| /* |
| * Copyright (C) 1994 Linus Torvalds |
| * Copyright (C) 2000 SuSE |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <asm/alternative.h> |
| #include <asm/bugs.h> |
| #include <asm/processor.h> |
| #include <asm/mtrr.h> |
| #include <asm/cacheflush.h> |
| |
| void __init check_bugs(void) |
| { |
| identify_boot_cpu(); |
| #if !defined(CONFIG_SMP) |
| printk("CPU: "); |
| print_cpu_info(&boot_cpu_data); |
| #endif |
| alternative_instructions(); |
| |
| /* |
| * Make sure the first 2MB area is not mapped by huge pages |
| * There are typically fixed size MTRRs in there and overlapping |
| * MTRRs into large pages causes slow downs. |
| * |
| * Right now we don't do that with gbpages because there seems |
| * very little benefit for that case. |
| */ |
| if (!direct_gbpages) |
| set_memory_4k((unsigned long)__va(0), 1); |
| } |
