32KCLK_SRC);
+ reg &= ~OMAP_RTC_OSC_OSC32K_GZ_DISABLE;
+ reg |= OMAP_RTC_OSC_32KCLK_EN | OMAP_RTC_OSC_SEL_32KCLK_SRC;
+ rtc_writel(rtc, OMAP_RTC_OSC_REG, reg);
}
rtc->type->lock(rtc);
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 8db9f3a..7aa01c1 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -2545,18 +2545,9 @@
struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
struct CommandControlBlock *ccb;
int target = cmd->device->id;
- int lun = cmd->device->lun;
- uint8_t scsicmd = cmd->cmnd[0];
cmd->scsi_done = done;
cmd->host_scribble = NULL;
cmd->result = 0;
- if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){
- if(acb->devstate[target][lun] == ARECA_RAID_GONE) {
- cmd->result = (DID_NO_CONNECT << 16);
- }
- cmd->scsi_done(cmd);
- return 0;
- }
if (target == 16) {
/* virtual device for iop message transfer */
arcmsr_handle_virtual_command(acb, cmd);
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index ef4ff03..aaf7da0 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1923,7 +1923,7 @@
};
#define MEGASAS_IS_LOGICAL(scp) \
- (scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
+ ((scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1)
#define MEGASAS_DEV_INDEX(scp) \
(((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + \
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 278e10cd..17c440b 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -1688,16 +1688,13 @@
goto out_done;
}
- switch (scmd->cmnd[0]) {
- case SYNCHRONIZE_CACHE:
- /*
- * FW takes care of flush cache on its own
- * No need to send it down
- */
+ /*
+ * FW takes care of flush cache on its own for Virtual Disk.
+ * No need to send it down for VD. For JBOD send SYNCHRONIZE_CACHE to FW.
+ */
+ if ((scmd->cmnd[0] == SYNCHRONIZE_CACHE) && MEGASAS_IS_LOGICAL(scmd)) {
scmd->result = DID_OK << 16;
goto out_done;
- default:
- break;
}
if (instance->instancet->build_and_issue_cmd(instance, scmd)) {
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 0969cea..8cead04 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -1275,9 +1275,9 @@
sas_target_priv_data->handle = raid_device->handle;
sas_target_priv_data->sas_address = raid_device->wwid;
sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
- sas_target_priv_data->raid_device = raid_device;
if (ioc->is_warpdrive)
- raid_device->starget = starget;
+ sas_target_priv_data->raid_device = raid_device;
+ raid_device->starget = starget;
}
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
return 0;
@@ -3706,6 +3706,11 @@
}
}
+static inline bool ata_12_16_cmd(struct scsi_cmnd *scmd)
+{
+ return (scmd->cmnd[0] == ATA_12 || scmd->cmnd[0] == ATA_16);
+}
+
/**
* _scsih_flush_running_cmds - completing outstanding commands.
* @ioc: per adapter object
@@ -3727,6 +3732,9 @@
if (!scmd)
continue;
count++;
+ if (ata_12_16_cmd(scmd))
+ scsi_internal_device_unblock(scmd->device,
+ SDEV_RUNNING);
mpt3sas_base_free_smid(ioc, smid);
scsi_dma_unmap(scmd);
if (ioc->pci_error_recovery)
@@ -3831,8 +3839,6 @@
SAM_STAT_CHECK_CONDITION;
}
-
-
/**
* scsih_qcmd - main scsi request entry point
* @scmd: pointer to scsi command object
@@ -3859,6 +3865,13 @@
if (ioc->logging_level & MPT_DEBUG_SCSI)
scsi_print_command(scmd);
+ /*
+ * Lock the device for any subsequent command until command is
+ * done.
+ */
+ if (ata_12_16_cmd(scmd))
+ scsi_internal_device_block(scmd->device);
+
sas_device_priv_data = scmd->device->hostdata;
if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
scmd->result = DID_NO_CONNECT << 16;
@@ -4431,6 +4444,9 @@
if (scmd == NULL)
return 1;
+ if (ata_12_16_cmd(scmd))
+ scsi_internal_device_unblock(scmd->device, SDEV_RUNNING);
+
mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
if (mpi_reply == NULL) {
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index fc6674d..c44cbf4 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2257,6 +2257,8 @@
{
scsi_qla_host_t *vha = shost_priv(shost);
+ if (test_bit(UNLOADING, &vha->dpc_flags))
+ return 1;
if (!vha->host)
return 1;
if (time > vha->hw->loop_reset_delay * HZ)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index d09d602..e357a39 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -4981,6 +4981,7 @@
bus_unregister(&pseudo_lld_bus);
root_device_unregister(pseudo_primary);
+ vfree(map_storep);
vfree(dif_storep);
vfree(fake_storep);
}
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 10c43dda..196da09 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -647,6 +647,7 @@
__be16 buf[2];
int val[2];
unsigned char status;
+ int ret;
mutex_lock(&indio_dev->mlock);
if (st->state == AD5933_CTRL_INIT_START_FREQ) {
@@ -654,19 +655,22 @@
ad5933_cmd(st, AD5933_CTRL_START_SWEEP);
st->state = AD5933_CTRL_START_SWEEP;
schedule_delayed_work(&st->work, st->poll_time_jiffies);
- mutex_unlock(&indio_dev->mlock);
- return;
+ goto out;
}
- ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status);
+ ret = ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status);
+ if (ret)
+ goto out;
if (status & AD5933_STAT_DATA_VALID) {
int scan_count = bitmap_weight(indio_dev->active_scan_mask,
indio_dev->masklength);
- ad5933_i2c_read(st->client,
+ ret = ad5933_i2c_read(st->client,
test_bit(1, indio_dev->active_scan_mask) ?
AD5933_REG_REAL_DATA : AD5933_REG_IMAG_DATA,
scan_count * 2, (u8 *)buf);
+ if (ret)
+ goto out;
if (scan_count == 2) {
val[0] = be16_to_cpu(buf[0]);
@@ -678,8 +682,7 @@
} else {
/* no data available - try again later */
schedule_delayed_work(&st->work, st->poll_time_jiffies);
- mutex_unlock(&indio_dev->mlock);
- return;
+ goto out;
}
if (status & AD5933_STAT_SWEEP_DONE) {
@@ -691,7 +694,7 @@
ad5933_cmd(st, AD5933_CTRL_INC_FREQ);
schedule_delayed_work(&st->work, st->poll_time_jiffies);
}
-
+out:
mutex_unlock(&indio_dev->mlock);
}
diff --git a/drivers/staging/nvec/nvec_ps2.c b/drivers/staging/nvec/nvec_ps2.c
index 0922dd3..196f6b0 100644
--- a/drivers/staging/nvec/nvec_ps2.c
+++ b/drivers/staging/nvec/nvec_ps2.c
@@ -106,13 +106,12 @@
{
struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
struct serio *ser_dev;
- char mouse_reset[] = { NVEC_PS2, SEND_COMMAND, PSMOUSE_RST, 3 };
- ser_dev = devm_kzalloc(&pdev->dev, sizeof(struct serio), GFP_KERNEL);
+ ser_dev = kzalloc(sizeof(struct serio), GFP_KERNEL);
if (!ser_dev)
return -ENOMEM;
- ser_dev->id.type = SERIO_PS_PSTHRU;
+ ser_dev->id.type = SERIO_8042;
ser_dev->write = ps2_sendcommand;
ser_dev->start = ps2_startstreaming;
ser_dev->stop = ps2_stopstreaming;
@@ -127,9 +126,6 @@
serio_register_port(ser_dev);
- /* mouse reset */
- nvec_write_async(nvec, mouse_reset, sizeof(mouse_reset));
-
return 0;
}
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 7b5462e..e0b89b9 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2075,6 +2075,7 @@
static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
struct ktermios *old)
{
+ struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
unsigned long flags;
unsigned int old_mode, mode, imr, quot, baud;
@@ -2178,11 +2179,29 @@
mode |= ATMEL_US_USMODE_RS485;
} else if (termios->c_cflag & CRTSCTS) {
/* RS232 with hardware handshake (RTS/CTS) */
- if (atmel_use_dma_rx(port) && !atmel_use_fifo(port)) {
- dev_info(port->dev, "not enabling hardware flow control because DMA is used");
- termios->c_cflag &= ~CRTSCTS;
- } else {
+ if (atmel_use_fifo(port) &&
+ !mctrl_gpio_to_gpiod(atmel_port->gpios, UART_GPIO_CTS)) {
+ /*
+ * with ATMEL_US_USMODE_HWHS set, the controller will
+ * be able to drive the RTS pin high/low when the RX
+ * FIFO is above RXFTHRES/below RXFTHRES2.
+ * It will also disable the transmitter when the CTS
+ * pin is high.
+ * This mode is not activated if CTS pin is a GPIO
+ * because in this case, the transmitter is always
+ * disabled (there must be an internal pull-up
+ * responsible for this behaviour).
+ * If the RTS pin is a GPIO, the controller won't be
+ * able to drive it according to the FIFO thresholds,
+ * but it will be handled by the driver.
+ */
mode |= ATMEL_US_USMODE_HWHS;
+ } else {
+ /*
+ * For platforms without FIFO, the flow control is
+ * handled by the driver.
+ */
+ mode |= ATMEL_US_USMODE_NORMAL;
}
} else {
/* RS232 without hadware handshake */
diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c
index ca0d380..4e603d0 100644
--- a/drivers/tty/serial/sunhv.c
+++ b/drivers/tty/serial/sunhv.c
@@ -490,12 +490,6 @@
locked = spin_trylock_irqsave(&port->lock, flags);
else
spin_lock_irqsave(&port->lock, flags);
- if (port->sysrq) {
- locked = 0;
- } else if (oops_in_progress) {
- locked = spin_trylock(&port->lock);
- } else
- spin_lock(&port->lock);
for (i = 0; i < n; i++) {
if (*s == '\n')
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 629e3c8..9bee25c 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -417,6 +417,10 @@
* they are not on hot paths so a little discipline won't do
* any harm.
*
+ * The line discipline-related tty_struct fields are reset to
+ * prevent the ldisc driver from re-using stale information for
+ * the new ldisc instance.
+ *
* Locking: takes termios_rwsem
*/
@@ -425,6 +429,9 @@
down_write(&tty->termios_rwsem);
tty->termios.c_line = num;
up_write(&tty->termios_rwsem);
+
+ tty->disc_data = NULL;
+ tty->receive_room = 0;
}
/**
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 136ebaa..5ab54ef 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -872,10 +872,15 @@
if (new_cols == vc->vc_cols && new_rows == vc->vc_rows)
return 0;
+ if (new_screen_size > (4 << 20))
+ return -EINVAL;
newscreen = kmalloc(new_screen_size, GFP_USER);
if (!newscreen)
return -ENOMEM;
+ if (vc == sel_cons)
+ clear_selection();
+
old_rows = vc->vc_rows;
old_row_size = vc->vc_size_row;
@@ -1173,7 +1178,7 @@
break;
case 3: /* erase scroll-back buffer (and whole display) */
scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char,
- vc->vc_screenbuf_size >> 1);
+ vc->vc_screenbuf_size);
set_origin(vc);
if (CON_IS_VISIBLE(vc))
update_screen(vc);
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 965d0e2..ba4a2a1 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -926,6 +926,7 @@
if (!ci)
return -ENOMEM;
+ spin_lock_init(&ci->lock);
ci->dev = dev;
ci->platdata = dev_get_platdata(dev);
ci->imx28_write_fix = !!(ci->platdata->flags &
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 68fc5fc..d8a045f 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1884,8 +1884,6 @@
struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps;
int retval = 0;
- spin_lock_init(&ci->lock);
-
ci->gadget.ops = &usb_gadget_ops;
ci->gadget.speed = USB_SPEED_UNKNOWN;
ci->gadget.max_speed = USB_SPEED_HIGH;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 7f37436..96849e2 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -877,8 +877,6 @@
DECLARE_WAITQUEUE(wait, current);
struct async_icount old, new;
- if (arg & (TIOCM_DSR | TIOCM_RI | TIOCM_CD ))
- return -EINVAL;
do {
spin_lock_irq(&acm->read_lock);
old = acm->oldcount;
@@ -1710,6 +1708,7 @@
{ USB_DEVICE(0x20df, 0x0001), /* Simtec Electronics Entropy Key */
.driver_info = QUIRK_CONTROL_LINE_STATE, },
{ USB_DEVICE(0x2184, 0x001c) }, /* GW Instek AFG-2225 */
+ { USB_DEVICE(0x2184, 0x0036) }, /* GW Instek AFG-125 */
{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
},
/* Motorola H24 HSPA module: */
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index bcc1e1b..496d6a5 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -101,6 +101,8 @@
static void hub_release(struct kref *kref);
static int usb_reset_and_verify_device(struct usb_device *udev);
+static void hub_usb3_port_prepare_disable(struct usb_hub *hub,
+ struct usb_port *port_dev);
static inline char *portspeed(struct usb_hub *hub, int portstatus)
{
@@ -883,82 +885,28 @@
}
/*
- * If USB 3.0 ports are placed into the Disabled state, they will no longer
- * detect any device connects or disconnects. This is generally not what the
- * USB core wants, since it expects a disabled port to produce a port status
- * change event when a new device connects.
- *
- * Instead, set the link state to Disabled, wait for the link to settle into
- * that state, clear any change bits, and then put the port into the RxDetect
- * state.
+ * USB-3 does not have a similar link state as USB-2 that will avoid negotiating
+ * a connection with a plugged-in cable but will signal the host when the cable
+ * is unplugged. Disable remote wake and set link state to U3 for USB-3 devices
*/
-static int hub_usb3_port_disable(struct usb_hub *hub, int port1)
-{
- int ret;
- int total_time;
- u16 portchange, portstatus;
-
- if (!hub_is_superspeed(hub->hdev))
- return -EINVAL;
-
- ret = hub_port_status(hub, port1, &portstatus, &portchange);
- if (ret < 0)
- return ret;
-
- /*
- * USB controller Advanced Micro Devices, Inc. [AMD] FCH USB XHCI
- * Controller [1022:7814] will have spurious result making the following
- * usb 3.0 device hotplugging route to the 2.0 root hub and recognized
- * as high-speed device if we set the usb 3.0 port link state to
- * Disabled. Since it's already in USB_SS_PORT_LS_RX_DETECT state, we
- * check the state here to avoid the bug.
- */
- if ((portstatus & USB_PORT_STAT_LINK_STATE) ==
- USB_SS_PORT_LS_RX_DETECT) {
- dev_dbg(&hub->ports[port1 - 1]->dev,
- "Not disabling port; link state is RxDetect\n");
- return ret;
- }
-
- ret = hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_SS_DISABLED);
- if (ret)
- return ret;
-
- /* Wait for the link to enter the disabled state. */
- for (total_time = 0; ; total_time += HUB_DEBOUNCE_STEP) {
- ret = hub_port_status(hub, port1, &portstatus, &portchange);
- if (ret < 0)
- return ret;
-
- if ((portstatus & USB_PORT_STAT_LINK_STATE) ==
- USB_SS_PORT_LS_SS_DISABLED)
- break;
- if (total_time >= HUB_DEBOUNCE_TIMEOUT)
- break;
- msleep(HUB_DEBOUNCE_STEP);
- }
- if (total_time >= HUB_DEBOUNCE_TIMEOUT)
- dev_warn(&hub->ports[port1 - 1]->dev,
- "Could not disable after %d ms\n", total_time);
-
- return hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_RX_DETECT);
-}
-
static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)
{
struct usb_port *port_dev = hub->ports[port1 - 1];
struct usb_device *hdev = hub->hdev;
int ret = 0;
- if (port_dev->child && set_state)
- usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED);
if (!hub->error) {
- if (hub_is_superspeed(hub->hdev))
- ret = hub_usb3_port_disable(hub, port1);
- else
+ if (hub_is_superspeed(hub->hdev)) {
+ hub_usb3_port_prepare_disable(hub, port_dev);
+ ret = hub_set_port_link_state(hub, port_dev->portnum,
+ USB_SS_PORT_LS_U3);
+ } else {
ret = usb_clear_port_feature(hdev, port1,
USB_PORT_FEAT_ENABLE);
+ }
}
+ if (port_dev->child && set_state)
+ usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED);
if (ret && ret != -ENODEV)
dev_err(&port_dev->dev, "cannot disable (err = %d)\n", ret);
return ret;
@@ -4073,6 +4021,26 @@
}
EXPORT_SYMBOL_GPL(usb_unlocked_enable_lpm);
+/* usb3 devices use U3 for disabled, make sure remote wakeup is disabled */
+static void hub_usb3_port_prepare_disable(struct usb_hub *hub,
+ struct usb_port *port_dev)
+{
+ struct usb_device *udev = port_dev->child;
+ int ret;
+
+ if (udev && udev->port_is_suspended && udev->do_remote_wakeup) {
+ ret = hub_set_port_link_state(hub, port_dev->portnum,
+ USB_SS_PORT_LS_U0);
+ if (!ret) {
+ msleep(USB_RESUME_TIMEOUT);
+ ret = usb_disable_remote_wakeup(udev);
+ }
+ if (ret)
+ dev_warn(&udev->dev,
+ "Port disable: can't disable remote wake\n");
+ udev->do_remote_wakeup = 0;
+ }
+}
#else /* CONFIG_PM */
@@ -4080,6 +4048,9 @@
#define hub_resume NULL
#define hub_reset_resume NULL
+static inline void hub_usb3_port_prepare_disable(struct usb_hub *hub,
+ struct usb_port *port_dev) { }
+
int usb_disable_lpm(struct usb_device *udev)
{
return 0;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index fb79dca..5ae2b7d 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2845,7 +2845,7 @@
kfree(dwc->setup_buf);
err2:
- dma_free_coherent(dwc->dev, sizeof(*dwc->ep0_trb),
+ dma_free_coherent(dwc->dev, sizeof(*dwc->ep0_trb) * 2,
dwc->ep0_trb, dwc->ep0_trb_addr);
err1:
@@ -2869,7 +2869,7 @@
kfree(dwc->setup_buf);
- dma_free_coherent(dwc->dev, sizeof(*dwc->ep0_trb),
+ dma_free_coherent(dwc->dev, sizeof(*dwc->ep0_trb) * 2,
dwc->ep0_trb, dwc->ep0_trb_addr);
dma_free_coherent(dwc->dev, sizeof(*dwc->ctrl_req),
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 8b14c2a..739b5e2 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -144,11 +144,16 @@
ep_found:
/* commit results */
- _ep->maxpacket = usb_endpoint_maxp(chosen_desc);
+ _ep->maxpacket = usb_endpoint_maxp(chosen_desc) & 0x7ff;
_ep->desc = chosen_desc;
_ep->comp_desc = NULL;
_ep->maxburst = 0;
- _ep->mult = 0;
+ _ep->mult = 1;
+
+ if (g->speed == USB_SPEED_HIGH && (usb_endpoint_xfer_isoc(_ep->desc) ||
+ usb_endpoint_xfer_int(_ep->desc)))
+ _ep->mult = usb_endpoint_maxp(_ep->desc) & 0x7ff;
+
if (!want_comp_desc)
return 0;
@@ -165,7 +170,7 @@
switch (usb_endpoint_type(_ep->desc)) {
case USB_ENDPOINT_XFER_ISOC:
/* mult: bits 1:0 of bmAttributes */
- _ep->mult = comp_desc->bmAttributes & 0x3;
+ _ep->mult = (comp_desc->bmAttributes & 0x3) + 1;
case USB_ENDPOINT_XFER_BULK:
case USB_ENDPOINT_XFER_INT:
_ep->maxburst = comp_desc->bMaxBurst + 1;
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 12628dd..12064d3 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -1079,13 +1079,13 @@
agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc);
if (!agdev->out_ep) {
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
- goto err;
+ return ret;
}
agdev->in_ep = usb_ep_autoconfig(gadget, &fs_epin_desc);
if (!agdev->in_ep) {
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
- goto err;
+ return ret;
}
uac2->p_prm.uac2 = uac2;
@@ -1102,7 +1102,7 @@
ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL);
if (ret)
- goto err;
+ return ret;
prm = &agdev->uac2.c_prm;
prm->max_psize = hs_epout_desc.wMaxPacketSize;
@@ -1117,19 +1117,19 @@
prm->rbuf = kzalloc(prm->max_psize * USB_XFERS, GFP_KERNEL);
if (!prm->rbuf) {
prm->max_psize = 0;
- goto err_free_descs;
+ goto err;
}
ret = alsa_uac2_init(agdev);
if (ret)
- goto err_free_descs;
+ goto err;
return 0;
-err_free_descs:
- usb_free_all_descriptors(fn);
err:
kfree(agdev->uac2.p_prm.rbuf);
kfree(agdev->uac2.c_prm.rbuf);
+err_free_descs:
+ usb_free_all_descriptors(fn);
return -EINVAL;
}
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index 6554322..7413f89 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -594,13 +594,6 @@
req->length = length;
- /* throttle high/super speed IRQ rate back slightly */
- if (gadget_is_dualspeed(dev->gadget))
- req->no_interrupt = (dev->gadget->speed == USB_SPEED_HIGH ||
- dev->gadget->speed == USB_SPEED_SUPER)
- ? ((atomic_read(&dev->tx_qlen) % dev->qmult) != 0)
- : 0;
-
retval = usb_ep_queue(in, req, GFP_ATOMIC);
switch (retval) {
default:
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index 3d0d5d9..0f01c04 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -243,7 +243,7 @@
req_size = video->ep->maxpacket
* max_t(unsigned int, video->ep->maxburst, 1)
- * (video->ep->mult + 1);
+ * (video->ep->mult);
for (i = 0; i < UVC_NUM_REQUESTS; ++i) {
video->req_buffer[i] = kmalloc(req_size, GFP_KERNEL);
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 760cb57..9d1192a 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -72,7 +72,7 @@
static const char hcd_name [] = "ohci_hcd";
#define STATECHANGE_DELAY msecs_to_jiffies(300)
-#define IO_WATCHDOG_DELAY msecs_to_jiffies(250)
+#define IO_WATCHDOG_DELAY msecs_to_jiffies(275)
#include "ohci.h"
#include "pci-quirks.h"
diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c
index 940304c..02260cf 100644
--- a/drivers/usb/host/uhci-pci.c
+++ b/drivers/usb/host/uhci-pci.c
@@ -129,6 +129,10 @@
if (to_pci_dev(uhci_dev(uhci))->vendor == PCI_VENDOR_ID_HP)
uhci->wait_for_hp = 1;
+ /* Intel controllers use non-PME wakeup signalling */
+ if (to_pci_dev(uhci_dev(uhci))->vendor == PCI_VENDOR_ID_INTEL)
+ device_set_run_wake(uhci_dev(uhci), 1);
+
/* Set up pointers to PCI-specific functions */
uhci->reset_hc = uhci_pci_reset_hc;
uhci->check_and_reset_hc = uhci_pci_check_and_reset_hc;
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 1da8766..b9d6940 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1157,7 +1157,7 @@
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_RESUME);
spin_unlock_irqrestore(&xhci->lock, flags);
- msleep(20);
+ msleep(USB_RESUME_TIMEOUT);
spin_lock_irqsave(&xhci->lock, flags);
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_U0);
@@ -1401,7 +1401,7 @@
if (need_usb2_u3_exit) {
spin_unlock_irqrestore(&xhci->lock, flags);
- msleep(20);
+ msleep(USB_RESUME_TIMEOUT);
spin_lock_irqsave(&xhci->lock, flags);
}
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 963867c..cf147cc 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -45,6 +45,7 @@
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
+#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_XHCI 0x9cb1
#define PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI 0x22b5
#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI 0xa12f
#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI 0x9d2f
@@ -154,7 +155,8 @@
xhci->quirks |= XHCI_SPURIOUS_REBOOT;
}
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
- pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) {
+ (pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_XHCI)) {
xhci->quirks |= XHCI_SPURIOUS_REBOOT;
xhci->quirks |= XHCI_SPURIOUS_WAKEUP;
}
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 6eccded..fe7452f 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -130,6 +130,7 @@
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
+ { USB_DEVICE(0x10C4, 0x8962) }, /* Brim Brothers charging dock */
{ USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */
{ USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */
{ USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */
@@ -845,7 +846,9 @@
unsigned int control;
int result;
- cp210x_get_config(port, CP210X_GET_MDMSTS, &control, 1);
+ result = cp210x_get_config(port, CP210X_GET_MDMSTS, &control, 1);
+ if (result)
+ return result;
result = ((control & CONTROL_DTR) ? TIOCM_DTR : 0)
|((control & CONTROL_RTS) ? TIOCM_RTS : 0)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8c48c9d..d3d6ec4 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -986,7 +986,8 @@
/* ekey Devices */
{ USB_DEVICE(FTDI_VID, FTDI_EKEY_CONV_USB_PID) },
/* Infineon Devices */
- { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC1798_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_TC2X7_PID, 1) },
/* GE Healthcare devices */
{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
/* Active Research (Actisense) devices */
@@ -1011,6 +1012,8 @@
{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) },
{ USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) },
{ USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
+ { USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
+ .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index f87a938..48ee04c 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -596,6 +596,12 @@
#define STK541_PID 0x2109 /* Zigbee Controller */
/*
+ * Texas Instruments
+ */
+#define TI_VID 0x0451
+#define TI_CC3200_LAUNCHPAD_PID 0xC32A /* SimpleLink Wi-Fi CC3200 LaunchPad */
+
+/*
* Blackfin gnICE JTAG
* http://docs.blackfin.uclinux.org/doku.php?id=hw:jtag:gnice
*/
@@ -626,8 +632,9 @@
/*
* Infineon Technologies
*/
-#define INFINEON_VID 0x058b
-#define INFINEON_TRIBOARD_PID 0x0028 /* DAS JTAG TriBoard TC1798 V1.0 */
+#define INFINEON_VID 0x058b
+#define INFINEON_TRIBOARD_TC1798_PID 0x0028 /* DAS JTAG TriBoard TC1798 V1.0 */
+#define INFINEON_TRIBOARD_TC2X7_PID 0x0043 /* DAS JTAG TriBoard TC2X7 V1.0 */
/*
* Acton Research Corp.
