| #ifndef __BACKPORT_LINUX_LOCKDEP_H |
| #define __BACKPORT_LINUX_LOCKDEP_H |
| #include_next <linux/lockdep.h> |
| #include <linux/version.h> |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38) |
| /* Backport of: |
| * |
| * commit e159489baa717dbae70f9903770a6a4990865887 |
| * Author: Tejun Heo <tj@kernel.org> |
| * Date: Sun Jan 9 23:32:15 2011 +0100 |
| * |
| * workqueue: relax lockdep annotation on flush_work() |
| */ |
| #ifdef CONFIG_DEBUG_LOCK_ALLOC |
| # ifdef CONFIG_PROVE_LOCKING |
| # define lock_map_acquire_read(l) lock_acquire(l, 0, 0, 2, 2, NULL, _THIS_IP_) |
| # else |
| # define lock_map_acquire_read(l) lock_acquire(l, 0, 0, 2, 1, NULL, _THIS_IP_) |
| # endif |
| #else |
| # define lock_map_acquire_read(l) do { } while (0) |
| #endif |
| |
| #endif /* < 2.6.38 */ |
| |
| #ifndef lockdep_assert_held |
| #define lockdep_assert_held(l) do { } while (0) |
| #endif |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) |
| /* Backport of: |
| * |
| * commit 3295f0ef9ff048a4619ede597ad9ec9cab725654 |
| * Author: Ingo Molnar <mingo@elte.hu> |
| * Date: Mon Aug 11 10:30:30 2008 +0200 |
| * |
| * lockdep: rename map_[acquire|release]() => lock_map_[acquire|release]() |
| */ |
| #ifdef CONFIG_DEBUG_LOCK_ALLOC |
| # ifdef CONFIG_PROVE_LOCKING |
| # define lock_map_acquire(l) lock_acquire(l, 0, 0, 0, 2, NULL, _THIS_IP_) |
| # else |
| # define lock_map_acquire(l) lock_acquire(l, 0, 0, 0, 1, NULL, _THIS_IP_) |
| # endif |
| # define lock_map_release(l) lock_release(l, 1, _THIS_IP_) |
| #else |
| # define lock_map_acquire(l) do { } while (0) |
| # define lock_map_release(l) do { } while (0) |
| #endif |
| |
| #endif /* < 2.6.27 */ |
| |
| #endif /* __BACKPORT_LINUX_LOCKDEP_H */ |