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index e020ad2..53c9013 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -296,7 +296,7 @@
rc = usb_serial_generic_open(tty, port);
if (rc) {
retval = rc;
- goto exit;
+ goto err_free_cfg;
}
rc = usb_control_msg(port->serial->dev,
@@ -315,17 +315,32 @@
dev_dbg(&port->dev, "%s - enabled reading\n", __func__);
rc = klsi_105_get_line_state(port, &line_state);
- if (rc >= 0) {
- spin_lock_irqsave(&priv->lock, flags);
- priv->line_state = line_state;
- spin_unlock_irqrestore(&priv->lock, flags);
- dev_dbg(&port->dev, "%s - read line state 0x%lx\n", __func__, line_state);
- retval = 0;
- } else
+ if (rc < 0) {
retval = rc;
+ goto err_disable_read;
+ }
-exit:
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->line_state = line_state;
+ spin_unlock_irqrestore(&priv->lock, flags);
+ dev_dbg(&port->dev, "%s - read line state 0x%lx\n", __func__,
+ line_state);
+
+ return 0;
+
+err_disable_read:
+ usb_control_msg(port->serial->dev,
+ usb_sndctrlpipe(port->serial->dev, 0),
+ KL5KUSB105A_SIO_CONFIGURE,
+ USB_TYPE_VENDOR | USB_DIR_OUT,
+ KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
+ 0, /* index */
+ NULL, 0,
+ KLSI_TIMEOUT);
+ usb_serial_generic_close(port);
+err_free_cfg:
kfree(cfg);
+
return retval;
}
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 9894e34..7ce31a4 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -268,6 +268,8 @@
#define TELIT_PRODUCT_CC864_SINGLE 0x1006
#define TELIT_PRODUCT_DE910_DUAL 0x1010
#define TELIT_PRODUCT_UE910_V2 0x1012
+#define TELIT_PRODUCT_LE922_USBCFG1 0x1040
+#define TELIT_PRODUCT_LE922_USBCFG2 0x1041
#define TELIT_PRODUCT_LE922_USBCFG0 0x1042
#define TELIT_PRODUCT_LE922_USBCFG3 0x1043
#define TELIT_PRODUCT_LE922_USBCFG5 0x1045
@@ -1210,6 +1212,10 @@
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG0),
.driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg0 },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG1),
+ .driver_info = (kernel_ulong_t)&telit_le910_blacklist },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG2),
+ .driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG3),
.driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG5, 0xff),
@@ -1989,6 +1995,7 @@
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) }, /* D-Link DWM-158 */
{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index a0ca291..e7e29c7 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1077,7 +1077,8 @@
serial->disconnected = 0;
- usb_serial_console_init(serial->port[0]->minor);
+ if (num_ports > 0)
+ usb_serial_console_init(serial->port[0]->minor);
exit:
module_put(type->driver.owner);
return 0;
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index 5e67f63..02f86dd 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -919,10 +919,15 @@
/* COMMAND STAGE */
/* let's send the command via the control pipe */
+ /*
+ * Command is sometime (f.e. after scsi_eh_prep_cmnd) on the stack.
+ * Stack may be vmallocated. So no DMA for us. Make a copy.
+ */
+ memcpy(us->iobuf, srb->cmnd, srb->cmd_len);
result = usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,
US_CBI_ADSC,
USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0,
- us->ifnum, srb->cmnd, srb->cmd_len);
+ us->ifnum, us->iobuf, srb->cmd_len);
/* check the return code for the command */
usb_stor_dbg(us, "Call to usb_stor_ctrl_transfer() returned %d\n",
diff --git a/drivers/uwb/lc-rc.c b/drivers/uwb/lc-rc.c
index d059ad4..97ee1b4 100644
--- a/drivers/uwb/lc-rc.c
+++ b/drivers/uwb/lc-rc.c
@@ -56,8 +56,11 @@
struct uwb_rc *rc = NULL;
dev = class_find_device(&uwb_rc_class, NULL, &index, uwb_rc_index_match);
- if (dev)
+ if (dev) {
rc = dev_get_drvdata(dev);
+ put_device(dev);
+ }
+
return rc;
}
@@ -467,7 +470,9 @@
if (dev) {
rc = dev_get_drvdata(dev);
__uwb_rc_get(rc);
+ put_device(dev);
}
+
return rc;
}
EXPORT_SYMBOL_GPL(__uwb_rc_try_get);
@@ -520,8 +525,11 @@
dev = class_find_device(&uwb_rc_class, NULL, grandpa_dev,
find_rc_grandpa);
- if (dev)
+ if (dev) {
rc = dev_get_drvdata(dev);
+ put_device(dev);
+ }
+
return rc;
}
EXPORT_SYMBOL_GPL(uwb_rc_get_by_grandpa);
@@ -553,8 +561,10 @@
struct uwb_rc *rc = NULL;
dev = class_find_device(&uwb_rc_class, NULL, addr, find_rc_dev);
- if (dev)
+ if (dev) {
rc = dev_get_drvdata(dev);
+ put_device(dev);
+ }
return rc;
}
diff --git a/drivers/uwb/pal.c b/drivers/uwb/pal.c
index c1304b8..678e937 100644
--- a/drivers/uwb/pal.c
+++ b/drivers/uwb/pal.c
@@ -97,6 +97,8 @@
dev = class_find_device(&uwb_rc_class, NULL, target_rc, find_rc);
+ put_device(dev);
+
return (dev != NULL);
}
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index dc2b941..a01a41a 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -548,7 +548,8 @@
if (!(vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT)) {
vq->avail_flags_shadow |= VRING_AVAIL_F_NO_INTERRUPT;
- vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow);
+ if (!vq->event)
+ vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow);
}
}
@@ -580,7 +581,8 @@
* entry. Always do both to keep code simple. */
if (vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT) {
vq->avail_flags_shadow &= ~VRING_AVAIL_F_NO_INTERRUPT;
- vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow);
+ if (!vq->event)
+ vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow);
}
vring_used_event(&vq->vring) = cpu_to_virtio16(_vq->vdev, last_used_idx = vq->last_used_idx);
END_USE(vq);
@@ -648,10 +650,11 @@
* more to do. */
/* Depending on the VIRTIO_RING_F_USED_EVENT_IDX feature, we need to
* either clear the flags bit or point the event index at the next
- * entry. Always do both to keep code simple. */
+ * entry. Always update the event index to keep code simple. */
if (vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT) {
vq->avail_flags_shadow &= ~VRING_AVAIL_F_NO_INTERRUPT;
- vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow);
+ if (!vq->event)
+ vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow);
}
/* TODO: tune this threshold */
bufs = (u16)(vq->avail_idx_shadow - vq->last_used_idx) * 3 / 4;
@@ -770,7 +773,8 @@
/* No callback? Tell other side not to bother us. */
if (!callback) {
vq->avail_flags_shadow |= VRING_AVAIL_F_NO_INTERRUPT;
- vq->vring.avail->flags = cpu_to_virtio16(vdev, vq->avail_flags_shadow);
+ if (!vq->event)
+ vq->vring.avail->flags = cpu_to_virtio16(vdev, vq->avail_flags_shadow);
}
/* Put everything in free lists. */
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 1be5dd0..308600a 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -804,7 +804,7 @@
vma->vm_ops = &gntdev_vmops;
- vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_IO;
+ vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_MIXEDMAP;
if (use_ptemod)
vma->vm_flags |= VM_DONTCOPY;
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 44d4a1e..f10dbac 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -759,7 +759,7 @@
return true; /* already a holder */
else if (bdev->bd_holder != NULL)
return false; /* held by someone else */
- else if (bdev->bd_contains == bdev)
+ else if (whole == bdev)
return true; /* is a whole device which isn't held */
else if (whole->bd_holder == bd_may_claim)
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index 9aba42b..a09264d 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -70,6 +70,20 @@
normal_work_helper(work); \
}
+bool btrfs_workqueue_normal_congested(struct btrfs_workqueue *wq)
+{
+ /*
+ * We could compare wq->normal->pending with num_online_cpus()
+ * to support "thresh == NO_THRESHOLD" case, but it requires
+ * moving up atomic_inc/dec in thresh_queue/exec_hook. Let's
+ * postpone it until someone needs the support of that case.
+ */
+ if (wq->normal->thresh == NO_THRESHOLD)
+ return false;
+
+ return atomic_read(&wq->normal->pending) > wq->normal->thresh * 2;
+}
+
BTRFS_WORK_HELPER(worker_helper);
BTRFS_WORK_HELPER(delalloc_helper);
BTRFS_WORK_HELPER(flush_delalloc_helper);
diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h
index ad4d064..8e1d657 100644
--- a/fs/btrfs/async-thread.h
+++ b/fs/btrfs/async-thread.h
@@ -80,4 +80,5 @@
void btrfs_destroy_workqueue(struct btrfs_workqueue *wq);
void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max);
void btrfs_set_work_high_priority(struct btrfs_work *work);
+bool btrfs_workqueue_normal_congested(struct btrfs_workqueue *wq);
#endif
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 1391f72..e847573 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3070,6 +3070,8 @@
cpu->target = le64_to_cpu(disk->target);
cpu->flags = le64_to_cpu(disk->flags);
cpu->limit = le64_to_cpu(disk->limit);
+ cpu->stripes_min = le32_to_cpu(disk->stripes_min);
+ cpu->stripes_max = le32_to_cpu(disk->stripes_max);
}
static inline void
@@ -3088,6 +3090,8 @@
disk->target = cpu_to_le64(cpu->target);
disk->flags = cpu_to_le64(cpu->flags);
disk->limit = cpu_to_le64(cpu->limit);
+ disk->stripes_min = cpu_to_le32(cpu->stripes_min);
+ disk->stripes_max = cpu_to_le32(cpu->stripes_max);
}
/* struct btrfs_super_block */
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 02b934d..09fa5af 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1375,7 +1375,8 @@
total_done++;
btrfs_release_prepared_delayed_node(delayed_node);
- if (async_work->nr == 0 || total_done < async_work->nr)
+ if ((async_work->nr == 0 && total_done < BTRFS_DELAYED_WRITEBACK) ||
+ total_done < async_work->nr)
goto again;
free_path:
@@ -1391,7 +1392,8 @@
{
struct btrfs_async_delayed_work *async_work;
- if (atomic_read(&delayed_root->items) < BTRFS_DELAYED_BACKGROUND)
+ if (atomic_read(&delayed_root->items) < BTRFS_DELAYED_BACKGROUND ||
+ btrfs_workqueue_normal_congested(fs_info->delayed_workers))
return 0;
async_work = kmalloc(sizeof(*async_work), GFP_NOFS);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 47cdc6f..2af08c3 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -8486,14 +8486,13 @@
ret = btrfs_lookup_extent_info(trans, root, bytenr, level - 1, 1,
&wc->refs[level - 1],
&wc->flags[level - 1]);
- if (ret < 0) {
- btrfs_tree_unlock(next);
- return ret;
- }
+ if (ret < 0)
+ goto out_unlock;
if (unlikely(wc->refs[level - 1] == 0)) {
btrfs_err(root->fs_info, "Missing references.");
- BUG();
+ ret = -EIO;
+ goto out_unlock;
}
*lookup_info = 0;
@@ -8545,7 +8544,12 @@
}
level--;
- BUG_ON(level != btrfs_header_level(next));
+ ASSERT(level == btrfs_header_level(next));
+ if (level != btrfs_header_level(next)) {
+ btrfs_err(root->fs_info, "mismatched level");
+ ret = -EIO;
+ goto out_unlock;
+ }
path->nodes[level] = next;
path->slots[level] = 0;
path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;
@@ -8560,8 +8564,15 @@
if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF) {
parent = path->nodes[level]->start;
} else {
- BUG_ON(root->root_key.objectid !=
+ ASSERT(root->root_key.objectid ==
btrfs_header_owner(path->nodes[level]));
+ if (root->root_key.objectid !=
+ btrfs_header_owner(path->nodes[level])) {
+ btrfs_err(root->fs_info,
+ "mismatched block owner");
+ ret = -EIO;
+ goto out_unlock;
+ }
parent = 0;
}
@@ -8578,12 +8589,18 @@
}
ret = btrfs_free_extent(trans, root, bytenr, blocksize, parent,
root->root_key.objectid, level - 1, 0);
- BUG_ON(ret); /* -ENOMEM */
+ if (ret)
+ goto out_unlock;
}
+
+ *lookup_info = 1;
+ ret = 1;
+
+out_unlock:
btrfs_tree_unlock(next);
free_extent_buffer(next);
- *lookup_info = 1;
- return 1;
+
+ return ret;
}
/*
@@ -9686,6 +9703,11 @@
struct extent_buffer *leaf;
int need_clear = 0;
u64 cache_gen;
+ u64 feature;
+ int mixed;
+
+ feature = btrfs_super_incompat_flags(info->super_copy);
+ mixed = !!(feature & BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS);
root = info->extent_root;
key.objectid = 0;
@@ -9739,6 +9761,15 @@
btrfs_item_ptr_offset(leaf, path->slots[0]),
sizeof(cache->item));
cache->flags = btrfs_block_group_flags(&cache->item);
+ if (!mixed &&
+ ((cache->flags & BTRFS_BLOCK_GROUP_METADATA) &&
+ (cache->flags & BTRFS_BLOCK_GROUP_DATA))) {
+ btrfs_err(info,
+"bg %llu is a mixed block group but filesystem hasn't enabled mixed block groups",
+ cache->key.objectid);
+ ret = -EINVAL;
+ goto error;
+ }
key.objectid = found_key.objectid + found_key.offset;
btrfs_release_path(path);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 257bbdc..e767f34 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -5294,11 +5294,20 @@
lock_page(page);
}
locked_pages++;
+ }
+ /*
+ * We need to firstly lock all pages to make sure that
+ * the uptodate bit of our pages won't be affected by
+ * clear_extent_buffer_uptodate().
+ */
+ for (i = start_i; i < num_pages; i++) {
+ page = eb->pages[i];
if (!PageUptodate(page)) {
num_reads++;
all_uptodate = 0;
}
}
+
if (all_uptodate) {
if (start_i == 0)
set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4bc9dbf..3cff652 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8691,9 +8691,14 @@
* So even we call qgroup_free_data(), it won't decrease reserved
* space.
* 2) Not written to disk
- * This means the reserved space should be freed here.
+ * This means the reserved space should be freed here. However,
+ * if a truncate invalidates the page (by clearing PageDirty)
+ * and the page is accounted for while allocating extent
+ * in btrfs_check_data_free_space() we let delayed_ref to
+ * free the entire extent.
*/
- btrfs_qgroup_free_data(inode, page_start, PAGE_CACHE_SIZE);
+ if (PageDirty(page))
+ btrfs_qgroup_free_data(inode, page_start, PAGE_SIZE);
if (!inode_evicting) {
clear_extent_bit(tree, page_start, page_end,
EXTENT_LOCKED | EXTENT_DIRTY |
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index a7e18db..317b99a 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3825,6 +3825,11 @@
}
btrfs_release_path(path);
key.offset = next_key_min_offset;
+
+ if (fatal_signal_pending(current)) {
+ ret = -EINTR;
+ goto out;
+ }
}
ret = 0;
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index bcc965ed..88d9b66 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -2283,10 +2283,6 @@
int err = -ENOMEM;
int ret = 0;
- mutex_lock(&fs_info->qgroup_rescan_lock);
- fs_info->qgroup_rescan_running = true;
- mutex_unlock(&fs_info->qgroup_rescan_lock);
-
path = btrfs_alloc_path();
if (!path)
goto out;
@@ -2397,6 +2393,7 @@
sizeof(fs_info->qgroup_rescan_progress));
fs_info->qgroup_rescan_progress.objectid = progress_objectid;
init_completion(&fs_info->qgroup_rescan_completion);
+ fs_info->qgroup_rescan_running = true;
spin_unlock(&fs_info->qgroup_lock);
mutex_unlock(&fs_info->qgroup_rescan_lock);
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index b4ca545..8ca9aa9 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -921,9 +921,16 @@
path2->slots[level]--;
eb = path2->nodes[level];
- WARN_ON(btrfs_node_blockptr(eb, path2->slots[level]) !=
- cur->bytenr);
-
+ if (btrfs_node_blockptr(eb, path2->slots[level]) !=
+ cur->bytenr) {
+ btrfs_err(root->fs_info,
+ "couldn't find block (%llu) (level %d) in tree (%llu) with key (%llu %u %llu)",
+ cur->bytenr, level - 1, root->objectid,
+ node_key->objectid, node_key->type,
+ node_key->offset);
+ err = -ENOENT;
+ goto out;
+ }
lower = cur;
need_check = true;
for (; level < BTRFS_MAX_LEVEL; level++) {
@@ -2343,6 +2350,10 @@
while (!list_empty(list)) {
reloc_root = list_entry(list->next, struct btrfs_root,
root_list);
+ free_extent_buffer(reloc_root->node);
+ free_extent_buffer(reloc_root->commit_root);
+ reloc_root->node = NULL;
+ reloc_root->commit_root = NULL;
__del_reloc_root(reloc_root);
}
}
@@ -2676,11 +2687,15 @@
if (!upper->eb) {
ret = btrfs_search_slot(trans, root, key, path, 0, 1);
- if (ret < 0) {
- err = ret;
+ if (ret) {
+ if (ret < 0)
+ err = ret;
+ else
+ err = -ENOENT;
+
+ btrfs_release_path(path);
break;
}
- BUG_ON(ret > 0);
if (!upper->eb) {
upper->eb = path->nodes[upper->level];
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 1415f6d..ee7832e 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1923,12 +1923,11 @@
next:
/* check the next slot in the tree to see if it is a valid item */
nritems = btrfs_header_nritems(path->nodes[0]);
+ path->slots[0]++;
if (path->slots[0] >= nritems) {
ret = btrfs_next_leaf(root, path);
if (ret)
goto out;
- } else {
- path->slots[0]++;
}
btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
@@ -2696,14 +2695,12 @@
int index, int error)
{
struct btrfs_log_ctx *ctx;
+ struct btrfs_log_ctx *safe;
- if (!error) {
- INIT_LIST_HEAD(&root->log_ctxs[index]);
- return;
- }
-
- list_for_each_entry(ctx, &root->log_ctxs[index], list)
+ list_for_each_entry_safe(ctx, safe, &root->log_ctxs[index], list) {
+ list_del_init(&ctx->list);
ctx->log_ret = error;
+ }
INIT_LIST_HEAD(&root->log_ctxs[index]);
}
@@ -2944,13 +2941,9 @@
mutex_unlock(&root->log_mutex);
out_wake_log_root:
- /*
- * We needn't get log_mutex here because we are sure all
- * the other tasks are blocked.
- */
+ mutex_lock(&log_root_tree->log_mutex);
btrfs_remove_all_log_ctxs(log_root_tree, index2, ret);
- mutex_lock(&log_root_tree->log_mutex);
log_root_tree->log_transid_committed++;
atomic_set(&log_root_tree->log_commit[index2], 0);
mutex_unlock(&log_root_tree->log_mutex);
@@ -2961,10 +2954,8 @@
if (waitqueue_active(&log_root_tree->log_commit_wait[index2]))
wake_up(&log_root_tree->log_commit_wait[index2]);
out:
- /* See above. */
- btrfs_remove_all_log_ctxs(root, index1, ret);
-
mutex_lock(&root->log_mutex);
+ btrfs_remove_all_log_ctxs(root, index1, ret);
root->log_transid_committed++;
atomic_set(&root->log_commit[index1], 0);
mutex_unlock(&root->log_mutex);
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index c669a14..b768836 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -627,6 +627,8 @@
#ifdef CONFIG_CIFS_SMB2
unsigned int max_read;
unsigned int max_write;
+ struct delayed_work reconnect; /* reconnect workqueue job */
+ struct mutex reconnect_mutex; /* prevent simultaneous reconnects */
#endif /* CONFIG_CIFS_SMB2 */
};
@@ -826,6 +828,7 @@
struct cifs_tcon {
struct list_head tcon_list;
int tc_count;
+ struct list_head rlist; /* reconnect list */
struct list_head openFileList;
spinlock_t open_file_lock; /* protects list above */
struct cifs_ses *ses; /* pointer to session associated with */
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index c63fd1d..54590fd 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -205,6 +205,9 @@
struct tcon_link *tlink,
struct cifs_pending_open *open);
extern void cifs_del_pending_open(struct cifs_pending_open *open);
+extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
+ int from_reconnect);
+extern void cifs_put_tcon(struct cifs_tcon *tcon);
#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
extern void cifs_dfs_release_automount_timer(void);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 812a8cb..5d59f25 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -52,6 +52,9 @@
#include "nterr.h"
#include "rfc1002pdu.h"
#include "fscache.h"
+#ifdef CONFIG_CIFS_SMB2
+#include "smb2proto.h"
+#endif
#define CIFS_PORT 445
#define RFC1001_PORT 139
@@ -2113,8 +2116,8 @@
return NULL;
}
-static void
-cifs_put_tcp_session(struct TCP_Server_Info *server)
+void
+cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect)
{
struct task_struct *task;
@@ -2131,6 +2134,19 @@
cancel_delayed_work_sync(&server->echo);
+#ifdef CONFIG_CIFS_SMB2
+ if (from_reconnect)
+ /*
+ * Avoid deadlock here: reconnect work calls
+ * cifs_put_tcp_session() at its end. Need to be sure
+ * that reconnect work does nothing with server pointer after
+ * that step.
+ */
+ cancel_delayed_work(&server->reconnect);
+ else
+ cancel_delayed_work_sync(&server->reconnect);
+#endif
+
spin_lock(&GlobalMid_Lock);
server->tcpStatus = CifsExiting;
spin_unlock(&GlobalMid_Lock);
@@ -2195,6 +2211,10 @@
INIT_LIST_HEAD(&tcp_ses->tcp_ses_list);
INIT_LIST_HEAD(&tcp_ses->smb_ses_list);
INIT_DELAYED_WORK(&tcp_ses->echo, cifs_echo_request);
+#ifdef CONFIG_CIFS_SMB2
+ INIT_DELAYED_WORK(&tcp_ses->reconnect, smb2_reconnect_server);
+ mutex_init(&tcp_ses->reconnect_mutex);
+#endif
memcpy(&tcp_ses->srcaddr, &volume_info->srcaddr,
sizeof(tcp_ses->srcaddr));
memcpy(&tcp_ses->dstaddr, &volume_info->dstaddr,
@@ -2347,7 +2367,7 @@
spin_unlock(&cifs_tcp_ses_lock);
sesInfoFree(ses);
- cifs_put_tcp_session(server);
+ cifs_put_tcp_session(server, 0);
}
#ifdef CONFIG_KEYS
@@ -2521,7 +2541,7 @@
mutex_unlock(&ses->session_mutex);
/* existing SMB ses has a server reference already */
- cifs_put_tcp_session(server);
+ cifs_put_tcp_session(server, 0);
free_xid(xid);
return ses;
}
@@ -2611,7 +2631,7 @@
return NULL;
}
-static void
+void
cifs_put_tcon(struct cifs_tcon *tcon)
{
unsigned int xid;
@@ -3767,7 +3787,7 @@
else if (ses)
cifs_put_smb_ses(ses);
else
- cifs_put_tcp_session(server);
+ cifs_put_tcp_session(server, 0);
bdi_destroy(&cifs_sb->bdi);
}
@@ -4078,7 +4098,7 @@
ses = cifs_get_smb_ses(master_tcon->ses->server, vol_info);
if (IS_ERR(ses)) {
tcon = (struct cifs_tcon *)ses;
- cifs_put_tcp_session(master_tcon->ses->server);
+ cifs_put_tcp_session(master_tcon->ses->server, 0);
goto out;
}
diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c
index f9e766f..b2aff0c 100644
--- a/fs/cifs/smb2file.c
+++ b/fs/cifs/smb2file.c
@@ -260,7 +260,7 @@
* and check it for zero before using.
*/
max_buf = tlink_tcon(cfile->tlink)->ses->server->maxBuf;
- if (!max_buf) {
+ if (max_buf < sizeof(struct smb2_lock_element)) {
free_xid(xid);
return -EINVAL;
}
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 0dbbdf5..2fa754c 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -278,7 +278,7 @@
case SMB2_CHANGE_NOTIFY:
case SMB2_QUERY_INFO:
case SMB2_SET_INFO:
- return -EAGAIN;
+ rc = -EAGAIN;
}
unload_nls(nls_codepage);
return rc;
@@ -1822,6 +1822,54 @@
add_credits(server, credits_received, CIFS_ECHO_OP);
}
+void smb2_reconnect_server(struct work_struct *work)
+{
+ struct TCP_Server_Info *server = container_of(work,
+ struct TCP_Server_Info, reconnect.work);
+ struct cifs_ses *ses;
+ struct cifs_tcon *tcon, *tcon2;
+ struct list_head tmp_list;
+ int tcon_exist = false;
+
+ /* Prevent simultaneous reconnects that can corrupt tcon->rlist list */
+ mutex_lock(&server->reconnect_mutex);
+
+ INIT_LIST_HEAD(&tmp_list);
+ cifs_dbg(FYI, "Need negotiate, reconnecting tcons\n");
+
+ spin_lock(&cifs_tcp_ses_lock);
+ list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
+ list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
+ if (tcon->need_reconnect) {
+ tcon->tc_count++;
+ list_add_tail(&tcon->rlist, &tmp_list);
+ tcon_exist = true;
+ }
+ }
+ }
+ /*
+ * Get the reference to server struct to be sure that the last call of
+ * cifs_put_tcon() in the loop below won't release the server pointer.
+ */
+ if (tcon_exist)
+ server->srv_count++;
+
+ spin_unlock(&cifs_tcp_ses_lock);
+
+ list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) {
+ smb2_reconnect(SMB2_ECHO, tcon);
+ list_del_init(&tcon->rlist);
+ cifs_put_tcon(tcon);
+ }
+
+ cifs_dbg(FYI, "Reconnecting tcons finished\n");
+ mutex_unlock(&server->reconnect_mutex);
+
+ /* now we can safely release srv struct */
+ if (tcon_exist)
+ cifs_put_tcp_session(server, 1);
+}
+
int
SMB2_echo(struct TCP_Server_Info *server)
{
@@ -1834,32 +1882,11 @@
cifs_dbg(FYI, "In echo request\n");
if (server->tcpStatus == CifsNeedNegotiate) {
- struct list_head *tmp, *tmp2;
- struct cifs_ses *ses;
- struct cifs_tcon *tcon;
-
- cifs_dbg(FYI, "Need negotiate, reconnecting tcons\n");
- spin_lock(&cifs_tcp_ses_lock);
- list_for_each(tmp, &server->smb_ses_list) {
- ses = list_entry(tmp, struct cifs_ses, smb_ses_list);
- list_for_each(tmp2, &ses->tcon_list) {
- tcon = list_entry(tmp2, struct cifs_tcon,
- tcon_list);
- /* add check for persistent handle reconnect */
- if (tcon && tcon->need_reconnect) {
- spin_unlock(&cifs_tcp_ses_lock);
- rc = smb2_reconnect(SMB2_ECHO, tcon);
- spin_lock(&cifs_tcp_ses_lock);
- }
- }
- }
- spin_unlock(&cifs_tcp_ses_lock);
+ /* No need to send echo on newly established connections */
+ queue_delayed_work(cifsiod_wq, &server->reconnect, 0);
+ return rc;
}
- /* if no session, renegotiate failed above */
- if (server->tcpStatus == CifsNeedNegotiate)
- return -EIO;
-
rc = small_smb2_init(SMB2_ECHO, NULL, (void **)&req);
if (rc)
return rc;
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 9bc59f9..0a406ae 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -95,6 +95,7 @@
extern int smb2_unlock_range(struct cifsFileInfo *cfile,
struct file_lock *flock, const unsigned int xid);
extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
+extern void smb2_reconnect_server(struct work_struct *work);
/*
* SMB2 Worker functions - most of protocol specific implementation details
diff --git a/fs/coredump.c b/fs/coredump.c
index dfc87c5..5d15c49 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -1,6 +1,7 @@
#include <linux/slab.h>
#include <linux/file.h>
#include <linux/fdtable.h>
+#include <linux/freezer.h>
#include <linux/mm.h>
#include <linux/stat.h>
#include <linux/fcntl.h>
@@ -399,7 +400,9 @@
if (core_waiters > 0) {
struct core_thread *ptr;
+ freezer_do_not_count();
wait_for_completion(&core_state->startup);
+ freezer_count();
/*
* Wait for all the threads to become inactive, so that
* all the thread context (extended register state, like
diff --git a/fs/exec.c b/fs/exec.c
index b06623a..3a6de10 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -19,7 +19,7 @@
* current->executable is only used by the procfs. This allows a dispatch
* table to check for several different types of binary formats. We keep
* trying until we recognize the file or we run out of supported binary
- * formats.
+ * formats.
*/
#include <linux/slab.h>
@@ -56,6 +56,7 @@
#include <linux/pipe_fs_i.h>
#include <linux/oom.h>
#include <linux/compat.h>
+#include <linux/user_namespace.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
@@ -1114,6 +1115,13 @@
flush_thread();
current->personality &= ~bprm->per_clear;
+ /*
+ * We have to apply CLOEXEC before we change whether the process is
+ * dumpable (in setup_new_exec) to avoid a race with a process in userspace
+ * trying to access the should-be-closed file descriptors of a process
+ * undergoing exec(2).
+ */
+ do_close_on_exec(current->files);
return 0;
out:
@@ -1123,8 +1131,22 @@
void would_dump(struct linux_binprm *bprm, struct file *file)
{
- if (inode_permission(file_inode(file), MAY_READ) < 0)
+ struct inode *inode = file_inode(file);
+ if (inode_permission(inode, MAY_READ) < 0) {
+ struct user_namespace *old, *user_ns;
bprm->interp_flags |= BINPRM_FLAGS_ENFORCE_NONDUMP;
+
+ /* Ensure mm->user_ns contains the executable */
+ user_ns = old = bprm->mm->user_ns;
+ while ((user_ns != &init_user_ns) &&
+ !privileged_wrt_inode_uidgid(user_ns, inode))
+ user_ns = user_ns->parent;
+
+ if (old != user_ns) {
+ bprm->mm->user_ns = get_user_ns(user_ns);
+ put_user_ns(old);
+ }
+ }
}
EXPORT_SYMBOL(would_dump);
@@ -1154,7 +1176,6 @@
!gid_eq(bprm->cred->gid, current_egid())) {
current->pdeath_signal = 0;
} else {
- would_dump(bprm, bprm->file);
if (bprm->interp_flags & BINPRM_FLAGS_ENFORCE_NONDUMP)
set_dumpable(current->mm, suid_dumpable);
}
@@ -1163,7 +1184,6 @@
group */
current->self_exec_id++;
flush_signal_handlers(current, 0);
- do_close_on_exec(current->files);
}
EXPORT_SYMBOL(setup_new_exec);
@@ -1254,7 +1274,7 @@
unsigned n_fs;
if (p->ptrace) {
- if (p->ptrace & PT_PTRACE_CAP)
+ if (ptracer_capable(p, current_user_ns()))
bprm->unsafe |= LSM_UNSAFE_PTRACE_CAP;
else
bprm->unsafe |= LSM_UNSAFE_PTRACE;
@@ -1587,6 +1607,8 @@
if (retval < 0)
goto out;
+ would_dump(bprm, bprm->file);
+
retval = exec_binprm(bprm);
if (retval < 0)
goto out;
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 483888e..0816e0a 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -221,6 +221,7 @@
#define EXT4_MAX_BLOCK_SIZE 65536
#define EXT4_MIN_BLOCK_LOG_SIZE 10
#define EXT4_MAX_BLOCK_LOG_SIZE 16
+#define EXT4_MAX_CLUSTER_LOG_SIZE 30
#ifdef __KERNEL__
# define EXT4_BLOCK_SIZE(s) ((s)->s_blocksize)
#else
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index 5f58462..f817ed5 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -395,17 +395,19 @@
return EXT4_INODE_WRITEBACK_DATA_MODE; /* writeback */
/* We do not support data journalling with delayed allocation */
if (!S_ISREG(inode->i_mode) ||
- test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
+ test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA ||
+ (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA) &&
+ !test_opt(inode->i_sb, DELALLOC))) {
+ /* We do not support data journalling for encrypted data */
+ if (S_ISREG(inode->i_mode) && ext4_encrypted_inode(inode))
+ return EXT4_INODE_ORDERED_DATA_MODE; /* ordered */
return EXT4_INODE_JOURNAL_DATA_MODE; /* journal data */
- if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA) &&
- !test_opt(inode->i_sb, DELALLOC))
- return EXT4_INODE_JOURNAL_DATA_MODE; /* journal data */
+ }
if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
return EXT4_INODE_ORDERED_DATA_MODE; /* ordered */
if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
return EXT4_INODE_WRITEBACK_DATA_MODE; /* writeback */
- else
- BUG();
+ BUG();
}
static inline int ext4_should_journal_data(struct inode *inode)
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index d884989..8968a93 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -336,8 +336,10 @@
len -= EXT4_MIN_INLINE_DATA_SIZE;
value = kzalloc(len, GFP_NOFS);
- if (!value)
+ if (!value) {
+ error = -ENOMEM;
goto out;
+ }
error = ext4_xattr_ibody_get(inode, i.name_index, i.name,
value, len);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c71d294..10690e5 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4175,6 +4175,7 @@
struct inode *inode;
journal_t *journal = EXT4_SB(sb)->s_journal;
long ret;
+ loff_t size;
int block;
uid_t i_uid;
gid_t i_gid;
@@ -4266,6 +4267,11 @@
ei->i_file_acl |=
((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32;
inode->i_size = ext4_isize(raw_inode);
+ if ((size = i_size_read(inode)) < 0) {
+ EXT4_ERROR_INODE(inode, "bad i_size value: %lld", size);
+ ret = -EFSCORRUPTED;
+ goto bad_inode;
+ }
ei->i_disksize = inode->i_size;
#ifdef CONFIG_QUOTA
ei->i_reserved_quota = 0;
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 3c7f0c4..b7a3957 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -669,7 +669,7 @@
ext4_grpblk_t min;
ext4_grpblk_t max;
ext4_grpblk_t chunk;
- unsigned short border;
+ unsigned int border;
BUG_ON(len > EXT4_CLUSTERS_PER_GROUP(sb));
@@ -2287,7 +2287,7 @@
struct ext4_group_info *grinfo;
struct sg {
struct ext4_group_info info;
- ext4_grpblk_t counters[16];
+ ext4_grpblk_t counters[EXT4_MAX_BLOCK_LOG_SIZE + 2];
} sg;
group--;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 244a4a9..63cd6aa 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3084,10 +3084,15 @@
ext4_set_bit(s++, buf);
count++;
}
- for (j = ext4_bg_num_gdb(sb, grp); j > 0; j--) {
- ext4_set_bit(EXT4_B2C(sbi, s++), buf);
- count++;
+ j = ext4_bg_num_gdb(sb, grp);
+ if (s + j > EXT4_BLOCKS_PER_GROUP(sb)) {
+ ext4_error(sb, "Invalid number of block group "
+ "descriptor blocks: %d", j);
+ j = EXT4_BLOCKS_PER_GROUP(sb) - s;
}
+ count += j;
+ for (; j > 0; j--)
+ ext4_set_bit(EXT4_B2C(sbi, s++), buf);
}
if (!count)
return 0;
@@ -3177,7 +3182,7 @@
char *orig_data = kstrdup(data, GFP_KERNEL);
struct buffer_head *bh;
struct ext4_super_block *es = NULL;
- struct ext4_sb_info *sbi;
+ struct ext4_sb_info *sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
ext4_fsblk_t block;
ext4_fsblk_t sb_block = get_sb_block(&data);
ext4_fsblk_t logical_sb_block;
@@ -3196,16 +3201,14 @@
unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO;
ext4_group_t first_not_zeroed;
- sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
- if (!sbi)
- goto out_free_orig;
+ if ((data && !orig_data) || !sbi)
+ goto out_free_base;
sbi->s_blockgroup_lock =
kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
- if (!sbi->s_blockgroup_lock) {
- kfree(sbi);
- goto out_free_orig;
- }
+ if (!sbi->s_blockgroup_lock)
+ goto out_free_base;
+
sb->s_fs_info = sbi;
sbi->s_sb = sb;
sbi->s_inode_readahead_blks = EXT4_DEF_INODE_READAHEAD_BLKS;
@@ -3354,11 +3357,19 @@
*/
sbi->s_li_wait_mult = EXT4_DEF_LI_WAIT_MULT;
- if (!parse_options((char *) sbi->s_es->s_mount_opts, sb,
- &journal_devnum, &journal_ioprio, 0)) {
- ext4_msg(sb, KERN_WARNING,
- "failed to parse options in superblock: %s",
- sbi->s_es->s_mount_opts);
+ if (sbi->s_es->s_mount_opts[0]) {
+ char *s_mount_opts = kstrndup(sbi->s_es->s_mount_opts,
+ sizeof(sbi->s_es->s_mount_opts),
+ GFP_KERNEL);
+ if (!s_mount_opts)
+ goto failed_mount;
+ if (!parse_options(s_mount_opts, sb, &journal_devnum,
+ &journal_ioprio, 0)) {
+ ext4_msg(sb, KERN_WARNING,
+ "failed to parse options in superblock: %s",
+ s_mount_opts);
+ }
+ kfree(s_mount_opts);
}
sbi->s_def_mount_opt = sbi->s_mount_opt;
if (!parse_options((char *) data, sb, &journal_devnum,
@@ -3384,6 +3395,11 @@
"both data=journal and dax");
goto failed_mount;
}
+ if (ext4_has_feature_encrypt(sb)) {
+ ext4_msg(sb, KERN_WARNING,
+ "encrypted files will use data=ordered "
+ "instead of data journaling mode");
+ }
if (test_opt(sb, DELALLOC))
clear_opt(sb, DELALLOC);
} else {
@@ -3444,7 +3460,15 @@
if (blocksize < EXT4_MIN_BLOCK_SIZE ||
blocksize > EXT4_MAX_BLOCK_SIZE) {
ext4_msg(sb, KERN_ERR,
- "Unsupported filesystem blocksize %d", blocksize);
+ "Unsupported filesystem blocksize %d (%d log_block_size)",
+ blocksize, le32_to_cpu(es->s_log_block_size));
+ goto failed_mount;
+ }
+ if (le32_to_cpu(es->s_log_block_size) >
+ (EXT4_MAX_BLOCK_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE)) {
+ ext4_msg(sb, KERN_ERR,
+ "Invalid log block size: %u",
+ le32_to_cpu(es->s_log_block_size));
goto failed_mount;
}
@@ -3538,12 +3562,16 @@
sbi->s_blocks_per_group = le32_to_cpu(es->s_blocks_per_group);
sbi->s_inodes_per_group = le32_to_cpu(es->s_inodes_per_group);
- if (EXT4_INODE_SIZE(sb) == 0 || EXT4_INODES_PER_GROUP(sb) == 0)
- goto cantfind_ext4;
sbi->s_inodes_per_block = blocksize / EXT4_INODE_SIZE(sb);
if (sbi->s_inodes_per_block == 0)
goto cantfind_ext4;
+ if (sbi->s_inodes_per_group < sbi->s_inodes_per_block ||
+ sbi->s_inodes_per_group > blocksize * 8) {
+ ext4_msg(sb, KERN_ERR, "invalid inodes per group: %lu\n",
+ sbi->s_blocks_per_group);
+ goto failed_mount;
+ }
sbi->s_itb_per_group = sbi->s_inodes_per_group /
sbi->s_inodes_per_block;
sbi->s_desc_per_block = blocksize / EXT4_DESC_SIZE(sb);
@@ -3583,6 +3611,13 @@
"block size (%d)", clustersize, blocksize);
goto failed_mount;
}
+ if (le32_to_cpu(es->s_log_cluster_size) >
+ (EXT4_MAX_CLUSTER_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE)) {
+ ext4_msg(sb, KERN_ERR,
+ "Invalid log cluster size: %u",
+ le32_to_cpu(es->s_log_cluster_size));
+ goto failed_mount;
+ }
sbi->s_cluster_bits = le32_to_cpu(es->s_log_cluster_size) -
le32_to_cpu(es->s_log_block_size);
sbi->s_clusters_per_group =
@@ -3619,13 +3654,6 @@
}
sbi->s_cluster_ratio = clustersize / blocksize;
- if (sbi->s_inodes_per_group > blocksize * 8) {
- ext4_msg(sb, KERN_ERR,
- "#inodes per group too big: %lu",
- sbi->s_inodes_per_group);
- goto failed_mount;
- }
-
/* Do we have standard group size of clustersize * 8 blocks ? */
if (sbi->s_blocks_per_group == clustersize << 3)
set_opt2(sb, STD_GROUP_SIZE);
@@ -4032,7 +4060,9 @@
if (___ratelimit(&ext4_mount_msg_ratelimit, "EXT4-fs mount"))
ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. "
- "Opts: %s%s%s", descr, sbi->s_es->s_mount_opts,
+ "Opts: %.*s%s%s", descr,
+ (int) sizeof(sbi->s_es->s_mount_opts),
+ sbi->s_es->s_mount_opts,
*sbi->s_es->s_mount_opts ? "; " : "", orig_data);
if (es->s_error_count)
@@ -4102,8 +4132,8 @@
out_fail:
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
+out_free_base:
kfree(sbi);
-out_free_orig:
kfree(orig_data);
return err ? err : ret;
}
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 478e5d5..24d6a51 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -352,6 +352,7 @@
}
static const struct file_operations stat_fops = {
+ .owner = THIS_MODULE,
.open = stat_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 682e799..8821c38 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1997,6 +1997,10 @@
{
struct inode *inode = page->mapping->host;
+ /* Haven't copied anything? Skip zeroing, size extending, dirtying. */
+ if (!copied)
+ goto unlock;
+
if (!PageUptodate(page)) {
/* Zero any unwritten bytes at the end of the page */
size_t endoff = (pos + copied) & ~PAGE_CACHE_MASK;
@@ -2007,6 +2011,8 @@
fuse_write_update_size(inode, pos + copied);
set_page_dirty(page);
+
+unlock:
unlock_page(page);
page_cache_release(page);
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 52a2831..48efe62 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -261,7 +261,7 @@
}
ret = -EPROTONOSUPPORT;
- if (minorversion == 0)
+ if (!IS_ENABLED(CONFIG_NFS_V4_1) || minorversion == 0)
ret = nfs4_callback_up_net(serv, net);
else if (xprt->ops->bc_up)
ret = xprt->ops->bc_up(serv, net);
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index ea0dd9e..63a0d0b 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -139,6 +139,8 @@
len -= bytes;
}
+ if (!error)
+ error = vfs_fsync(new_file, 0);
fput(new_file);
out_fput:
fput(old_file);
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index e49bd28..f5d5ee4 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -350,7 +350,7 @@
*/
static int ubifs_readdir(struct file *file, struct dir_context *ctx)
{
- int err;
+ int err = 0;
struct qstr nm;
union ubifs_key key;
struct ubifs_dent_node *dent;
@@ -452,14 +452,20 @@
kfree(file->private_data);
file->private_data = NULL;
- if (err != -ENOENT) {
+ if (err != -ENOENT)
ubifs_err(c, "cannot find next direntry, error %d", err);
- return err;
- }
+ else
+ /*
+ * -ENOENT is a non-fatal error in this context, the TNC uses
+ * it to indicate that the cursor moved past the current directory
+ * and readdir() has to stop.
+ */
+ err = 0;
+
/* 2 is a special value indicating that there are no more direntries */
ctx->pos = 2;
- return 0;
+ return err;
}
/* Free saved readdir() state when the directory is closed */
diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c
index 3cc3cf7..ac9a003 100644
--- a/fs/xfs/libxfs/xfs_dquot_buf.c
+++ b/fs/xfs/libxfs/xfs_dquot_buf.c
@@ -191,8 +191,7 @@
if (mp->m_quotainfo)
ndquots = mp->m_quotainfo->qi_dqperchunk;
else
- ndquots = xfs_calc_dquots_per_chunk(
- XFS_BB_TO_FSB(mp, bp->b_length));
+ ndquots = xfs_calc_dquots_per_chunk(bp->b_length);
for (i = 0; i < ndquots; i++, d++) {
if (!xfs_verify_cksum((char *)d, sizeof(struct xfs_dqblk),
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 5991cdcb9..8cab78e 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3980,6 +3980,7 @@
agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO);
offset = offsetof(xfs_agi_t, agi_unlinked) +
(sizeof(xfs_agino_t) * bucket);
+ xfs_trans_buf_set_type(tp, agibp, XFS_BLFT_AGI_BUF);
xfs_trans_log_buf(tp, agibp, offset,
(offset + sizeof(xfs_agino_t) - 1));
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 5f8249d..2654f75 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -247,8 +247,10 @@
return true;
}
#endif /* CONFIG_MULTIUSER */
+extern bool privileged_wrt_inode_uidgid(struct user_namespace *ns, const struct inode *inode);
extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap);
extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap);
+extern bool ptracer_capable(struct task_struct *tsk, struct user_namespace *ns);
/* audit system wants to get cap info from files as well */
extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index eeae401..287e698 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -251,7 +251,9 @@
#endif
#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
-#if GCC_VERSION >= 50000
+#if GCC_VERSION >= 70000
+#define KASAN_ABI_VERSION 5
+#elif GCC_VERSION >= 50000
#define KASAN_ABI_VERSION 4
#elif GCC_VERSION >= 40902
#define KASAN_ABI_VERSION 3
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index d2ca8c3..3ea9aae 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -131,22 +131,16 @@
{ .notifier_call = fn, .priority = pri }; \
__register_cpu_notifier(&fn##_nb); \
}
-#else /* #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) */
-#define cpu_notifier(fn, pri) do { (void)(fn); } while (0)
-#define __cpu_notifier(fn, pri) do { (void)(fn); } while (0)
-#endif /* #else #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) */
-#ifdef CONFIG_HOTPLUG_CPU
extern int register_cpu_notifier(struct notifier_block *nb);
extern int __register_cpu_notifier(struct notifier_block *nb);
extern void unregister_cpu_notifier(struct notifier_block *nb);
extern void __unregister_cpu_notifier(struct notifier_block *nb);
-#else
-#ifndef MODULE
-extern int register_cpu_notifier(struct notifier_block *nb);
-extern int __register_cpu_notifier(struct notifier_block *nb);
-#else
+#else /* #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) */
+#define cpu_notifier(fn, pri) do { (void)(fn); } while (0)
+#define __cpu_notifier(fn, pri) do { (void)(fn); } while (0)
+
static inline int register_cpu_notifier(struct notifier_block *nb)
{
return 0;
@@ -156,7 +150,6 @@
{
return 0;
}
-#endif
static inline void unregister_cpu_notifier(struct notifier_block *nb)
{
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 5110d42..ccb98b4 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -421,7 +421,11 @@
}
#endif /* CONFIG_DEBUG_SET_MODULE_RONX */
-int sk_filter(struct sock *sk, struct sk_buff *skb);
+int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap);
+static inline int sk_filter(struct sock *sk, struct sk_buff *skb)
+{
+ return sk_filter_trim_cap(sk, skb, 1);
+}
int bpf_prog_select_runtime(struct bpf_prog *fp);
void bpf_prog_free(struct bpf_prog *fp);
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 2d9b650..d49e26c 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -429,6 +429,7 @@
struct page_req_dsc *prq;
unsigned char prq_name[16]; /* Name for PRQ interrupt */
struct idr pasid_idr;
+ u32 pasid_max;
#endif
struct q_inval *qi; /* Queued invalidation info */
u32 *iommu_state; /* Store iommu states between suspend and resume.*/
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index f8d1492..2ccccbf 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -469,6 +469,7 @@
*/
struct task_struct __rcu *owner;
#endif
+ struct user_namespace *user_ns;
/* store ref to file /proc/<pid>/exe symlink points to */
struct file __rcu *exe_file;
diff --git a/include/linux/mroute.h b/include/linux/mroute.h
index 79aaa9f..d5277fc 100644
--- a/include/linux/mroute.h
+++ b/include/linux/mroute.h
@@ -103,5 +103,5 @@
struct rtmsg;
extern int ipmr_get_route(struct net *net, struct sk_buff *skb,
__be32 saddr, __be32 daddr,
- struct rtmsg *rtm, int nowait);
+ struct rtmsg *rtm, int nowait, u32 portid);
#endif
diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h
index 66982e7..f831155 100644
--- a/include/linux/mroute6.h
+++ b/include/linux/mroute6.h
@@ -115,7 +115,7 @@
struct rtmsg;
extern int ip6mr_get_route(struct net *net, struct sk_buff *skb,
- struct rtmsg *rtm, int nowait);
+ struct rtmsg *rtm, int nowait, u32 portid);
#ifdef CONFIG_IPV6_MROUTE
extern struct sock *mroute6_socket(struct net *net, struct sk_buff *skb);
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 12b4d54..9d60257 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2003,7 +2003,10 @@
/* Used in foo-over-udp, set in udp[46]_gro_receive */
u8 is_ipv6:1;
- /* 7 bit hole */
+ /* Number of gro_receive callbacks this packet already went through */
+ u8 recursion_counter:4;
+
+ /* 3 bit hole */
/* used to support CHECKSUM_COMPLETE for tunneling protocols */
__wsum csum;
@@ -2014,6 +2017,25 @@
#define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb)
+#define GRO_RECURSION_LIMIT 15
+static inline int gro_recursion_inc_test(struct sk_buff *skb)
+{
+ return ++NAPI_GRO_CB(skb)->recursion_counter == GRO_RECURSION_LIMIT;
+}
+
+typedef struct sk_buff **(*gro_receive_t)(struct sk_buff **, struct sk_buff *);
+static inline struct sk_buff **call_gro_receive(gro_receive_t cb,
+ struct sk_buff **head,
+ struct sk_buff *skb)
+{
+ if (unlikely(gro_recursion_inc_test(skb))) {
+ NAPI_GRO_CB(skb)->flush |= 1;
+ return NULL;
+ }
+
+ return cb(head, skb);
+}
+
struct packet_type {
__be16 type; /* This is really htons(ether_type). */
struct net_device *dev; /* NULL is wildcarded here */
@@ -2059,6 +2081,22 @@
struct udp_offload_callbacks callbacks;
};
+typedef struct sk_buff **(*gro_receive_udp_t)(struct sk_buff **,
+ struct sk_buff *,
+ struct udp_offload *);
+static inline struct sk_buff **call_gro_receive_udp(gro_receive_udp_t cb,
+ struct sk_buff **head,
+ struct sk_buff *skb,
+ struct udp_offload *uoff)
+{
+ if (unlikely(gro_recursion_inc_test(skb))) {
+ NAPI_GRO_CB(skb)->flush |= 1;
+ return NULL;
+ }
+
+ return cb(head, skb, uoff);
+}
+
/* often modified stats are per cpu, other are shared (netdev->stats) */
struct pcpu_sw_netstats {
u64 rx_packets;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index e89c7ee..5f37614 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1802,6 +1802,20 @@
return (pcie_caps_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4;
}
+static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
+{
+ while (1) {
+ if (!pci_is_pcie(dev))
+ break;
+ if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
+ return dev;
+ if (!dev->bus->self)
+ break;
+ dev = dev->bus->self;
+ }
+ return NULL;
+}
+
void pci_request_acs(void);
bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags);
bool pci_acs_path_enabled(struct pci_dev *start,
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 504c98a..e13bfdf 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -19,7 +19,6 @@
#define PT_SEIZED 0x00010000 /* SEIZE used, enable new behavior */
#define PT_PTRACED 0x00000001
#define PT_DTRACE 0x00000002 /* delayed trace (used on m68k, i386) */
-#define PT_PTRACE_CAP 0x00000004 /* ptracer can follow suid-exec */
#define PT_OPT_FLAG_SHIFT 3
/* PT_TRACE_* event enable flags */
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index cfc3ed4..aa8736d 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -331,6 +331,7 @@
#ifdef CONFIG_PWM_SYSFS
void pwmchip_sysfs_export(struct pwm_chip *chip);
void pwmchip_sysfs_unexport(struct pwm_chip *chip);
+void pwmchip_sysfs_unexport_children(struct pwm_chip *chip);
#else
static inline void pwmchip_sysfs_export(struct pwm_chip *chip)
{
@@ -339,6 +340,10 @@
static inline void pwmchip_sysfs_unexport(struct pwm_chip *chip)
{
}
+
+static inline void pwmchip_sysfs_unexport_children(struct pwm_chip *chip)
+{
+}
#endif /* CONFIG_PWM_SYSFS */
#endif /* __LINUX_PWM_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 1c0193b..ce0f61d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1540,6 +1540,7 @@
struct list_head cpu_timers[3];
/* process credentials */
+ const struct cred __rcu *ptracer_cred; /* Tracer's credentials at attach */
const struct cred __rcu *real_cred; /* objective and real subjective task
* credentials (COW) */
const struct cred __rcu *cred; /* effective (overridable) subjective task
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 5f9c59d..e222510 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -101,12 +101,12 @@
const void *dup_iter(struct iov_iter *new, struct iov_iter *old, gfp_t flags);
-static inline size_t iov_iter_count(struct iov_iter *i)
+static inline size_t iov_iter_count(const struct iov_iter *i)
{
return i->count;
}
-static inline bool iter_is_iovec(struct iov_iter *i)
+static inline bool iter_is_iovec(const struct iov_iter *i)
{
return !(i->type & (ITER_BVEC | ITER_KVEC));
}
diff --git a/include/net/ip.h b/include/net/ip.h
index 1a98f1c..b450d86 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -553,7 +553,7 @@
*/
void ipv4_pktinfo_prepare(const struct sock *sk, struct sk_buff *skb);
-void ip_cmsg_recv_offset(struct msghdr *msg, struct sk_buff *skb, int offset);
+void ip_cmsg_recv_offset(struct msghdr *msg, struct sk_buff *skb, int tlen, int offset);
int ip_cmsg_send(struct net *net, struct msghdr *msg,
struct ipcm_cookie *ipc, bool allow_ipv6);
int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
@@ -575,7 +575,7 @@
static inline void ip_cmsg_recv(struct msghdr *msg, struct sk_buff *skb)
{
- ip_cmsg_recv_offset(msg, skb, 0);
+ ip_cmsg_recv_offset(msg, skb, 0, 0);
}
bool icmp_global_allow(void);
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index ff788b6..9c2c044 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -86,6 +86,7 @@
struct net_device_stats *stats = &dev->stats;
int pkt_len, err;
+ memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
pkt_len = skb->len - skb_inner_network_offset(skb);
err = ip6_local_out(dev_net(skb_dst(skb)->dev), sk, skb);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 86df083..e5bba89 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -408,6 +408,15 @@
void tcf_destroy_chain(struct tcf_proto __rcu **fl);
int skb_do_redirect(struct sk_buff *);
+static inline bool skb_at_tc_ingress(const struct sk_buff *skb)
+{
+#ifdef CONFIG_NET_CLS_ACT
+ return G_TC_AT(skb->tc_verd) & AT_INGRESS;
+#else
+ return false;
+#endif
+}
+
/* Reset all TX qdiscs greater then index of a device. */
static inline void qdisc_reset_all_tx_gt(struct net_device *dev, unsigned int i)
{
diff --git a/include/net/sock.h b/include/net/sock.h
index 41bb521..374b4ce 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1426,6 +1426,16 @@
if (!sk_has_account(sk))
return;
sk->sk_forward_alloc += size;
+
+ /* Avoid a possible overflow.
+ * TCP send queues can make this happen, if sk_mem_reclaim()
+ * is not called and more than 2 GBytes are released at once.
+ *
+ * If we reach 2 MBytes, reclaim 1 MBytes right now, there is
+ * no need to hold that much forward allocation anyway.
+ */
+ if (unlikely(sk->sk_forward_alloc >= 1 << 21))
+ __sk_mem_reclaim(sk, 1 << 20);
}
static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 9c3ab54..e9d7a8e 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1156,6 +1156,7 @@
}
bool tcp_prequeue(struct sock *sk, struct sk_buff *skb);
+int tcp_filter(struct sock *sk, struct sk_buff *skb);
#undef STATE_TRACE
diff --git a/include/uapi/linux/can.h b/include/uapi/linux/can.h
index 9692cda..c48d93a 100644
--- a/include/uapi/linux/can.h
+++ b/include/uapi/linux/can.h
@@ -196,5 +196,6 @@
};
#define CAN_INV_FILTER 0x20000000U /* to be set in can_filter.can_id */
+#define CAN_RAW_FILTER_MAX 512 /* maximum number of can_filter set via setsockopt() */
#endif /* !_UAPI_CAN_H */
diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h
index 123a5af..fa3b343 100644
--- a/include/uapi/linux/rtnetlink.h
+++ b/include/uapi/linux/rtnetlink.h
@@ -343,7 +343,7 @@
#define RTNH_F_OFFLOAD 8 /* offloaded route */
#define RTNH_F_LINKDOWN 16 /* carrier-down on nexthop */
-#define RTNH_COMPARE_MASK (RTNH_F_DEAD | RTNH_F_LINKDOWN)
+#define RTNH_COMPARE_MASK (RTNH_F_DEAD | RTNH_F_LINKDOWN | RTNH_F_OFFLOAD)
/* Macros to handle hexthops */
diff --git a/kernel/capability.c b/kernel/capability.c
index 00411c8..4984e1f 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -457,6 +457,19 @@
EXPORT_SYMBOL(file_ns_capable);
/**
+ * privileged_wrt_inode_uidgid - Do capabilities in the namespace work over the inode?
+ * @ns: The user namespace in question
+ * @inode: The inode in question
+ *
+ * Return true if the inode uid and gid are within the namespace.
+ */
+bool privileged_wrt_inode_uidgid(struct user_namespace *ns, const struct inode *inode)
+{
+ return kuid_has_mapping(ns, inode->i_uid) &&
+ kgid_has_mapping(ns, inode->i_gid);
+}
+
+/**
* capable_wrt_inode_uidgid - Check nsown_capable and uid and gid mapped
* @inode: The inode in question
* @cap: The capability in question
@@ -469,7 +482,26 @@
{
struct user_namespace *ns = current_user_ns();
- return ns_capable(ns, cap) && kuid_has_mapping(ns, inode->i_uid) &&
- kgid_has_mapping(ns, inode->i_gid);
+ return ns_capable(ns, cap) && privileged_wrt_inode_uidgid(ns, inode);
}
EXPORT_SYMBOL(capable_wrt_inode_uidgid);
+
+/**
+ * ptracer_capable - Determine if the ptracer holds CAP_SYS_PTRACE in the namespace
+ * @tsk: The task that may be ptraced
+ * @ns: The user namespace to search for CAP_SYS_PTRACE in
+ *
+ * Return true if the task that is ptracing the current task had CAP_SYS_PTRACE
+ * in the specified user namespace.
+ */
+bool ptracer_capable(struct task_struct *tsk, struct user_namespace *ns)
+{
+ int ret = 0; /* An absent tracer adds no restrictions */
+ const struct cred *cred;
+ rcu_read_lock();
+ cred = rcu_dereference(tsk->ptracer_cred);
+ if (cred)
+ ret = security_capable_noaudit(cred, ns, CAP_SYS_PTRACE);
+ rcu_read_unlock();
+ return (ret == 0);
+}
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index a3424f2..127c63e0 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -236,6 +236,9 @@
*/
static bool cgroup_ssid_enabled(int ssid)
{
+ if (CGROUP_SUBSYS_COUNT == 0)
+ return false;
+
return static_key_enabled(cgroup_subsys_enabled_key[ssid]);
}
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 85ff5e2..cd6d125 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -223,8 +223,6 @@
return __cpu_notify(val, v, -1, NULL);
}
-#ifdef CONFIG_HOTPLUG_CPU
-
static void cpu_notify_nofail(unsigned long val, void *v)
{
BUG_ON(cpu_notify(val, v));
@@ -246,6 +244,7 @@
}
EXPORT_SYMBOL(__unregister_cpu_notifier);
+#ifdef CONFIG_HOTPLUG_CPU
/**
* clear_tasks_mm_cpumask - Safely clear tasks' mm_cpumask for a CPU
* @cpu: a CPU id
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 0874e2e..79517e5 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -598,11 +598,11 @@
/*
* Wait for the other CPUs to be notified and be waiting for us:
*/
- time_left = loops_per_jiffy * HZ;
+ time_left = MSEC_PER_SEC;
while (kgdb_do_roundup && --time_left &&
(atomic_read(&masters_in_kgdb) + atomic_read(&slaves_in_kgdb)) !=
online_cpus)
- cpu_relax();
+ udelay(1000);
if (!time_left)
pr_crit("Timed out waiting for secondary CPUs.\n");
diff --git a/kernel/fork.c b/kernel/fork.c
index 7161ebe..2e55b53 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -585,7 +585,8 @@
#endif
}
-static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p)
+static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
+ struct user_namespace *user_ns)
{
mm->mmap = NULL;
mm->mm_rb = RB_ROOT;
@@ -625,6 +626,7 @@
if (init_new_context(p, mm))
goto fail_nocontext;
+ mm->user_ns = get_user_ns(user_ns);
return mm;
fail_nocontext:
@@ -670,7 +672,7 @@
return NULL;
memset(mm, 0, sizeof(*mm));
- return mm_init(mm, current);
+ return mm_init(mm, current, current_user_ns());
}
/*
@@ -685,6 +687,7 @@
destroy_context(mm);
mmu_notifier_mm_destroy(mm);
check_mm(mm);
+ put_user_ns(mm->user_ns);
free_mm(mm);
}
EXPORT_SYMBOL_GPL(__mmdrop);
@@ -942,7 +945,7 @@
memcpy(mm, oldmm, sizeof(*mm));
- if (!mm_init(mm, tsk))
+ if (!mm_init(mm, tsk, mm->user_ns))
goto fail_nomem;
err = dup_mmap(mm, oldmm);
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 8251e75..b066724d 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -65,8 +65,72 @@
static void fixup_rt_mutex_waiters(struct rt_mutex *lock)
{
- if (!rt_mutex_has_waiters(lock))
- clear_rt_mutex_waiters(lock);
+ unsigned long owner, *p = (unsigned long *) &lock->owner;
+
+ if (rt_mutex_has_waiters(lock))
+ return;
+
+ /*
+ * The rbtree has no waiters enqueued, now make sure that the
+ * lock->owner still has the waiters bit set, otherwise the
+ * following can happen:
+ *
+ * CPU 0 CPU 1 CPU2
+ * l->owner=T1
+ * rt_mutex_lock(l)
+ * lock(l->lock)
+ * l->owner = T1 | HAS_WAITERS;
+ * enqueue(T2)
+ * boost()
+ * unlock(l->lock)
+ * block()
+ *
+ * rt_mutex_lock(l)
+ * lock(l->lock)
+ * l->owner = T1 | HAS_WAITERS;
+ * enqueue(T3)
+ * boost()
+ * unlock(l->lock)
+ * block()
+ * signal(->T2) signal(->T3)
+ * lock(l->lock)
+ * dequeue(T2)
+ * deboost()
+ * unlock(l->lock)
+ * lock(l->lock)
+ * dequeue(T3)
+ * ==> wait list is empty
+ * deboost()
+ * unlock(l->lock)
+ * lock(l->lock)
+ * fixup_rt_mutex_waiters()
+ * if (wait_list_empty(l) {
+ * l->owner = owner
+ * owner = l->owner & ~HAS_WAITERS;
+ * ==> l->owner = T1
+ * }
+ * lock(l->lock)
+ * rt_mutex_unlock(l) fixup_rt_mutex_waiters()
+ * if (wait_list_empty(l) {
+ * owner = l->owner & ~HAS_WAITERS;
+ * cmpxchg(l->owner, T1, NULL)
+ * ===> Success (l->owner = NULL)
+ *
+ * l->owner = owner
+ * ==> l->owner = T1
+ * }
+ *
+ * With the check for the waiter bit in place T3 on CPU2 will not
+ * overwrite. All tasks fiddling with the waiters bit are
+ * serialized by l->lock, so nothing else can modify the waiters
+ * bit. If the bit is set then nothing can change l->owner either
+ * so the simple RMW is safe. The cmpxchg() will simply fail if it
+ * happens in the middle of the RMW because the waiters bit is
+ * still set.
+ */
+ owner = READ_ONCE(*p);
+ if (owner & RT_MUTEX_HAS_WAITERS)
+ WRITE_ONCE(*p, owner & ~RT_MUTEX_HAS_WAITERS);
}
/*
diff --git a/kernel/locking/rtmutex_common.h b/kernel/locking/rtmutex_common.h
index 4f5f83c..e317e1c 100644
--- a/kernel/locking/rtmutex_common.h
+++ b/kernel/locking/rtmutex_common.h
@@ -75,8 +75,9 @@
static inline struct task_struct *rt_mutex_owner(struct rt_mutex *lock)
{
- return (struct task_struct *)
- ((unsigned long)lock->owner & ~RT_MUTEX_OWNER_MASKALL);
+ unsigned long owner = (unsigned long) READ_ONCE(lock->owner);
+
+ return (struct task_struct *) (owner & ~RT_MUTEX_OWNER_MASKALL);
}
/*
diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c
index 084452e..bdff5ed 100644
--- a/kernel/power/suspend_test.c
+++ b/kernel/power/suspend_test.c
@@ -203,8 +203,10 @@
/* RTCs have initialized by now too ... can we use one? */
dev = class_find_device(rtc_class, NULL, NULL, has_wakealarm);
- if (dev)
+ if (dev) {
rtc = rtc_class_open(dev_name(dev));
+ put_device(dev);
+ }
if (!rtc) {
printk(warn_no_rtc);
return 0;
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 3189e51..a46c40b 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -39,6 +39,9 @@
BUG_ON(!list_empty(&child->ptrace_entry));
list_add(&child->ptrace_entry, &new_parent->ptraced);
child->parent = new_parent;
+ rcu_read_lock();
+ child->ptracer_cred = get_cred(__task_cred(new_parent));
+ rcu_read_unlock();
}
/**
@@ -71,11 +74,15 @@
*/
void __ptrace_unlink(struct task_struct *child)
{
+ const struct cred *old_cred;
BUG_ON(!child->ptrace);
child->ptrace = 0;
child->parent = child->real_parent;
list_del_init(&child->ptrace_entry);
+ old_cred = child->ptracer_cred;
+ child->ptracer_cred = NULL;
+ put_cred(old_cred);
spin_lock(&child->sighand->siglock);
@@ -219,7 +226,7 @@
static int __ptrace_may_access(struct task_struct *task, unsigned int mode)
{
const struct cred *cred = current_cred(), *tcred;
- int dumpable = 0;
+ struct mm_struct *mm;
kuid_t caller_uid;
kgid_t caller_gid;
@@ -270,16 +277,11 @@
return -EPERM;
ok:
rcu_read_unlock();
- smp_rmb();
- if (task->mm)
- dumpable = get_dumpable(task->mm);
- rcu_read_lock();
- if (dumpable != SUID_DUMP_USER &&
- !ptrace_has_cap(__task_cred(task)->user_ns, mode)) {
- rcu_read_unlock();
- return -EPERM;
- }
- rcu_read_unlock();
+ mm = task->mm;
+ if (mm &&
+ ((get_dumpable(mm) != SUID_DUMP_USER) &&
+ !ptrace_has_cap(mm->user_ns, mode)))
+ return -EPERM;
return security_ptrace_access_check(task, mode);
}
@@ -343,10 +345,6 @@
if (seize)
flags |= PT_SEIZED;
- rcu_read_lock();
- if (ns_capable(__task_cred(task)->user_ns, CAP_SYS_PTRACE))
- flags |= PT_PTRACE_CAP;
- rcu_read_unlock();
task->ptrace = flags;
__ptrace_link(task, current);
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 630c197..32cbe72 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -2275,6 +2275,7 @@
cl++;
c++;
local_bh_enable();
+ cond_resched_rcu_qs();
list = next;
}
trace_rcu_batch_end(rdp->rsp->name, c, !!list, 0, 0, 1);
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 854b5ff..8d80392 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -332,7 +332,6 @@
*/
if (is_hardlockup()) {
int this_cpu = smp_processor_id();
- struct pt_regs *regs = get_irq_regs();
/* only print hardlockups once */
if (__this_cpu_read(hard_watchdog_warn) == true)
diff --git a/lib/genalloc.c b/lib/genalloc.c
index 116a166..27aa9c6 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -273,7 +273,7 @@
struct gen_pool_chunk *chunk;
unsigned long addr = 0;
int order = pool->min_alloc_order;
- int nbits, start_bit = 0, end_bit, remain;
+ int nbits, start_bit, end_bit, remain;
#ifndef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
BUG_ON(in_nmi());
@@ -288,6 +288,7 @@
if (size > atomic_read(&chunk->avail))
continue;
+ start_bit = 0;
end_bit = chunk_size(chunk) >> order;
retry:
start_bit = pool->algo(chunk->bits, end_bit, start_bit, nbits,
diff --git a/lib/mpi/mpi-pow.c b/lib/mpi/mpi-pow.c
index 5464c87..e24388a 100644
--- a/lib/mpi/mpi-pow.c
+++ b/lib/mpi/mpi-pow.c
@@ -64,8 +64,13 @@
if (!esize) {
/* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0
* depending on if MOD equals 1. */
- rp[0] = 1;
res->nlimbs = (msize == 1 && mod->d[0] == 1) ? 0 : 1;
+ if (res->nlimbs) {
+ if (mpi_resize(res, 1) < 0)
+ goto enomem;
+ rp = res->d;
+ rp[0] = 1;
+ }
res->sign = 0;
goto leave;
}
diff --git a/mm/cma.c b/mm/cma.c
index ea506eb..bd0e141 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -183,7 +183,8 @@
return -EINVAL;
/* ensure minimal alignment required by mm core */
- alignment = PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order);
+ alignment = PAGE_SIZE <<
+ max_t(unsigned long, MAX_ORDER - 1, pageblock_order);
/* alignment should be aligned with order_per_bit */
if (!IS_ALIGNED(alignment >> PAGE_SHIFT, 1 << order_per_bit))
@@ -266,8 +267,8 @@
* migratetype page by page allocator's buddy algorithm. In the case,
* you couldn't get a contiguous memory, which is not what we want.
*/
- alignment = max(alignment,
- (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order));
+ alignment = max(alignment, (phys_addr_t)PAGE_SIZE <<
+ max_t(unsigned long, MAX_ORDER - 1, pageblock_order));
base = ALIGN(base, alignment);
size = ALIGN(size, alignment);
limit &= ~(alignment - 1);
diff --git a/mm/init-mm.c b/mm/init-mm.c
index a56a851..975e49f 100644
--- a/mm/init-mm.c
+++ b/mm/init-mm.c
@@ -6,6 +6,7 @@
#include <linux/cpumask.h>
#include <linux/atomic.h>
+#include <linux/user_namespace.h>
#include <asm/pgtable.h>
#include <asm/mmu.h>
@@ -21,5 +22,6 @@
.mmap_sem = __RWSEM_INITIALIZER(init_mm.mmap_sem),
.page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
.mmlist = LIST_HEAD_INIT(init_mm.mmlist),
+ .user_ns = &init_user_ns,
INIT_MM_CONTEXT(init_mm)
};
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 4f6c62e..37ff0ab 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -52,6 +52,9 @@
#if KASAN_ABI_VERSION >= 4
struct kasan_source_location *location;
#endif
+#if KASAN_ABI_VERSION >= 5
+ char *odr_indicator;
+#endif
};
static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
diff --git a/mm/list_lru.c b/mm/list_lru.c
index afc71ea..5d8dffd 100644
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -554,6 +554,8 @@
err = memcg_init_list_lru(lru, memcg_aware);
if (err) {
kfree(lru->node);
+ /* Do this so a list_lru_destroy() doesn't crash: */
+ lru->node = NULL;
goto out;
}
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6b90d18..5d9c8a3 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2055,6 +2055,15 @@
current->flags & PF_EXITING))
goto force;
+ /*
+ * Prevent unbounded recursion when reclaim operations need to
+ * allocate memory. This might exceed the limits temporarily,
+ * but we prefer facilitating memory reclaim and getting back
+ * under the limit over triggering OOM kills in these cases.
+ */
+ if (unlikely(current->flags & PF_MEMALLOC))
+ goto force;
+
if (unlikely(task_in_memcg_oom(current)))
goto nomem;
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 5887731..c1a0f3d 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2225,6 +2225,8 @@
swab32s(&swap_header->info.version);
swab32s(&swap_header->info.last_page);
swab32s(&swap_header->info.nr_badpages);
+ if (swap_header->info.nr_badpages > MAX_SWAP_BADPAGES)
+ return 0;
for (i = 0; i < swap_header->info.nr_badpages; i++)
swab32s(&swap_header->info.badpages[i]);
}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f44a049..dae702b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -287,6 +287,7 @@
int nid = shrinkctl->nid;
long batch_size = shrinker->batch ? shrinker->batch
: SHRINK_BATCH;
+ long scanned = 0, next_deferred;
freeable = shrinker->count_objects(shrinker, shrinkctl);
if (freeable == 0)
@@ -308,7 +309,9 @@
pr_err("shrink_slab: %pF negative objects to delete nr=%ld\n",
shrinker->scan_objects, total_scan);
total_scan = freeable;
- }
+ next_deferred = nr;
+ } else
+ next_deferred = total_scan;
/*
* We need to avoid excessive windup on filesystem shrinkers
@@ -365,17 +368,22 @@
count_vm_events(SLABS_SCANNED, nr_to_scan);
total_scan -= nr_to_scan;
+ scanned += nr_to_scan;
cond_resched();
}
+ if (next_deferred >= scanned)
+ next_deferred -= scanned;
+ else
+ next_deferred = 0;
/*
* move the unused scan count back into the shrinker in a
* manner that handles concurrent updates. If we exhausted the
* scan, there is no need to do an update.
*/
- if (total_scan > 0)
- new_nr = atomic_long_add_return(total_scan,
+ if (next_deferred > 0)
+ new_nr = atomic_long_add_return(next_deferred,
&shrinker->nr_deferred[nid]);
else
new_nr = atomic_long_read(&shrinker->nr_deferred[nid]);
@@ -2943,7 +2951,9 @@
sc.may_writepage,
sc.gfp_mask);
+ current->flags |= PF_MEMALLOC;
nr_reclaimed = do_try_to_free_pages(zonelist, &sc);
+ current->flags &= ~PF_MEMALLOC;
trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed);
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 0e3bdd3..6313906 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -660,7 +660,7 @@
skb_gro_pull(skb, sizeof(*vhdr));
skb_gro_postpull_rcsum(skb, vhdr, sizeof(*vhdr));
- pp = ptype->callbacks.gro_receive(head, skb);
+ pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb);
out_unlock:
rcu_read_unlock();
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 83b0ca2..f2079ac 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -2764,7 +2764,7 @@
&tvlv_tt_data,
&tt_change,
&tt_len);
- if (!tt_len)
+ if (!tt_len || !tvlv_len)
goto unlock;
/* Copy the last orig_node's OGM buffer */
@@ -2782,7 +2782,7 @@
&tvlv_tt_data,
&tt_change,
&tt_len);
- if (!tt_len)
+ if (!tt_len || !tvlv_len)
goto out;
/* fill the rest of the tvlv with the real TT entries */
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 9542e84..d80c15d 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -951,13 +951,12 @@
mod_timer(&query->timer, jiffies);
}
-void br_multicast_enable_port(struct net_bridge_port *port)
+static void __br_multicast_enable_port(struct net_bridge_port *port)
{
struct net_bridge *br = port->br;
- spin_lock(&br->multicast_lock);
if (br->multicast_disabled || !netif_running(br->dev))
- goto out;
+ return;
br_multicast_enable(&port->ip4_own_query);
#if IS_ENABLED(CONFIG_IPV6)
@@ -965,8 +964,14 @@
#endif
if (port->multicast_router == 2 && hlist_unhashed(&port->rlist))
br_multicast_add_router(br, port);
+}
-out:
+void br_multicast_enable_port(struct net_bridge_port *port)
+{
+ struct net_bridge *br = port->br;
+
+ spin_lock(&br->multicast_lock);
+ __br_multicast_enable_port(port);
spin_unlock(&br->multicast_lock);
}
@@ -1905,8 +1910,9 @@
int br_multicast_toggle(struct net_bridge *br, unsigned long val)
{
- int err = 0;
struct net_bridge_mdb_htable *mdb;
+ struct net_bridge_port *port;
+ int err = 0;
spin_lock_bh(&br->multicast_lock);
if (br->multicast_disabled == !val)
@@ -1934,10 +1940,9 @@
goto rollback;
}
- br_multicast_start_querier(br, &br->ip4_own_query);
-#if IS_ENABLED(CONFIG_IPV6)
- br_multicast_start_querier(br, &br->ip6_own_query);
-#endif
+ br_multicast_open(br);
+ list_for_each_entry(port, &br->port_list, list)
+ __br_multicast_enable_port(port);
unlock:
spin_unlock_bh(&br->multicast_lock);
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 6863310..8ef1afa 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1500,24 +1500,31 @@
struct sockaddr_can *addr = (struct sockaddr_can *)uaddr;
struct sock *sk = sock->sk;
struct bcm_sock *bo = bcm_sk(sk);
+ int ret = 0;
if (len < sizeof(*addr))
return -EINVAL;
- if (bo->bound)
- return -EISCONN;
+ lock_sock(sk);
+
+ if (bo->bound) {
+ ret = -EISCONN;
+ goto fail;
+ }
/* bind a device to this socket */
if (addr->can_ifindex) {
struct net_device *dev;
dev = dev_get_by_index(&init_net, addr->can_ifindex);
- if (!dev)
- return -ENODEV;
-
+ if (!dev) {
+ ret = -ENODEV;
+ goto fail;
+ }
if (dev->type != ARPHRD_CAN) {
dev_put(dev);
- return -ENODEV;
+ ret = -ENODEV;
+ goto fail;
}
bo->ifindex = dev->ifindex;
@@ -1528,17 +1535,24 @@
bo->ifindex = 0;
}
- bo->bound = 1;
-
if (proc_dir) {
/* unique socket address as filename */
sprintf(bo->procname, "%lu", sock_i_ino(sk));
bo->bcm_proc_read = proc_create_data(bo->procname, 0644,
proc_dir,
&bcm_proc_fops, sk);
+ if (!bo->bcm_proc_read) {
+ ret = -ENOMEM;
+ goto fail;
+ }
}
- return 0;
+ bo->bound = 1;
+
+fail:
+ release_sock(sk);
+
+ return ret;
}
static int bcm_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
diff --git a/net/can/raw.c b/net/can/raw.c
index 2e67b14..56af689 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -499,6 +499,9 @@
if (optlen % sizeof(struct can_filter) != 0)
return -EINVAL;
+ if (optlen > CAN_RAW_FILTER_MAX * sizeof(struct can_filter))
+ return -EINVAL;
+
count = optlen / sizeof(struct can_filter);
if (count > 1) {
diff --git a/net/core/dev.c b/net/core/dev.c
index 9d78597..5adb18a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2469,7 +2469,7 @@
goto out;
}
- *(__sum16 *)(skb->data + offset) = csum_fold(csum);
+ *(__sum16 *)(skb->data + offset) = csum_fold(csum) ?: CSUM_MANGLED_0;
out_set_summed:
skb->ip_summed = CHECKSUM_NONE;
out:
@@ -2843,6 +2843,7 @@
}
return head;
}
+EXPORT_SYMBOL_GPL(validate_xmit_skb_list);
static void qdisc_pkt_len_init(struct sk_buff *skb)
{
@@ -4257,6 +4258,7 @@
NAPI_GRO_CB(skb)->flush = 0;
NAPI_GRO_CB(skb)->free = 0;
NAPI_GRO_CB(skb)->encap_mark = 0;
+ NAPI_GRO_CB(skb)->recursion_counter = 0;
NAPI_GRO_CB(skb)->gro_remcsum_start = 0;
/* Setup for GRO checksum validation */
@@ -5221,6 +5223,7 @@
static int __netdev_adjacent_dev_insert(struct net_device *dev,
struct net_device *adj_dev,
+ u16 ref_nr,
struct list_head *dev_list,
void *private, bool master)
{
@@ -5230,7 +5233,7 @@
adj = __netdev_find_adj(adj_dev, dev_list);
if (adj) {
- adj->ref_nr++;
+ adj->ref_nr += ref_nr;
return 0;
}
@@ -5240,7 +5243,7 @@
adj->dev = adj_dev;
adj->master = master;
- adj->ref_nr = 1;
+ adj->ref_nr = ref_nr;
adj->private = private;
dev_hold(adj_dev);
@@ -5279,6 +5282,7 @@
static void __netdev_adjacent_dev_remove(struct net_device *dev,
struct net_device *adj_dev,
+ u16 ref_nr,
struct list_head *dev_list)
{
struct netdev_adjacent *adj;
@@ -5291,10 +5295,10 @@
BUG();
}
- if (adj->ref_nr > 1) {
- pr_debug("%s to %s ref_nr-- = %d\n", dev->name, adj_dev->name,
- adj->ref_nr-1);
- adj->ref_nr--;
+ if (adj->ref_nr > ref_nr) {
+ pr_debug("%s to %s ref_nr-%d = %d\n", dev->name, adj_dev->name,
+ ref_nr, adj->ref_nr-ref_nr);
+ adj->ref_nr -= ref_nr;
return;
}
@@ -5313,21 +5317,22 @@
static int __netdev_adjacent_dev_link_lists(struct net_device *dev,
struct net_device *upper_dev,
+ u16 ref_nr,
struct list_head *up_list,
struct list_head *down_list,
void *private, bool master)
{
int ret;
- ret = __netdev_adjacent_dev_insert(dev, upper_dev, up_list, private,
- master);
+ ret = __netdev_adjacent_dev_insert(dev, upper_dev, ref_nr, up_list,
+ private, master);
if (ret)
return ret;
- ret = __netdev_adjacent_dev_insert(upper_dev, dev, down_list, private,
- false);
+ ret = __netdev_adjacent_dev_insert(upper_dev, dev, ref_nr, down_list,
+ private, false);
if (ret) {
- __netdev_adjacent_dev_remove(dev, upper_dev, up_list);
+ __netdev_adjacent_dev_remove(dev, upper_dev, ref_nr, up_list);
return ret;
}
@@ -5335,9 +5340,10 @@
}
static int __netdev_adjacent_dev_link(struct net_device *dev,
- struct net_device *upper_dev)
+ struct net_device *upper_dev,
+ u16 ref_nr)
{
- return __netdev_adjacent_dev_link_lists(dev, upper_dev,
+ return __netdev_adjacent_dev_link_lists(dev, upper_dev, ref_nr,
&dev->all_adj_list.upper,
&upper_dev->all_adj_list.lower,
NULL, false);
@@ -5345,17 +5351,19 @@
static void __netdev_adjacent_dev_unlink_lists(struct net_device *dev,
struct net_device *upper_dev,
+ u16 ref_nr,
struct list_head *up_list,
struct list_head *down_list)
{
- __netdev_adjacent_dev_remove(dev, upper_dev, up_list);
- __netdev_adjacent_dev_remove(upper_dev, dev, down_list);
+ __netdev_adjacent_dev_remove(dev, upper_dev, ref_nr, up_list);
+ __netdev_adjacent_dev_remove(upper_dev, dev, ref_nr, down_list);
}
static void __netdev_adjacent_dev_unlink(struct net_device *dev,
- struct net_device *upper_dev)
+ struct net_device *upper_dev,
+ u16 ref_nr)
{
- __netdev_adjacent_dev_unlink_lists(dev, upper_dev,
+ __netdev_adjacent_dev_unlink_lists(dev, upper_dev, ref_nr,
&dev->all_adj_list.upper,
&upper_dev->all_adj_list.lower);
}
@@ -5364,17 +5372,17 @@
struct net_device *upper_dev,
void *private, bool master)
{
- int ret = __netdev_adjacent_dev_link(dev, upper_dev);
+ int ret = __netdev_adjacent_dev_link(dev, upper_dev, 1);
if (ret)
return ret;
- ret = __netdev_adjacent_dev_link_lists(dev, upper_dev,
+ ret = __netdev_adjacent_dev_link_lists(dev, upper_dev, 1,
&dev->adj_list.upper,
&upper_dev->adj_list.lower,
private, master);
if (ret) {
- __netdev_adjacent_dev_unlink(dev, upper_dev);
+ __netdev_adjacent_dev_unlink(dev, upper_dev, 1);
return ret;
}
@@ -5384,8 +5392,8 @@
static void __netdev_adjacent_dev_unlink_neighbour(struct net_device *dev,
struct net_device *upper_dev)
{
- __netdev_adjacent_dev_unlink(dev, upper_dev);
- __netdev_adjacent_dev_unlink_lists(dev, upper_dev,
+ __netdev_adjacent_dev_unlink(dev, upper_dev, 1);
+ __netdev_adjacent_dev_unlink_lists(dev, upper_dev, 1,
&dev->adj_list.upper,
&upper_dev->adj_list.lower);
}
@@ -5437,7 +5445,7 @@
list_for_each_entry(j, &upper_dev->all_adj_list.upper, list) {
pr_debug("Interlinking %s with %s, non-neighbour\n",
i->dev->name, j->dev->name);
- ret = __netdev_adjacent_dev_link(i->dev, j->dev);
+ ret = __netdev_adjacent_dev_link(i->dev, j->dev, i->ref_nr);
if (ret)
goto rollback_mesh;
}
@@ -5447,7 +5455,7 @@
list_for_each_entry(i, &upper_dev->all_adj_list.upper, list) {
pr_debug("linking %s's upper device %s with %s\n",
upper_dev->name, i->dev->name, dev->name);
- ret = __netdev_adjacent_dev_link(dev, i->dev);
+ ret = __netdev_adjacent_dev_link(dev, i->dev, i->ref_nr);
if (ret)
goto rollback_upper_mesh;
}
@@ -5456,7 +5464,7 @@
list_for_each_entry(i, &dev->all_adj_list.lower, list) {
pr_debug("linking %s's lower device %s with %s\n", dev->name,
i->dev->name, upper_dev->name);
- ret = __netdev_adjacent_dev_link(i->dev, upper_dev);
+ ret = __netdev_adjacent_dev_link(i->dev, upper_dev, i->ref_nr);
if (ret)
goto rollback_lower_mesh;
}
@@ -5470,7 +5478,7 @@
list_for_each_entry(i, &dev->all_adj_list.lower, list) {
if (i == to_i)
break;
- __netdev_adjacent_dev_unlink(i->dev, upper_dev);
+ __netdev_adjacent_dev_unlink(i->dev, upper_dev, i->ref_nr);
}
i = NULL;
@@ -5480,7 +5488,7 @@
list_for_each_entry(i, &upper_dev->all_adj_list.upper, list) {
if (i == to_i)
break;
- __netdev_adjacent_dev_unlink(dev, i->dev);
+ __netdev_adjacent_dev_unlink(dev, i->dev, i->ref_nr);
}
i = j = NULL;
@@ -5492,7 +5500,7 @@
list_for_each_entry(j, &upper_dev->all_adj_list.upper, list) {
if (i == to_i && j == to_j)
break;
- __netdev_adjacent_dev_unlink(i->dev, j->dev);
+ __netdev_adjacent_dev_unlink(i->dev, j->dev, i->ref_nr);
}
if (i == to_i)
break;
@@ -5576,16 +5584,16 @@
*/
list_for_each_entry(i, &dev->all_adj_list.lower, list)
list_for_each_entry(j, &upper_dev->all_adj_list.upper, list)
- __netdev_adjacent_dev_unlink(i->dev, j->dev);
+ __netdev_adjacent_dev_unlink(i->dev, j->dev, i->ref_nr);
/* remove also the devices itself from lower/upper device
* list
*/
list_for_each_entry(i, &dev->all_adj_list.lower, list)
- __netdev_adjacent_dev_unlink(i->dev, upper_dev);
+ __netdev_adjacent_dev_unlink(i->dev, upper_dev, i->ref_nr);
list_for_each_entry(i, &upper_dev->all_adj_list.upper, list)
- __netdev_adjacent_dev_unlink(dev, i->dev);
+ __netdev_adjacent_dev_unlink(dev, i->dev, i->ref_nr);
call_netdevice_notifiers_info(NETDEV_CHANGEUPPER, dev,
&changeupper_info.info);
diff --git a/net/core/filter.c b/net/core/filter.c
index 75e9b2b..e943554 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -52,9 +52,10 @@
#include <net/dst.h>
/**
- * sk_filter - run a packet through a socket filter
+ * sk_filter_trim_cap - run a packet through a socket filter
* @sk: sock associated with &sk_buff
* @skb: buffer to filter
+ * @cap: limit on how short the eBPF program may trim the packet
*
* Run the eBPF program and then cut skb->data to correct size returned by
* the program. If pkt_len is 0 we toss packet. If skb->len is smaller
@@ -63,7 +64,7 @@
* be accepted or -EPERM if the packet should be tossed.
*
*/
-int sk_filter(struct sock *sk, struct sk_buff *skb)
+int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap)
{
int err;
struct sk_filter *filter;
@@ -84,14 +85,13 @@
filter = rcu_dereference(sk->sk_filter);
if (filter) {
unsigned int pkt_len = bpf_prog_run_save_cb(filter->prog, skb);
-
- err = pkt_len ? pskb_trim(skb, pkt_len) : -EPERM;
+ err = pkt_len ? pskb_trim(skb, max(cap, pkt_len)) : -EPERM;
}
rcu_read_unlock();
return err;
}
-EXPORT_SYMBOL(sk_filter);
+EXPORT_SYMBOL(sk_filter_trim_cap);
static u64 __skb_get_pay_offset(u64 ctx, u64 a, u64 x, u64 r4, u64 r5)
{
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 4ab6ead..ee90827 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -131,7 +131,7 @@
struct flow_dissector_key_tags *key_tags;
struct flow_dissector_key_keyid *key_keyid;
u8 ip_proto = 0;
- bool ret = false;
+ bool ret;
if (!data) {
data = skb->data;
@@ -492,12 +492,17 @@
out_good:
ret = true;
-out_bad:
+ key_control->thoff = (u16)nhoff;
+out:
key_basic->n_proto = proto;
key_basic->ip_proto = ip_proto;
- key_control->thoff = (u16)nhoff;
return ret;
+
+out_bad:
+ ret = false;
+ key_control->thoff = min_t(u16, nhoff, skb ? skb->len : hlen);
+ goto out;
}
EXPORT_SYMBOL(__skb_flow_dissect);
@@ -944,4 +949,4 @@
return 0;
}
-late_initcall_sync(init_default_flow_dissectors);
+core_initcall(init_default_flow_dissectors);
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 2c2eb1b..2e9a1c2 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -217,6 +217,8 @@
bool alloc;
int id;
+ if (atomic_read(&net->count) == 0)
+ return NETNSA_NSID_NOT_ASSIGNED;
spin_lock_irqsave(&net->nsid_lock, flags);
alloc = atomic_read(&peer->count) == 0 ? false : true;
id = __peernet2id_alloc(net, peer, &alloc);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 19016db..7bb4833 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -215,8 +215,8 @@
#define M_NETIF_RECEIVE 1 /* Inject packets into stack */
/* If lock -- protects updating of if_list */
-#define if_lock(t) spin_lock(&(t->if_lock));
-#define if_unlock(t) spin_unlock(&(t->if_lock));
+#define if_lock(t) mutex_lock(&(t->if_lock));
+#define if_unlock(t) mutex_unlock(&(t->if_lock));
/* Used to help with determining the pkts on receive */
#define PKTGEN_MAGIC 0xbe9be955
@@ -423,7 +423,7 @@
};
struct pktgen_thread {
- spinlock_t if_lock; /* for list of devices */
+ struct mutex if_lock; /* for list of devices */
struct list_head if_list; /* All device here */
struct list_head th_list;
struct task_struct *tsk;
@@ -2016,11 +2016,13 @@
{
struct pktgen_thread *t;
+ mutex_lock(&pktgen_thread_lock);
+
list_for_each_entry(t, &pn->pktgen_threads, th_list) {
struct pktgen_dev *pkt_dev;
- rcu_read_lock();
- list_for_each_entry_rcu(pkt_dev, &t->if_list, list) {
+ if_lock(t);
+ list_for_each_entry(pkt_dev, &t->if_list, list) {
if (pkt_dev->odev != dev)
continue;
@@ -2035,8 +2037,9 @@
dev->name);
break;
}
- rcu_read_unlock();
+ if_unlock(t);
}
+ mutex_unlock(&pktgen_thread_lock);
}
static int pktgen_device_event(struct notifier_block *unused,
@@ -2293,7 +2296,7 @@
static inline void set_pkt_overhead(struct pktgen_dev *pkt_dev)
{
- pkt_dev->pkt_overhead = LL_RESERVED_SPACE(pkt_dev->odev);
+ pkt_dev->pkt_overhead = 0;
pkt_dev->pkt_overhead += pkt_dev->nr_labels*sizeof(u32);
pkt_dev->pkt_overhead += VLAN_TAG_SIZE(pkt_dev);
pkt_dev->pkt_overhead += SVLAN_TAG_SIZE(pkt_dev);
@@ -2784,13 +2787,13 @@
}
static struct sk_buff *pktgen_alloc_skb(struct net_device *dev,
- struct pktgen_dev *pkt_dev,
- unsigned int extralen)
+ struct pktgen_dev *pkt_dev)
{
+ unsigned int extralen = LL_RESERVED_SPACE(dev);
struct sk_buff *skb = NULL;
- unsigned int size = pkt_dev->cur_pkt_size + 64 + extralen +
- pkt_dev->pkt_overhead;
+ unsigned int size;
+ size = pkt_dev->cur_pkt_size + 64 + extralen + pkt_dev->pkt_overhead;
if (pkt_dev->flags & F_NODE) {
int node = pkt_dev->node >= 0 ? pkt_dev->node : numa_node_id();
@@ -2803,8 +2806,9 @@
skb = __netdev_alloc_skb(dev, size, GFP_NOWAIT);
}
+ /* the caller pre-fetches from skb->data and reserves for the mac hdr */
if (likely(skb))
- skb_reserve(skb, LL_RESERVED_SPACE(dev));
+ skb_reserve(skb, extralen - 16);
return skb;
}
@@ -2837,16 +2841,14 @@
mod_cur_headers(pkt_dev);
queue_map = pkt_dev->cur_queue_map;
- datalen = (odev->hard_header_len + 16) & ~0xf;
-
- skb = pktgen_alloc_skb(odev, pkt_dev, datalen);
+ skb = pktgen_alloc_skb(odev, pkt_dev);
if (!skb) {
sprintf(pkt_dev->result, "No memory");
return NULL;
}
prefetchw(skb->data);
- skb_reserve(skb, datalen);
+ skb_reserve(skb, 16);
/* Reserve for ethernet and IP header */
eth = (__u8 *) skb_push(skb, 14);
@@ -2966,7 +2968,7 @@
mod_cur_headers(pkt_dev);
queue_map = pkt_dev->cur_queue_map;
- skb = pktgen_alloc_skb(odev, pkt_dev, 16);
+ skb = pktgen_alloc_skb(odev, pkt_dev);
if (!skb) {
sprintf(pkt_dev->result, "No memory");
return NULL;
@@ -3746,7 +3748,7 @@
return -ENOMEM;
}
- spin_lock_init(&t->if_lock);
+ mutex_init(&t->if_lock);
t->cpu = cpu;
INIT_LIST_HEAD(&t->if_list);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 87b91ff..b94e165 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2600,7 +2600,10 @@
static inline size_t rtnl_fdb_nlmsg_size(void)
{
- return NLMSG_ALIGN(sizeof(struct ndmsg)) + nla_total_size(ETH_ALEN);
+ return NLMSG_ALIGN(sizeof(struct ndmsg)) +
+ nla_total_size(ETH_ALEN) + /* NDA_LLADDR */
+ nla_total_size(sizeof(u16)) + /* NDA_VLAN */
+ 0;
}
static void rtnl_fdb_notify(struct net_device *dev, u8 *addr, u16 vid, int type)
diff --git a/net/core/sock.c b/net/core/sock.c
index 49712a3..e91fa55 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -745,7 +745,7 @@
val = min_t(u32, val, sysctl_wmem_max);
set_sndbuf:
sk->sk_userlocks |= SOCK_SNDBUF_LOCK;
- sk->sk_sndbuf = max_t(u32, val * 2, SOCK_MIN_SNDBUF);
+ sk->sk_sndbuf = max_t(int, val * 2, SOCK_MIN_SNDBUF);
/* Wake up sending tasks if we upped the value. */
sk->sk_write_space(sk);
break;
@@ -781,7 +781,7 @@
* returning the value we actually used in getsockopt
* is the most desirable behavior.
*/
- sk->sk_rcvbuf = max_t(u32, val * 2, SOCK_MIN_RCVBUF);
+ sk->sk_rcvbuf = max_t(int, val * 2, SOCK_MIN_RCVBUF);
break;
case SO_RCVBUFFORCE:
@@ -1570,6 +1570,7 @@
}
newsk->sk_err = 0;
+ newsk->sk_err_soft = 0;
newsk->sk_priority = 0;
newsk->sk_incoming_cpu = raw_smp_processor_id();
atomic64_set(&newsk->sk_cookie, 0);
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 8be8f27..0759f5b 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -235,7 +235,7 @@
{
const struct iphdr *iph = (struct iphdr *)skb->data;
const u8 offset = iph->ihl << 2;
- const struct dccp_hdr *dh = (struct dccp_hdr *)(skb->data + offset);
+ const struct dccp_hdr *dh;
struct dccp_sock *dp;
struct inet_sock *inet;
const int type = icmp_hdr(skb)->type;
@@ -245,11 +245,13 @@
int err;
struct net *net = dev_net(skb->dev);
- if (skb->len < offset + sizeof(*dh) ||
- skb->len < offset + __dccp_basic_hdr_len(dh)) {
- ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS);
- return;
- }
+ /* Only need dccph_dport & dccph_sport which are the first
+ * 4 bytes in dccp header.
+ * Our caller (icmp_socket_deliver()) already pulled 8 bytes for us.
+ */
+ BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_sport) > 8);
+ BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_dport) > 8);
+ dh = (struct dccp_hdr *)(skb->data + offset);
sk = __inet_lookup_established(net, &dccp_hashinfo,
iph->daddr, dh->dccph_dport,
@@ -696,6 +698,7 @@
{
const struct dccp_hdr *dh;
unsigned int cscov;
+ u8 dccph_doff;
if (skb->pkt_type != PACKET_HOST)
return 1;
@@ -717,18 +720,19 @@
/*
* If P.Data Offset is too small for packet type, drop packet and return
*/
- if (dh->dccph_doff < dccp_hdr_len(skb) / sizeof(u32)) {
- DCCP_WARN("P.Data Offset(%u) too small\n", dh->dccph_doff);
+ dccph_doff = dh->dccph_doff;
+ if (dccph_doff < dccp_hdr_len(skb) / sizeof(u32)) {
+ DCCP_WARN("P.Data Offset(%u) too small\n", dccph_doff);
return 1;
}
/*
* If P.Data Offset is too too large for packet, drop packet and return
*/
- if (!pskb_may_pull(skb, dh->dccph_doff * sizeof(u32))) {
- DCCP_WARN("P.Data Offset(%u) too large\n", dh->dccph_doff);
+ if (!pskb_may_pull(skb, dccph_doff * sizeof(u32))) {
+ DCCP_WARN("P.Data Offset(%u) too large\n", dccph_doff);
return 1;
}
-
+ dh = dccp_hdr(skb);
/*
* If P.type is not Data, Ack, or DataAck and P.X == 0 (the packet
* has short sequence numbers), drop packet and return
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index b8608b7..27c4e81 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -70,7 +70,7 @@
u8 type, u8 code, int offset, __be32 info)
{
const struct ipv6hdr *hdr = (const struct ipv6hdr *)skb->data;
- const struct dccp_hdr *dh = (struct dccp_hdr *)(skb->data + offset);
+ const struct dccp_hdr *dh;
struct dccp_sock *dp;
struct ipv6_pinfo *np;
struct sock *sk;
@@ -78,12 +78,13 @@
__u64 seq;
struct net *net = dev_net(skb->dev);
- if (skb->len < offset + sizeof(*dh) ||
- skb->len < offset + __dccp_basic_hdr_len(dh)) {
- ICMP6_INC_STATS_BH(net, __in6_dev_get(skb->dev),
- ICMP6_MIB_INERRORS);
- return;
- }
+ /* Only need dccph_dport & dccph_sport which are the first
+ * 4 bytes in dccp header.
+ * Our caller (icmpv6_notify()) already pulled 8 bytes for us.
+ */
+ BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_sport) > 8);
+ BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_dport) > 8);
+ dh = (struct dccp_hdr *)(skb->data + offset);
sk = __inet6_lookup_established(net, &dccp_hashinfo,
&hdr->daddr, dh->dccph_dport,
@@ -947,6 +948,7 @@
.getsockopt = ipv6_getsockopt,
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6),
+ .bind_conflict = inet6_csk_bind_conflict,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 41e6580..9fe25bf 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -1009,6 +1009,10 @@
__kfree_skb(skb);
}
+ /* If socket has been already reset kill it. */
+ if (sk->sk_state == DCCP_CLOSED)
+ goto adjudge_to_death;
+
if (data_was_unread) {
/* Unread data was tossed, send an appropriate Reset Code */
DCCP_WARN("ABORT with %u bytes unread\n", data_was_unread);
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 9e63f25..de85d4e 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -436,7 +436,7 @@
skb_gro_pull(skb, sizeof(*eh));
skb_gro_postpull_rcsum(skb, eh, sizeof(*eh));
- pp = ptype->callbacks.gro_receive(head, skb);
+ pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb);
out_unlock:
rcu_read_unlock();
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 1a5c1ca..afc18e9 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1372,7 +1372,7 @@
skb_gro_pull(skb, sizeof(*iph));
skb_set_transport_header(skb, skb_gro_offset(skb));
- pp = ops->callbacks.gro_receive(head, skb);
+ pp = call_gro_receive(ops->callbacks.gro_receive, head, skb);
out_unlock:
rcu_read_unlock();
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index d95631d..20fb25e 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -476,7 +476,7 @@
esph = (void *)skb_push(skb, 4);
*seqhi = esph->spi;
esph->spi = esph->seq_no;
- esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq.input.hi);
+ esph->seq_no = XFRM_SKB_CB(skb)->seq.input.hi;
aead_request_set_callback(req, 0, esp_input_done_esn, skb);
}
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index e5a3ff2..7c52afb 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2456,22 +2456,19 @@
struct key_vector *l, **tp = &iter->tnode;
t_key key;
- /* use cache location of next-to-find key */
+ /* use cached location of previously found key */
if (iter->pos > 0 && pos >= iter->pos) {
- pos -= iter->pos;
key = iter->key;
} else {
- iter->pos = 0;
+ iter->pos = 1;
key = 0;
}
- while ((l = leaf_walk_rcu(tp, key)) != NULL) {
+ pos -= iter->pos;
+
+ while ((l = leaf_walk_rcu(tp, key)) && (pos-- > 0)) {
key = l->key + 1;
iter->pos++;
-
- if (--pos <= 0)
- break;
-
l = NULL;
/* handle unlikely case of a key wrap */
@@ -2480,7 +2477,7 @@
}
if (l)
- iter->key = key; /* remember it */
+ iter->key = l->key; /* remember it */
else
iter->pos = 0; /* forget it */
@@ -2508,7 +2505,7 @@
return fib_route_get_idx(iter, *pos);
iter->pos = 0;
- iter->key = 0;
+ iter->key = KEY_MAX;
return SEQ_START_TOKEN;
}
@@ -2517,7 +2514,7 @@
{
struct fib_route_iter *iter = seq->private;
struct key_vector *l = NULL;
- t_key key = iter->key;
+ t_key key = iter->key + 1;
++*pos;
@@ -2526,7 +2523,7 @@
l = leaf_walk_rcu(&iter->tnode, key);
if (l) {
- iter->key = l->key + 1;
+ iter->key = l->key;
iter->pos++;
} else {
iter->pos = 0;
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 08d7de5..08d8ee1 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -201,7 +201,7 @@
if (!ops || !ops->callbacks.gro_receive)
goto out_unlock;
- pp = ops->callbacks.gro_receive(head, skb);
+ pp = call_gro_receive(ops->callbacks.gro_receive, head, skb);
out_unlock:
rcu_read_unlock();
@@ -360,7 +360,7 @@
if (WARN_ON_ONCE(!ops || !ops->callbacks.gro_receive))
goto out_unlock;
- pp = ops->callbacks.gro_receive(head, skb);
+ pp = call_gro_receive(ops->callbacks.gro_receive, head, skb);
out_unlock:
rcu_read_unlock();
diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c
index e603004..79ae0d7 100644
--- a/net/ipv4/gre_offload.c
+++ b/net/ipv4/gre_offload.c
@@ -219,7 +219,7 @@
/* Adjusted NAPI_GRO_CB(skb)->csum after skb_gro_pull()*/
skb_gro_postpull_rcsum(skb, greh, grehlen);
- pp = ptype->callbacks.gro_receive(head, skb);
+ pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb);
out_unlock:
rcu_read_unlock();
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index f2ad521..2b72833 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -102,6 +102,9 @@
iph->tot_len = htons(skb->len);
ip_send_check(iph);
+
+ skb->protocol = htons(ETH_P_IP);
+
return nf_hook(NFPROTO_IPV4, NF_INET_LOCAL_OUT,
net, sk, skb, NULL, skb_dst(skb)->dev,
dst_output);
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index a501242..9ce2025 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -98,7 +98,7 @@
}
static void ip_cmsg_recv_checksum(struct msghdr *msg, struct sk_buff *skb,
- int offset)
+ int tlen, int offset)
{
__wsum csum = skb->csum;
@@ -106,7 +106,9 @@
return;
if (offset != 0)
- csum = csum_sub(csum, csum_partial(skb->data, offset, 0));
+ csum = csum_sub(csum,
+ csum_partial(skb->data + tlen,
+ offset, 0));
put_cmsg(msg, SOL_IP, IP_CHECKSUM, sizeof(__wsum), &csum);
}
@@ -152,7 +154,7 @@
}
void ip_cmsg_recv_offset(struct msghdr *msg, struct sk_buff *skb,
- int offset)
+ int tlen, int offset)
{
struct inet_sock *inet = inet_sk(skb->sk);
unsigned int flags = inet->cmsg_flags;
@@ -215,7 +217,7 @@
}
if (flags & IP_CMSG_CHECKSUM)
- ip_cmsg_recv_checksum(msg, skb, offset);
+ ip_cmsg_recv_checksum(msg, skb, tlen, offset);
}
EXPORT_SYMBOL(ip_cmsg_recv_offset);
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 9d1e555..8e77786 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2192,7 +2192,7 @@
int ipmr_get_route(struct net *net, struct sk_buff *skb,
__be32 saddr, __be32 daddr,
- struct rtmsg *rtm, int nowait)
+ struct rtmsg *rtm, int nowait, u32 portid)
{
struct mfc_cache *cache;
struct mr_table *mrt;
@@ -2237,6 +2237,7 @@
return -ENOMEM;
}
+ NETLINK_CB(skb2).portid = portid;
skb_push(skb2, sizeof(struct iphdr));
skb_reset_network_header(skb2);
iph = ip_hdr(skb2);
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index aa67e0e..23160d2 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -660,6 +660,10 @@
if (len > 0xFFFF)
return -EMSGSIZE;
+ /* Must have at least a full ICMP header. */
+ if (len < icmph_len)
+ return -EINVAL;
+
/*
* Check the flags.
*/
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index b050cf9..7ceb8a5 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -747,7 +747,9 @@
goto reject_redirect;
}
- n = ipv4_neigh_lookup(&rt->dst, NULL, &new_gw);
+ n = __ipv4_neigh_lookup(rt->dst.dev, new_gw);
+ if (!n)
+ n = neigh_create(&arp_tbl, &new_gw, rt->dst.dev);
if (!IS_ERR(n)) {
if (!(n->nud_state & NUD_VALID)) {
neigh_event_send(n, NULL);
@@ -2492,7 +2494,8 @@
IPV4_DEVCONF_ALL(net, MC_FORWARDING)) {
int err = ipmr_get_route(net, skb,
fl4->saddr, fl4->daddr,
- r, nowait);
+ r, nowait, portid);
+
if (err <= 0) {
if (!nowait) {
if (err == 0)
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 683951d..839eabd 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -97,11 +97,11 @@
container_of(table->data, struct net, ipv4.ping_group_range.range);
unsigned int seq;
do {
- seq = read_seqbegin(&net->ipv4.ip_local_ports.lock);
+ seq = read_seqbegin(&net->ipv4.ping_group_range.lock);
*low = data[0];
*high = data[1];
- } while (read_seqretry(&net->ipv4.ip_local_ports.lock, seq));
+ } while (read_seqretry(&net->ipv4.ping_group_range.lock, seq));
}
/* Update system visible IP port range */
@@ -110,10 +110,10 @@
kgid_t *data = table->data;
struct net *net =
container_of(table->data, struct net, ipv4.ping_group_range.range);
- write_seqlock(&net->ipv4.ip_local_ports.lock);
+ write_seqlock(&net->ipv4.ping_group_range.lock);
data[0] = low;
data[1] = high;
- write_sequnlock(&net->ipv4.ip_local_ports.lock);
+ write_sequnlock(&net->ipv4.ping_group_range.lock);
}
/* Validate changes from /proc interface. */
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 6a71789..a41221a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1215,7 +1215,7 @@
if (!skb_can_coalesce(skb, i, pfrag->page,
pfrag->offset)) {
- if (i == sysctl_max_skb_frags || !sg) {
+ if (i >= sysctl_max_skb_frags || !sg) {
tcp_mark_push(tp, skb);
goto new_segment;
}
diff --git a/net/ipv4/tcp_dctcp.c b/net/ipv4/tcp_dctcp.c
index 7e538f7..55d7da1 100644
--- a/net/ipv4/tcp_dctcp.c
+++ b/net/ipv4/tcp_dctcp.c
@@ -56,6 +56,7 @@
u32 next_seq;
u32 ce_state;
u32 delayed_ack_reserved;
+ u32 loss_cwnd;
};
static unsigned int dctcp_shift_g __read_mostly = 4; /* g = 1/2^4 */
@@ -96,6 +97,7 @@
ca->dctcp_alpha = min(dctcp_alpha_on_init, DCTCP_MAX_ALPHA);
ca->delayed_ack_reserved = 0;
+ ca->loss_cwnd = 0;
ca->ce_state = 0;
dctcp_reset(tp, ca);
@@ -111,9 +113,10 @@
static u32 dctcp_ssthresh(struct sock *sk)
{
- const struct dctcp *ca = inet_csk_ca(sk);
+ struct dctcp *ca = inet_csk_ca(sk);
struct tcp_sock *tp = tcp_sk(sk);
+ ca->loss_cwnd = tp->snd_cwnd;
return max(tp->snd_cwnd - ((tp->snd_cwnd * ca->dctcp_alpha) >> 11U), 2U);
}
@@ -308,12 +311,20 @@
return 0;
}
+static u32 dctcp_cwnd_undo(struct sock *sk)
+{
+ const struct dctcp *ca = inet_csk_ca(sk);
+
+ return max(tcp_sk(sk)->snd_cwnd, ca->loss_cwnd);
+}
+
static struct tcp_congestion_ops dctcp __read_mostly = {
.init = dctcp_init,
.in_ack_event = dctcp_update_alpha,
.cwnd_event = dctcp_cwnd_event,
.ssthresh = dctcp_ssthresh,
.cong_avoid = tcp_reno_cong_avoid,
+ .undo_cwnd = dctcp_cwnd_undo,
.set_state = dctcp_state,
.get_info = dctcp_get_info,
.flags = TCP_CONG_NEEDS_ECN,
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 12b98e2..7cc0f8a 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2324,10 +2324,9 @@
}
#if IS_ENABLED(CONFIG_IPV6)
else if (sk->sk_family == AF_INET6) {
- struct ipv6_pinfo *np = inet6_sk(sk);
pr_debug("Undo %s %pI6/%u c%u l%u ss%u/%u p%u\n",
msg,
- &np->daddr, ntohs(inet->inet_dport),
+ &sk->sk_v6_daddr, ntohs(inet->inet_dport),
tp->snd_cwnd, tcp_left_out(tp),
tp->snd_ssthresh, tp->prior_ssthresh,
tp->packets_out);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index b5853ca..b58a38e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1533,6 +1533,21 @@
}
EXPORT_SYMBOL(tcp_prequeue);
+int tcp_filter(struct sock *sk, struct sk_buff *skb)
+{
+ struct tcphdr *th = (struct tcphdr *)skb->data;
+ unsigned int eaten = skb->len;
+ int err;
+
+ err = sk_filter_trim_cap(sk, skb, th->doff * 4);
+ if (!err) {
+ eaten -= skb->len;
+ TCP_SKB_CB(skb)->end_seq -= eaten;
+ }
+ return err;
+}
+EXPORT_SYMBOL(tcp_filter);
+
/*
* From tcp_input.c
*/
@@ -1638,8 +1653,10 @@
nf_reset(skb);
- if (sk_filter(sk, skb))
+ if (tcp_filter(sk, skb))
goto discard_and_relse;
+ th = (const struct tcphdr *)skb->data;
+ iph = ip_hdr(skb);
skb->dev = NULL;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 660c967..0795647 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1950,12 +1950,14 @@
len = 0;
tcp_for_write_queue_from_safe(skb, next, sk) {
copy = min_t(int, skb->len, probe_size - len);
- if (nskb->ip_summed)
+ if (nskb->ip_summed) {
skb_copy_bits(skb, 0, skb_put(nskb, copy), copy);
- else
- nskb->csum = skb_copy_and_csum_bits(skb, 0,
- skb_put(nskb, copy),
- copy, nskb->csum);
+ } else {
+ __wsum csum = skb_copy_and_csum_bits(skb, 0,
+ skb_put(nskb, copy),
+ copy, 0);
+ nskb->csum = csum_block_add(nskb->csum, csum, len);
+ }
if (skb->len <= copy) {
/* We've eaten all the data from this skb.
@@ -2569,7 +2571,8 @@
* copying overhead: fragmentation, tunneling, mangling etc.
*/
if (atomic_read(&sk->sk_wmem_alloc) >
- min(sk->sk_wmem_queued + (sk->sk_wmem_queued >> 2), sk->sk_sndbuf))
+ min_t(u32, sk->sk_wmem_queued + (sk->sk_wmem_queued >> 2),
+ sk->sk_sndbuf))
return -EAGAIN;
if (skb_still_in_host_queue(sk, skb))
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 9cdd883..361f4b3 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1343,7 +1343,7 @@
*addr_len = sizeof(*sin);
}
if (inet->cmsg_flags)
- ip_cmsg_recv_offset(msg, skb, sizeof(struct udphdr));
+ ip_cmsg_recv_offset(msg, skb, sizeof(struct udphdr), off);
err = copied;
if (flags & MSG_TRUNC)
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 0e36e56..6396f1c 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -339,8 +339,8 @@
skb_gro_pull(skb, sizeof(struct udphdr)); /* pull encapsulating udp header */
skb_gro_postpull_rcsum(skb, uh, sizeof(struct udphdr));
NAPI_GRO_CB(skb)->proto = uo_priv->offload->ipproto;
- pp = uo_priv->offload->callbacks.gro_receive(head, skb,
- uo_priv->offload);
+ pp = call_gro_receive_udp(uo_priv->offload->callbacks.gro_receive,
+ head, skb, uo_priv->offload);
out_unlock:
rcu_read_unlock();
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 036b39e..cb8bb59 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2916,7 +2916,7 @@
* lo device down, release this obsolete dst and
* reallocate a new router for ifa.
*/
- if (sp_ifa->rt->dst.obsolete > 0) {
+ if (!atomic_read(&sp_ifa->rt->rt6i_ref)) {
ip6_rt_put(sp_ifa->rt);
sp_ifa->rt = NULL;
} else {
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 060a60b..111ba55 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -418,7 +418,7 @@
esph = (void *)skb_push(skb, 4);
*seqhi = esph->spi;
esph->spi = esph->seq_no;
- esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq.input.hi);
+ esph->seq_no = XFRM_SKB_CB(skb)->seq.input.hi;
aead_request_set_callback(req, 0, esp_input_done_esn, skb);
}
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 4650c68..17430f3 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -886,7 +886,6 @@
encap_limit = t->parms.encap_limit;
memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
- fl6.flowi6_proto = skb->protocol;
err = ip6gre_xmit2(skb, dev, 0, &fl6, encap_limit, &mtu);
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 82e9f30..efe6268 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -247,7 +247,7 @@
skb_gro_postpull_rcsum(skb, iph, nlen);
- pp = ops->callbacks.gro_receive(head, skb);
+ pp = call_gro_receive(ops->callbacks.gro_receive, head, skb);
out_unlock:
rcu_read_unlock();
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 3991b21..2994d1f 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -246,6 +246,7 @@
hash = HASH(&any, local);
for_each_ip6_tunnel_rcu(ip6n->tnls_r_l[hash]) {
if (ipv6_addr_equal(local, &t->parms.laddr) &&
+ ipv6_addr_any(&t->parms.raddr) &&
(t->dev->flags & IFF_UP))
return t;
}
@@ -253,6 +254,7 @@
hash = HASH(remote, &any);
for_each_ip6_tunnel_rcu(ip6n->tnls_r_l[hash]) {
if (ipv6_addr_equal(remote, &t->parms.raddr) &&
+ ipv6_addr_any(&t->parms.laddr) &&
(t->dev->flags & IFF_UP))
return t;
}
@@ -1041,6 +1043,7 @@
struct ipv6_tel_txoption opt;
struct dst_entry *dst = NULL, *ndst = NULL;
struct net_device *tdev;
+ bool use_cache = false;
int mtu;
unsigned int max_headroom = sizeof(struct ipv6hdr);
u8 proto;
@@ -1068,7 +1071,15 @@
memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr));
neigh_release(neigh);
- } else if (!fl6->flowi6_mark)
+ } else if (!(t->parms.flags &
+ (IP6_TNL_F_USE_ORIG_TCLASS | IP6_TNL_F_USE_ORIG_FWMARK))) {
+ /* enable the cache only only if the routing decision does
+ * not depend on the current inner header value
+ */
+ use_cache = true;
+ }
+
+ if (use_cache)
dst = ip6_tnl_dst_get(t);
if (!ip6_tnl_xmit_ctl(t, &fl6->saddr, &fl6->daddr))
@@ -1132,7 +1143,7 @@
skb = new_skb;
}
- if (!fl6->flowi6_mark && ndst)
+ if (use_cache && ndst)
ip6_tnl_dst_set(t, ndst);
skb_dst_set(skb, dst);
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index e207cb2..d9843e5 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -2276,8 +2276,8 @@
return 1;
}
-int ip6mr_get_route(struct net *net,
- struct sk_buff *skb, struct rtmsg *rtm, int nowait)
+int ip6mr_get_route(struct net *net, struct sk_buff *skb, struct rtmsg *rtm,
+ int nowait, u32 portid)
{
int err;
struct mr6_table *mrt;
@@ -2322,6 +2322,7 @@
return -ENOMEM;
}
+ NETLINK_CB(skb2).portid = portid;
skb_reset_transport_header(skb2);
skb_put(skb2, sizeof(struct ipv6hdr));
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index 462f2a7..1d18432 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -148,6 +148,8 @@
ipv6_hdr(skb)->payload_len = htons(len);
IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
+ skb->protocol = htons(ETH_P_IPV6);
+
return nf_hook(NFPROTO_IPV6, NF_INET_LOCAL_OUT,
net, sk, skb, NULL, skb_dst(skb)->dev,
dst_output);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 5af2cca..dbffc9d 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3140,7 +3140,9 @@
if (iif) {
#ifdef CONFIG_IPV6_MROUTE
if (ipv6_addr_is_multicast(&rt->rt6i_dst.addr)) {
- int err = ip6mr_get_route(net, skb, rtm, nowait);
+ int err = ip6mr_get_route(net, skb, rtm, nowait,
+ portid);
+
if (err <= 0) {
if (!nowait) {
if (err == 0)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 2d81e2f..5f58161 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1179,6 +1179,16 @@
return NULL;
}
+static void tcp_v6_restore_cb(struct sk_buff *skb)
+{
+ /* We need to move header back to the beginning if xfrm6_policy_check()
+ * and tcp_v6_fill_cb() are going to be called again.
+ * ip6_datagram_recv_specific_ctl() also expects IP6CB to be there.
+ */
+ memmove(IP6CB(skb), &TCP_SKB_CB(skb)->header.h6,
+ sizeof(struct inet6_skb_parm));
+}
+
/* The socket must have it's spinlock held when we get
* here, unless it is a TCP_LISTEN socket.
*
@@ -1204,7 +1214,7 @@
if (skb->protocol == htons(ETH_P_IP))
return tcp_v4_do_rcv(sk, skb);
- if (sk_filter(sk, skb))
+ if (tcp_filter(sk, skb))
goto discard;
/*
@@ -1308,6 +1318,7 @@
np->flow_label = ip6_flowlabel(ipv6_hdr(opt_skb));
if (ipv6_opt_accepted(sk, opt_skb, &TCP_SKB_CB(opt_skb)->header.h6)) {
skb_set_owner_r(opt_skb, sk);
+ tcp_v6_restore_cb(opt_skb);
opt_skb = xchg(&np->pktoptions, opt_skb);
} else {
__kfree_skb(opt_skb);
@@ -1341,15 +1352,6 @@
TCP_SKB_CB(skb)->sacked = 0;
}
-static void tcp_v6_restore_cb(struct sk_buff *skb)
-{
- /* We need to move header back to the beginning if xfrm6_policy_check()
- * and tcp_v6_fill_cb() are going to be called again.
- */
- memmove(IP6CB(skb), &TCP_SKB_CB(skb)->header.h6,
- sizeof(struct inet6_skb_parm));
-}
-
static int tcp_v6_rcv(struct sk_buff *skb)
{
const struct tcphdr *th;
@@ -1436,8 +1438,10 @@
if (tcp_v6_inbound_md5_hash(sk, skb))
goto discard_and_relse;
- if (sk_filter(sk, skb))
+ if (tcp_filter(sk, skb))
goto discard_and_relse;
+ th = (const struct tcphdr *)skb->data;
+ hdr = ipv6_hdr(skb);
skb->dev = NULL;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 972cbd7..40049f2 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -498,7 +498,8 @@
if (is_udp4) {
if (inet->cmsg_flags)
- ip_cmsg_recv(msg, skb);
+ ip_cmsg_recv_offset(msg, skb,
+ sizeof(struct udphdr), off);
} else {
if (np->rxopt.all)
ip6_datagram_recv_specific_ctl(sk, msg, skb);
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 42de4cc..d0e906d 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -251,8 +251,6 @@
int ret;
int chk_addr_ret;
- if (!sock_flag(sk, SOCK_ZAPPED))
- return -EINVAL;
if (addr_len < sizeof(struct sockaddr_l2tpip))
return -EINVAL;
if (addr->l2tp_family != AF_INET)
@@ -267,6 +265,9 @@
read_unlock_bh(&l2tp_ip_lock);
lock_sock(sk);
+ if (!sock_flag(sk, SOCK_ZAPPED))
+ goto out;
+
if (sk->sk_state != TCP_CLOSE || addr_len < sizeof(struct sockaddr_l2tpip))
goto out;
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 9ee4ddb..3c4f867 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -266,8 +266,6 @@
int addr_type;
int err;
- if (!sock_flag(sk, SOCK_ZAPPED))
- return -EINVAL;
if (addr->l2tp_family != AF_INET6)
return -EINVAL;
if (addr_len < sizeof(*addr))
@@ -293,6 +291,9 @@
lock_sock(sk);
err = -EINVAL;
+ if (!sock_flag(sk, SOCK_ZAPPED))
+ goto out_unlock;
+
if (sk->sk_state != TCP_CLOSE)
goto out_unlock;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index a3bb8f7..2b52838 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2203,16 +2203,22 @@
if (!(status->rx_flags & IEEE80211_RX_AMSDU))
return RX_CONTINUE;
- if (ieee80211_has_a4(hdr->frame_control) &&
- rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
- !rx->sdata->u.vlan.sta)
- return RX_DROP_UNUSABLE;
+ if (unlikely(ieee80211_has_a4(hdr->frame_control))) {
+ switch (rx->sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+ if (!rx->sdata->u.vlan.sta)
+ return RX_DROP_UNUSABLE;
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (!rx->sdata->u.mgd.use_4addr)
+ return RX_DROP_UNUSABLE;
+ break;
+ default:
+ return RX_DROP_UNUSABLE;
+ }
+ }
- if (is_multicast_ether_addr(hdr->addr1) &&
- ((rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
- rx->sdata->u.vlan.sta) ||
- (rx->sdata->vif.type == NL80211_IFTYPE_STATION &&
- rx->sdata->u.mgd.use_4addr)))
+ if (is_multicast_ether_addr(hdr->addr1))
return RX_DROP_UNUSABLE;
skb->dev = dev;
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index a5d41df..2c89f90 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -401,7 +401,7 @@
size_t size = *lenp;
int r = 0;
int tindex = (unsigned long)table->extra1;
- struct net *net = current->nsproxy->net_ns;
+ struct net *net = table->extra2;
if (write) {
if (size > sizeof(buf))
@@ -453,7 +453,6 @@
3, "%d", i);
nf_log_sysctl_table[i].procname =
nf_log_sysctl_fnames[i];
- nf_log_sysctl_table[i].data = NULL;
nf_log_sysctl_table[i].maxlen = NFLOGGER_NAME_LEN;
nf_log_sysctl_table[i].mode = 0644;
nf_log_sysctl_table[i].proc_handler =
@@ -463,6 +462,9 @@
}
}
+ for (i = NFPROTO_UNSPEC; i < NFPROTO_NUMPROTO; i++)
+ table[i].extra2 = net;
+
net->nf.nf_log_dir_header = register_net_sysctl(net,
"net/netfilter/nf_log",
table);
diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c
index 9dec3bd..0a5df0c 100644
--- a/net/netfilter/nft_dynset.c
+++ b/net/netfilter/nft_dynset.c
@@ -140,7 +140,8 @@
if (tb[NFTA_DYNSET_TIMEOUT] != NULL) {
if (!(set->flags & NFT_SET_TIMEOUT))
return -EINVAL;
- timeout = be64_to_cpu(nla_get_be64(tb[NFTA_DYNSET_TIMEOUT]));
+ timeout = msecs_to_jiffies(be64_to_cpu(nla_get_be64(
+ tb[NFTA_DYNSET_TIMEOUT])));
}
priv->sreg_key = nft_parse_register(tb[NFTA_DYNSET_SREG_KEY]);
@@ -227,7 +228,8 @@
goto nla_put_failure;
if (nla_put_string(skb, NFTA_DYNSET_SET_NAME, priv->set->name))
goto nla_put_failure;
- if (nla_put_be64(skb, NFTA_DYNSET_TIMEOUT, cpu_to_be64(priv->timeout)))
+ if (nla_put_be64(skb, NFTA_DYNSET_TIMEOUT,
+ cpu_to_be64(jiffies_to_msecs(priv->timeout))))
goto nla_put_failure;
if (priv->expr && nft_expr_dump(skb, NFTA_DYNSET_EXPR, priv->expr))
goto nla_put_failure;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 7a5fa0c..360700a 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -931,7 +931,6 @@
if (nlk->cb_running) {
if (nlk->cb.done)
nlk->cb.done(&nlk->cb);
-
module_put(nlk->cb.module);
kfree_skb(nlk->cb.skb);
}
@@ -960,6 +959,14 @@
WARN_ON(nlk_sk(sk)->groups);
}
+static void netlink_sock_destruct_work(struct work_struct *work)
+{
+ struct netlink_sock *nlk = container_of(work, struct netlink_sock,
+ work);
+
+ sk_free(&nlk->sk);
+}
+
/* This lock without WQ_FLAG_EXCLUSIVE is good on UP and it is _very_ bad on
* SMP. Look, when several writers sleep and reader wakes them up, all but one
* immediately hit write lock and grab all the cpus. Exclusive sleep solves
@@ -1265,8 +1272,18 @@
static void deferred_put_nlk_sk(struct rcu_head *head)
{
struct netlink_sock *nlk = container_of(head, struct netlink_sock, rcu);
+ struct sock *sk = &nlk->sk;
- sock_put(&nlk->sk);
+ if (!atomic_dec_and_test(&sk->sk_refcnt))
+ return;
+
+ if (nlk->cb_running && nlk->cb.done) {
+ INIT_WORK(&nlk->work, netlink_sock_destruct_work);
+ schedule_work(&nlk->work);
+ return;
+ }
+
+ sk_free(sk);
}
static int netlink_release(struct socket *sock)
@@ -2557,7 +2574,7 @@
/* Record the max length of recvmsg() calls for future allocations */
nlk->max_recvmsg_len = max(nlk->max_recvmsg_len, len);
nlk->max_recvmsg_len = min_t(size_t, nlk->max_recvmsg_len,
- 16384);
+ SKB_WITH_OVERHEAD(32768));
copied = data_skb->len;
if (len < copied) {
@@ -2810,14 +2827,13 @@
if (alloc_min_size < nlk->max_recvmsg_len) {
alloc_size = nlk->max_recvmsg_len;
skb = netlink_alloc_skb(sk, alloc_size, nlk->portid,
- GFP_KERNEL |
- __GFP_NOWARN |
- __GFP_NORETRY);
+ (GFP_KERNEL & ~__GFP_DIRECT_RECLAIM) |
+ __GFP_NOWARN | __GFP_NORETRY);
}
if (!skb) {
alloc_size = alloc_min_size;
skb = netlink_alloc_skb(sk, alloc_size, nlk->portid,
- GFP_KERNEL);
+ (GFP_KERNEL & ~__GFP_DIRECT_RECLAIM));
}
if (!skb)
goto errout_skb;
diff --git a/net/netlink/af_netlink.h b/net/netlink/af_netlink.h
index 14437d9..df32cb9 100644
--- a/net/netlink/af_netlink.h
+++ b/net/netlink/af_netlink.h
@@ -3,6 +3,7 @@
#include <linux/rhashtable.h>
#include <linux/atomic.h>
+#include <linux/workqueue.h>
#include <net/sock.h>
#define NLGRPSZ(x) (ALIGN(x, sizeof(unsigned long) * 8) / 8)
@@ -53,6 +54,7 @@
struct rhash_head node;
struct rcu_head rcu;
+ struct work_struct work;
};
static inline struct netlink_sock *nlk_sk(struct sock *sk)
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index a86f26d..f223d1c 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -249,7 +249,7 @@
static int packet_direct_xmit(struct sk_buff *skb)
{
struct net_device *dev = skb->dev;
- netdev_features_t features;
+ struct sk_buff *orig_skb = skb;
struct netdev_queue *txq;
int ret = NETDEV_TX_BUSY;
@@ -257,9 +257,8 @@
!netif_carrier_ok(dev)))
goto drop;
- features = netif_skb_features(skb);
- if (skb_needs_linearize(skb, features) &&
- __skb_linearize(skb))
+ skb = validate_xmit_skb_list(skb, dev);
+ if (skb != orig_skb)
goto drop;
txq = skb_get_tx_queue(dev, skb);
@@ -279,7 +278,7 @@
return ret;
drop:
atomic_long_inc(&dev->tx_dropped);
- kfree_skb(skb);
+ kfree_skb_list(skb);
return NET_XMIT_DROP;
}
@@ -3573,19 +3572,25 @@
if (optlen != sizeof(val))
return -EINVAL;
- if (po->rx_ring.pg_vec || po->tx_ring.pg_vec)
- return -EBUSY;
if (copy_from_user(&val, optval, sizeof(val)))
return -EFAULT;
switch (val) {
case TPACKET_V1:
case TPACKET_V2:
case TPACKET_V3:
- po->tp_version = val;
- return 0;
+ break;
default:
return -EINVAL;
}
+ lock_sock(sk);
+ if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) {
+ ret = -EBUSY;
+ } else {
+ po->tp_version = val;
+ ret = 0;
+ }
+ release_sock(sk);
+ return ret;
}
case PACKET_RESERVE:
{
@@ -3855,6 +3860,7 @@
}
if (msg == NETDEV_UNREGISTER) {
packet_cached_dev_reset(po);
+ fanout_release(sk);
po->ifindex = -1;
if (po->prot_hook.dev)
dev_put(po->prot_hook.dev);
@@ -4067,6 +4073,7 @@
/* Added to avoid minimal code churn */
struct tpacket_req *req = &req_u->req;
+ lock_sock(sk);
/* Opening a Tx-ring is NOT supported in TPACKET_V3 */
if (!closing && tx_ring && (po->tp_version > TPACKET_V2)) {
WARN(1, "Tx-ring is not supported.\n");
@@ -4148,7 +4155,6 @@
goto out;
}
- lock_sock(sk);
/* Detach socket from network */
spin_lock(&po->bind_lock);
@@ -4197,11 +4203,11 @@
if (!tx_ring)
prb_shutdown_retire_blk_timer(po, rb_queue);
}
- release_sock(sk);
if (pg_vec)
free_pg_vec(pg_vec, order, req->tp_block_nr);
out:
+ release_sock(sk);
return err;
}
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index e38a770..c3434e9 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -104,6 +104,17 @@
kfree(keys);
}
+static bool offset_valid(struct sk_buff *skb, int offset)
+{
+ if (offset > 0 && offset > skb->len)
+ return false;
+
+ if (offset < 0 && -offset > skb_headroom(skb))
+ return false;
+
+ return true;
+}
+
static int tcf_pedit(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
@@ -130,6 +141,11 @@
if (tkey->offmask) {
char *d, _d;
+ if (!offset_valid(skb, off + tkey->at)) {
+ pr_info("tc filter pedit 'at' offset %d out of bounds\n",
+ off + tkey->at);
+ goto bad;
+ }
d = skb_header_pointer(skb, off + tkey->at, 1,
&_d);
if (!d)
@@ -142,10 +158,10 @@
" offset must be on 32 bit boundaries\n");
goto bad;
}
- if (offset > 0 && offset > skb->len) {
- pr_info("tc filter pedit"
- " offset %d can't exceed pkt length %d\n",
- offset, skb->len);
+
+ if (!offset_valid(skb, off + offset)) {
+ pr_info("tc filter pedit offset %d out of bounds\n",
+ offset);
goto bad;
}
diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c
index 796785e..d7edba4 100644
--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -33,6 +33,12 @@
bstats_update(&v->tcf_bstats, skb);
action = v->tcf_action;
+ /* Ensure 'data' points at mac_header prior calling vlan manipulating
+ * functions.
+ */
+ if (skb_at_tc_ingress(skb))
+ skb_push_rcsum(skb, skb->mac_len);
+
switch (v->tcfv_action) {
case TCA_VLAN_ACT_POP:
err = skb_vlan_pop(skb);
@@ -54,6 +60,9 @@
action = TC_ACT_SHOT;
v->tcf_qstats.drops++;
unlock:
+ if (skb_at_tc_ingress(skb))
+ skb_pull_rcsum(skb, skb->mac_len);
+
spin_unlock(&v->tcf_lock);
return action;
}
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index a75864d..ecc1904 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -315,7 +315,8 @@
if (err == 0) {
struct tcf_proto *next = rtnl_dereference(tp->next);
- tfilter_notify(net, skb, n, tp, fh, RTM_DELTFILTER);
+ tfilter_notify(net, skb, n, tp,
+ t->tcm_handle, RTM_DELTFILTER);
if (tcf_destroy(tp, false))
RCU_INIT_POINTER(*back, next);
}
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 0b8c3ac..1bf1f451 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -62,9 +62,6 @@
struct basic_head *head = rtnl_dereference(tp->root);
struct basic_filter *f;
- if (head == NULL)
- return 0UL;
-
list_for_each_entry(f, &head->flist, link) {
if (f->handle == handle) {
l = (unsigned long) f;
@@ -109,7 +106,6 @@
tcf_unbind_filter(tp, &f->res);
call_rcu(&f->rcu, basic_delete_filter);
}
- RCU_INIT_POINTER(tp->root, NULL);
kfree_rcu(head, rcu);
return true;
}
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index 5faaa54..3eef021 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -199,7 +199,6 @@
call_rcu(&prog->rcu, __cls_bpf_delete_prog);
}
- RCU_INIT_POINTER(tp->root, NULL);
kfree_rcu(head, rcu);
return true;
}
@@ -210,9 +209,6 @@
struct cls_bpf_prog *prog;
unsigned long ret = 0UL;
- if (head == NULL)
- return 0UL;
-
list_for_each_entry(prog, &head->plist, link) {
if (prog->handle == handle) {
ret = (unsigned long) prog;
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 4c85bd3..c104c20 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -130,11 +130,10 @@
if (!force)
return false;
-
- if (head) {
- RCU_INIT_POINTER(tp->root, NULL);
+ /* Head can still be NULL due to cls_cgroup_init(). */
+ if (head)
call_rcu(&head->rcu, cls_cgroup_destroy_rcu);
- }
+
return true;
}
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index fbfec6a..d7ba2b4 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -583,7 +583,6 @@
list_del_rcu(&f->list);
call_rcu(&f->rcu, flow_destroy_filter);
}
- RCU_INIT_POINTER(tp->root, NULL);
kfree_rcu(head, rcu);
return true;
}
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 95b0212..e5a58c8 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -13,6 +13,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/rhashtable.h>
+#include <linux/workqueue.h>
#include <linux/if_ether.h>
#include <linux/in6.h>
@@ -55,7 +56,10 @@
bool mask_assigned;
struct list_head filters;
struct rhashtable_params ht_params;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
struct cls_fl_filter {
@@ -165,6 +169,24 @@
kfree(f);
}
+static void fl_destroy_sleepable(struct work_struct *work)
+{
+ struct cls_fl_head *head = container_of(work, struct cls_fl_head,
+ work);
+ if (head->mask_assigned)
+ rhashtable_destroy(&head->ht);
+ kfree(head);
+ module_put(THIS_MODULE);
+}
+
+static void fl_destroy_rcu(struct rcu_head *rcu)
+{
+ struct cls_fl_head *head = container_of(rcu, struct cls_fl_head, rcu);
+
+ INIT_WORK(&head->work, fl_destroy_sleepable);
+ schedule_work(&head->work);
+}
+
static bool fl_destroy(struct tcf_proto *tp, bool force)
{
struct cls_fl_head *head = rtnl_dereference(tp->root);
@@ -177,10 +199,9 @@
list_del_rcu(&f->list);
call_rcu(&f->rcu, fl_destroy_filter);
}
- RCU_INIT_POINTER(tp->root, NULL);
- if (head->mask_assigned)
- rhashtable_destroy(&head->ht);
- kfree_rcu(head, rcu);
+
+ __module_get(THIS_MODULE);
+ call_rcu(&head->rcu, fl_destroy_rcu);
return true;
}
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index f9c9fc0..9992dfa 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -152,7 +152,8 @@
return -1;
nhptr = ip_hdr(skb);
#endif
-
+ if (unlikely(!head))
+ return -1;
restart:
#if RSVP_DST_LEN == 4
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 944c8ff..403746b 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -503,7 +503,6 @@
walker.fn = tcindex_destroy_element;
tcindex_walk(tp, &walker);
- RCU_INIT_POINTER(tp->root, NULL);
call_rcu(&p->rcu, __tcindex_destroy);
return true;
}
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 22c2bf3..29c7c43 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3426,6 +3426,12 @@
return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
+ /* Report violation if chunk len overflows */
+ ch_end = ((__u8 *)ch) + WORD_ROUND(ntohs(ch->length));
+ if (ch_end > skb_tail_pointer(skb))
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
+ commands);
+
/* Now that we know we at least have a chunk header,
* do things that are type appropriate.
*/
@@ -3457,12 +3463,6 @@
}
}
- /* Report violation if chunk len overflows */
- ch_end = ((__u8 *)ch) + WORD_ROUND(ntohs(ch->length));
- if (ch_end > skb_tail_pointer(skb))
- return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
- commands);
-
ch = (sctp_chunkhdr_t *) ch_end;
} while (ch_end < skb_tail_pointer(skb));
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index be1489f..b5fd4ab 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1212,9 +1212,12 @@
timeo = sock_sndtimeo(sk, f_flags & O_NONBLOCK);
- err = sctp_wait_for_connect(asoc, &timeo);
- if ((err == 0 || err == -EINPROGRESS) && assoc_id)
+ if (assoc_id)
*assoc_id = asoc->assoc_id;
+ err = sctp_wait_for_connect(asoc, &timeo);
+ /* Note: the asoc may be freed after the return of
+ * sctp_wait_for_connect.
+ */
/* Don't free association on exit. */
asoc = NULL;
@@ -4371,7 +4374,7 @@
static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval,
int __user *optlen)
{
- if (len <= 0)
+ if (len == 0)
return -EINVAL;
if (len > sizeof(struct sctp_event_subscribe))
len = sizeof(struct sctp_event_subscribe);
@@ -5972,6 +5975,9 @@
if (get_user(len, optlen))
return -EFAULT;
+ if (len < 0)
+ return -EINVAL;
+
lock_sock(sk);
switch (optname) {
diff --git a/net/socket.c b/net/socket.c
index 5691b5b..a4cc3ef 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2053,6 +2053,8 @@
if (err)
break;
++datagrams;
+ if (msg_data_left(&msg_sys))
+ break;
}
fput_light(sock->file, fput_needed);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 824cc1e..73f7525 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2194,7 +2194,8 @@
* Sleep until more data has arrived. But check for races..
*/
static long unix_stream_data_wait(struct sock *sk, long timeo,
- struct sk_buff *last, unsigned int last_len)
+ struct sk_buff *last, unsigned int last_len,
+ bool freezable)
{
struct sk_buff *tail;
DEFINE_WAIT(wait);
@@ -2215,7 +2216,10 @@
sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk);
unix_state_unlock(sk);
- timeo = freezable_schedule_timeout(timeo);
+ if (freezable)
+ timeo = freezable_schedule_timeout(timeo);
+ else
+ timeo = schedule_timeout(timeo);
unix_state_lock(sk);
if (sock_flag(sk, SOCK_DEAD))
@@ -2245,7 +2249,8 @@
unsigned int splice_flags;
};
-static int unix_stream_read_generic(struct unix_stream_read_state *state)
+static int unix_stream_read_generic(struct unix_stream_read_state *state,
+ bool freezable)
{
struct scm_cookie scm;
struct socket *sock = state->socket;
@@ -2324,7 +2329,7 @@
mutex_unlock(&u->iolock);
timeo = unix_stream_data_wait(sk, timeo, last,
- last_len);
+ last_len, freezable);
if (signal_pending(current)) {
err = sock_intr_errno(timeo);
@@ -2466,7 +2471,7 @@
.flags = flags
};
- return unix_stream_read_generic(&state);
+ return unix_stream_read_generic(&state, true);
}
static ssize_t skb_unix_socket_splice(struct sock *sk,
@@ -2512,7 +2517,7 @@
flags & SPLICE_F_NONBLOCK)
state.flags = MSG_DONTWAIT;
- return unix_stream_read_generic(&state);
+ return unix_stream_read_generic(&state, false);
}
static int unix_shutdown(struct socket *sock, int mode)
diff --git a/net/wireless/core.h b/net/wireless/core.h
index a618b4b..47a967f 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -72,6 +72,7 @@
struct list_head bss_list;
struct rb_root bss_tree;
u32 bss_generation;
+ u32 bss_entries;
struct cfg80211_scan_request *scan_req; /* protected by RTNL */
struct sk_buff *scan_msg;
struct cfg80211_sched_scan_request __rcu *sched_scan_req;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 14d5369..8dde12a 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -56,6 +56,19 @@
* also linked into the probe response struct.
*/
+/*
+ * Limit the number of BSS entries stored in mac80211. Each one is
+ * a bit over 4k at most, so this limits to roughly 4-5M of memory.
+ * If somebody wants to really attack this though, they'd likely
+ * use small beacons, and only one type of frame, limiting each of
+ * the entries to a much smaller size (in order to generate more
+ * entries in total, so overhead is bigger.)
+ */
+static int bss_entries_limit = 1000;
+module_param(bss_entries_limit, int, 0644);
+MODULE_PARM_DESC(bss_entries_limit,
+ "limit to number of scan BSS entries (per wiphy, default 1000)");
+
#define IEEE80211_SCAN_RESULT_EXPIRE (30 * HZ)
static void bss_free(struct cfg80211_internal_bss *bss)
@@ -136,6 +149,10 @@
list_del_init(&bss->list);
rb_erase(&bss->rbn, &rdev->bss_tree);
+ rdev->bss_entries--;
+ WARN_ONCE((rdev->bss_entries == 0) ^ list_empty(&rdev->bss_list),
+ "rdev bss entries[%d]/list[empty:%d] corruption\n",
+ rdev->bss_entries, list_empty(&rdev->bss_list));
bss_ref_put(rdev, bss);
return true;
}
@@ -162,6 +179,40 @@
rdev->bss_generation++;
}
+static bool cfg80211_bss_expire_oldest(struct cfg80211_registered_device *rdev)
+{
+ struct cfg80211_internal_bss *bss, *oldest = NULL;
+ bool ret;
+
+ lockdep_assert_held(&rdev->bss_lock);
+
+ list_for_each_entry(bss, &rdev->bss_list, list) {
+ if (atomic_read(&bss->hold))
+ continue;
+
+ if (!list_empty(&bss->hidden_list) &&
+ !bss->pub.hidden_beacon_bss)
+ continue;
+
+ if (oldest && time_before(oldest->ts, bss->ts))
+ continue;
+ oldest = bss;
+ }
+
+ if (WARN_ON(!oldest))
+ return false;
+
+ /*
+ * The callers make sure to increase rdev->bss_generation if anything
+ * gets removed (and a new entry added), so there's no need to also do
+ * it here.
+ */
+
+ ret = __cfg80211_unlink_bss(rdev, oldest);
+ WARN_ON(!ret);
+ return ret;
+}
+
void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
bool send_message)
{
@@ -687,6 +738,7 @@
const u8 *ie;
int i, ssidlen;
u8 fold = 0;
+ u32 n_entries = 0;
ies = rcu_access_pointer(new->pub.beacon_ies);
if (WARN_ON(!ies))
@@ -710,6 +762,12 @@
/* This is the bad part ... */
list_for_each_entry(bss, &rdev->bss_list, list) {
+ /*
+ * we're iterating all the entries anyway, so take the
+ * opportunity to validate the list length accounting
+ */
+ n_entries++;
+
if (!ether_addr_equal(bss->pub.bssid, new->pub.bssid))
continue;
if (bss->pub.channel != new->pub.channel)
@@ -738,6 +796,10 @@
new->pub.beacon_ies);
}
+ WARN_ONCE(n_entries != rdev->bss_entries,
+ "rdev bss entries[%d]/list[len:%d] corruption\n",
+ rdev->bss_entries, n_entries);
+
return true;
}
@@ -890,7 +952,14 @@
}
}
+ if (rdev->bss_entries >= bss_entries_limit &&
+ !cfg80211_bss_expire_oldest(rdev)) {
+ kfree(new);
+ goto drop;
+ }
+
list_add_tail(&new->list, &rdev->bss_list);
+ rdev->bss_entries++;
rb_insert_bss(rdev, new);
found = new;
}
diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh
index 973e8c1..17867e7 100755
--- a/scripts/gcc-x86_64-has-stack-protector.sh
+++ b/scripts/gcc-x86_64-has-stack-protector.sh
@@ -1,6 +1,6 @@
#!/bin/sh
-echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
+echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fno-PIE -fstack-protector - -o - 2> /dev/null | grep -q "%gs"
if [ "$?" -eq "0" ] ; then
echo y
else
diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c
index dc0027b..53426a6 100644
--- a/security/apparmor/domain.c
+++ b/security/apparmor/domain.c
@@ -623,8 +623,8 @@
/* released below */
cred = get_current_cred();
cxt = cred_cxt(cred);
- profile = aa_cred_profile(cred);
- previous_profile = cxt->previous;
+ profile = aa_get_newest_profile(aa_cred_profile(cred));
+ previous_profile = aa_get_newest_profile(cxt->previous);
if (unconfined(profile)) {
info = "unconfined";
@@ -720,6 +720,8 @@
out:
aa_put_profile(hat);
kfree(name);
+ aa_put_profile(profile);
+ aa_put_profile(previous_profile);
put_cred(cred);
return error;
diff --git a/security/keys/proc.c b/security/keys/proc.c
index f0611a6..b9f531c 100644
--- a/security/keys/proc.c
+++ b/security/keys/proc.c
@@ -181,7 +181,7 @@
struct timespec now;
unsigned long timo;
key_ref_t key_ref, skey_ref;
- char xbuf[12];
+ char xbuf[16];
int rc;
struct keyring_search_context ctx = {
diff --git a/sound/core/info.c b/sound/core/info.c
index 895362a..8ab72e0 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -325,10 +325,15 @@
size_t next;
int err = 0;
+ if (!entry->c.text.write)
+ return -EIO;
pos = *offset;
if (!valid_pos(pos, count))
return -EIO;
next = pos + count;
+ /* don't handle too large text inputs */
+ if (next > 16 * 1024)
+ return -EIO;
mutex_lock(&entry->access);
buf = data->wbuffer;
if (!buf) {
@@ -366,7 +371,9 @@
struct snd_info_private_data *data = seq->private;
struct snd_info_entry *entry = data->entry;
- if (entry->c.text.read) {
+ if (!entry->c.text.read) {
+ return -EIO;
+ } else {
data->rbuffer->buffer = (char *)seq; /* XXX hack! */
entry->c.text.read(entry, data->rbuffer);
}
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 3a9b66c..0aca397 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1886,8 +1886,8 @@
snd_timer_interrupt(substream->timer, 1);
#endif
_end:
- snd_pcm_stream_unlock_irqrestore(substream, flags);
kill_fasync(&runtime->fasync, SIGIO, POLL_IN);
+ snd_pcm_stream_unlock_irqrestore(substream, flags);
}
EXPORT_SYMBOL(snd_pcm_period_elapsed);
diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c
index 7f57a14..a03cf68 100644
--- a/sound/pci/hda/hda_auto_parser.c
+++ b/sound/pci/hda/hda_auto_parser.c
@@ -884,6 +884,8 @@
}
EXPORT_SYMBOL_GPL(snd_hda_apply_fixup);
+#define IGNORE_SEQ_ASSOC (~(AC_DEFCFG_SEQUENCE | AC_DEFCFG_DEF_ASSOC))
+
static bool pin_config_match(struct hda_codec *codec,
const struct hda_pintbl *pins)
{
@@ -901,7 +903,7 @@
for (; t_pins->nid; t_pins++) {
if (t_pins->nid == nid) {
found = 1;
- if (t_pins->val == cfg)
+ if ((t_pins->val & IGNORE_SEQ_ASSOC) == (cfg & IGNORE_SEQ_ASSOC))
break;
else if ((cfg & 0xf0000000) == 0x40000000 && (t_pins->val & 0xf0000000) == 0x40000000)
break;
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 22dbfa5..5baf8b5 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -956,7 +956,7 @@
status = azx_readb(chip, RIRBSTS);
if (status & RIRB_INT_MASK) {
if (status & RIRB_INT_RESPONSE) {
- if (chip->driver_caps & AZX_DCAPS_RIRB_PRE_DELAY)
+ if (chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND)
udelay(80);
snd_hdac_bus_update_rirb(bus);
}
@@ -1055,11 +1055,6 @@
if (chip->driver_caps & AZX_DCAPS_CORBRP_SELF_CLEAR)
bus->core.corbrp_self_clear = true;
- if (chip->driver_caps & AZX_DCAPS_RIRB_DELAY) {
- dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
- bus->needs_damn_long_delay = 1;
- }
-
if (chip->driver_caps & AZX_DCAPS_4K_BDLE_BOUNDARY)
bus->core.align_bdle_4k = true;
diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h
index 7b635d6..b175395 100644
--- a/sound/pci/hda/hda_controller.h
+++ b/sound/pci/hda/hda_controller.h
@@ -32,8 +32,8 @@
#define AZX_DCAPS_NO_MSI (1 << 9) /* No MSI support */
#define AZX_DCAPS_SNOOP_MASK (3 << 10) /* snoop type mask */
#define AZX_DCAPS_SNOOP_OFF (1 << 12) /* snoop default off */
-#define AZX_DCAPS_RIRB_DELAY (1 << 13) /* Long delay in read loop */
-#define AZX_DCAPS_RIRB_PRE_DELAY (1 << 14) /* Put a delay before read */
+/* 13 unused */
+/* 14 unused */
#define AZX_DCAPS_CTX_WORKAROUND (1 << 15) /* X-Fi workaround */
#define AZX_DCAPS_POSFIX_LPIB (1 << 16) /* Use LPIB as default */
#define AZX_DCAPS_POSFIX_VIA (1 << 17) /* Use VIACOMBO as default */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index d467197..ad4a1e9 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -334,8 +334,7 @@
/* quirks for Nvidia */
#define AZX_DCAPS_PRESET_NVIDIA \
- (AZX_DCAPS_RIRB_DELAY | AZX_DCAPS_NO_MSI | /*AZX_DCAPS_ALIGN_BUFSIZE |*/ \
- AZX_DCAPS_NO_64BIT | AZX_DCAPS_CORBRP_SELF_CLEAR |\
+ (AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\
AZX_DCAPS_SNOOP_TYPE(NVIDIA))
#define AZX_DCAPS_PRESET_CTHDA \
@@ -1637,6 +1636,11 @@
return err;
}
+ if (chip->driver_type == AZX_DRIVER_NVIDIA) {
+ dev_dbg(chip->card->dev, "Enable delay in RIRB handling\n");
+ chip->bus.needs_damn_long_delay = 1;
+ }
+
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0) {
dev_err(card->dev, "Error creating device [card]!\n");
@@ -1720,6 +1724,10 @@
}
}
+ /* NVidia hardware normally only supports up to 40 bits of DMA */
+ if (chip->pci->vendor == PCI_VENDOR_ID_NVIDIA)
+ dma_bits = 40;
+
/* disable 64bit DMA address on some devices */
if (chip->driver_caps & AZX_DCAPS_NO_64BIT) {
dev_dbg(card->dev, "Disabling 64bit DMA\n");
@@ -2406,14 +2414,12 @@
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
- AZX_DCAPS_NO_64BIT |
- AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB },
+ AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
#else
/* this entry seems still valid -- i.e. without emu20kx chip */
{ PCI_DEVICE(0x1102, 0x0009),
.driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND |
- AZX_DCAPS_NO_64BIT |
- AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB },
+ AZX_DCAPS_NO_64BIT | AZX_DCAPS_POSFIX_LPIB },
#endif
/* CM8888 */
{ PCI_DEVICE(0x13f6, 0x5011),
diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index 58c0aad..17fd817 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -464,6 +464,8 @@
if (err < 0)
return err;
+ chip->bus.needs_damn_long_delay = 1;
+
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0) {
dev_err(card->dev, "Error creating device\n");
@@ -481,8 +483,7 @@
static int hda_tegra_probe(struct platform_device *pdev)
{
- const unsigned int driver_flags = AZX_DCAPS_RIRB_DELAY |
- AZX_DCAPS_CORBRP_SELF_CLEAR;
+ const unsigned int driver_flags = AZX_DCAPS_CORBRP_SELF_CLEAR;
struct snd_card *card;
struct azx *chip;
struct hda_tegra *hda;
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 9ceb2bc..c146d0d 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -780,6 +780,7 @@
static const struct snd_pci_quirk ca0132_quirks[] = {
SND_PCI_QUIRK(0x1028, 0x0685, "Alienware 15 2015", QUIRK_ALIENWARE),
SND_PCI_QUIRK(0x1028, 0x0688, "Alienware 17 2015", QUIRK_ALIENWARE),
+ SND_PCI_QUIRK(0x1028, 0x0708, "Alienware 15 R2 2016", QUIRK_ALIENWARE),
{}
};
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 36cd715..46f7b02 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -262,6 +262,7 @@
CXT_FIXUP_CAP_MIX_AMP_5047,
CXT_FIXUP_MUTE_LED_EAPD,
CXT_FIXUP_HP_SPECTRE,
+ CXT_FIXUP_HP_GATE_MIC,
};
/* for hda_fixup_thinkpad_acpi() */
@@ -633,6 +634,17 @@
(1 << AC_AMPCAP_MUTE_SHIFT));
}
+static void cxt_fixup_hp_gate_mic_jack(struct hda_codec *codec,
+ const struct hda_fixup *fix,
+ int action)
+{
+ /* the mic pin (0x19) doesn't give an unsolicited event;
+ * probe the mic pin together with the headphone pin (0x16)
+ */
+ if (action == HDA_FIXUP_ACT_PROBE)
+ snd_hda_jack_set_gating_jack(codec, 0x19, 0x16);
+}
+
/* ThinkPad X200 & co with cxt5051 */
static const struct hda_pintbl cxt_pincfg_lenovo_x200[] = {
{ 0x16, 0x042140ff }, /* HP (seq# overridden) */
@@ -774,6 +786,10 @@
{ }
}
},
+ [CXT_FIXUP_HP_GATE_MIC] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = cxt_fixup_hp_gate_mic_jack,
+ },
};
static const struct snd_pci_quirk cxt5045_fixups[] = {
@@ -824,6 +840,7 @@
SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC),
SND_PCI_QUIRK(0x1025, 0x054f, "Acer Aspire 4830T", CXT_FIXUP_ASPIRE_DMIC),
SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE),
+ SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC),
SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),
SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO),
SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410),
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index b1fa50a..3b26878 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5793,8 +5793,6 @@
#define ALC295_STANDARD_PINS \
{0x12, 0xb7a60130}, \
{0x14, 0x90170110}, \
- {0x17, 0x21014020}, \
- {0x18, 0x21a19030}, \
{0x21, 0x04211020}
#define ALC298_STANDARD_PINS \
@@ -5841,11 +5839,19 @@
{0x1b, 0x02011020},
{0x21, 0x0221101f}),
SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+ {0x14, 0x90170110},
+ {0x1b, 0x01011020},
+ {0x21, 0x0221101f}),
+ SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
{0x14, 0x90170130},
{0x1b, 0x01014020},
{0x21, 0x0221103f}),
SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
{0x14, 0x90170130},
+ {0x1b, 0x01011020},
+ {0x21, 0x0221103f}),
+ SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+ {0x14, 0x90170130},
{0x1b, 0x02011020},
{0x21, 0x0221103f}),
SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
@@ -5893,6 +5899,9 @@
{0x12, 0x90a60180},
{0x14, 0x90170120},
{0x21, 0x02211030}),
+ SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+ {0x1b, 0x01011020},
+ {0x21, 0x02211010}),
SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
{0x12, 0x90a60160},
{0x14, 0x90170120},
@@ -6021,7 +6030,13 @@
ALC292_STANDARD_PINS,
{0x13, 0x90a60140}),
SND_HDA_PIN_QUIRK(0x10ec0295, 0x1028, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE,
- ALC295_STANDARD_PINS),
+ ALC295_STANDARD_PINS,
+ {0x17, 0x21014020},
+ {0x18, 0x21a19030}),
+ SND_HDA_PIN_QUIRK(0x10ec0295, 0x1028, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE,
+ ALC295_STANDARD_PINS,
+ {0x17, 0x21014040},
+ {0x18, 0x21a19050}),
SND_HDA_PIN_QUIRK(0x10ec0298, 0x1028, "Dell", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE,
ALC298_STANDARD_PINS,
{0x17, 0x90170110}),
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index e07807d..3670086 100644
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -148,11 +148,11 @@
};
static const struct snd_soc_dapm_route cs4270_dapm_routes[] = {
- { "Capture", NULL, "AINA" },
- { "Capture", NULL, "AINB" },
+ { "Capture", NULL, "AINL" },
+ { "Capture", NULL, "AINR" },
- { "AOUTA", NULL, "Playback" },
- { "AOUTB", NULL, "Playback" },
+ { "AOUTL", NULL, "Playback" },
+ { "AOUTR", NULL, "Playback" },
};
/**
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 0487cfa..2b96b11 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -762,6 +762,9 @@
struct sst_data *drv = dev_get_drvdata(dev);
int i;
+ if (!drv->soc_card)
+ return 0;
+
/* suspend all pcms first */
snd_soc_suspend(drv->soc_card->dev);
snd_soc_poweroff(drv->soc_card->dev);
@@ -784,6 +787,9 @@
struct sst_data *drv = dev_get_drvdata(dev);
int i;
+ if (!drv->soc_card)
+ return;
+
/* restart SSPs */
for (i = 0; i < drv->soc_card->num_rtd; i++) {
struct snd_soc_dai *dai = drv->soc_card->rtd[i].cpu_dai;
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 1bb896d..1a4999f 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -575,11 +575,11 @@
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
if (!card)
- return NULL;
+ return ERR_PTR(-ENOMEM);
card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
if (!card->dai_link)
- return NULL;
+ return ERR_PTR(-ENOMEM);
card->dev = dev;
card->name = "sun4i-codec";
@@ -661,7 +661,8 @@
}
card = sun4i_codec_create_card(&pdev->dev);
- if (!card) {
+ if (IS_ERR(card)) {
+ ret = PTR_ERR(card);
dev_err(&pdev->dev, "Failed to create our card\n");
goto err_unregister_codec;
}
diff --git a/sound/usb/hiface/pcm.c b/sound/usb/hiface/pcm.c
index 2c44139..33db205 100644
--- a/sound/usb/hiface/pcm.c
+++ b/sound/usb/hiface/pcm.c
@@ -445,6 +445,8 @@
mutex_lock(&rt->stream_mutex);
+ hiface_pcm_stream_stop(rt);
+
sub->dma_off = 0;
sub->period_off = 0;
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 4f85757..499b03c 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -931,9 +931,10 @@
case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */
case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */
case USB_ID(0x046d, 0x0991):
+ case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */
/* Most audio usb devices lie about volume resolution.
* Most Logitech webcams have res = 384.
- * Proboly there is some logitech magic behind this number --fishor
+ * Probably there is some logitech magic behind this number --fishor
*/
if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
usb_audio_info(chip,
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index c60a776..8a59d47 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2907,6 +2907,23 @@
AU0828_DEVICE(0x2040, 0x7213, "Hauppauge", "HVR-950Q"),
AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
+/* Syntek STK1160 */
+{
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+ USB_DEVICE_ID_MATCH_INT_CLASS |
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+ .idVendor = 0x05e1,
+ .idProduct = 0x0408,
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
+ .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+ .vendor_name = "Syntek",
+ .product_name = "STK1160",
+ .ifnum = QUIRK_ANY_INTERFACE,
+ .type = QUIRK_AUDIO_ALIGN_TRANSFER
+ }
+},
+
/* Digidesign Mbox */
{
/* Thanks to Clemens Ladisch <clemens@ladisch.de> */
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 0d19d54..929a32b 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -420,7 +420,7 @@
$(call QUIET_CLEAN, libtraceevent)
$(Q)$(MAKE) -C $(TRACE_EVENT_DIR) O=$(OUTPUT) clean >/dev/null
-install-traceevent-plugins: $(LIBTRACEEVENT)
+install-traceevent-plugins: libtraceevent_plugins
$(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) install_plugins
$(LIBAPI): fixdep FORCE