diff options
| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-30 13:31:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:40 +0100 |
| commit | ae2e15eb3b6c2a011bee615470bf52d2beb99a4b (patch) | |
| tree | b2e323eef35a6cab5f16284378c0c96d4bc159b7 /include/asm-x86/processor_32.h | |
| parent | 1a53905adddf6cc6d795bd7e988c60a19773f72e (diff) | |
x86: unify prefetch operations
This patch moves the prefetch[w]? functions to processor.h
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/processor_32.h')
| -rw-r--r-- | include/asm-x86/processor_32.h | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/include/asm-x86/processor_32.h b/include/asm-x86/processor_32.h index 84a4c5e47d5..61a9cae2364 100644 --- a/include/asm-x86/processor_32.h +++ b/include/asm-x86/processor_32.h @@ -228,29 +228,4 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); #define ASM_NOP_MAX 8 -/* Prefetch instructions for Pentium III and AMD Athlon */ -/* It's not worth to care about 3dnow! prefetches for the K6 - because they are microcoded there and very slow. - However we don't do prefetches for pre XP Athlons currently - That should be fixed. */ -static inline void prefetch(const void *x) -{ - alternative_input(ASM_NOP4, - "prefetchnta (%1)", - X86_FEATURE_XMM, - "r" (x)); -} - -#define ARCH_HAS_PREFETCH - -/* 3dnow! prefetch to get an exclusive cache line. Useful for - spinlocks to avoid one state transition in the cache coherency protocol. */ -static inline void prefetchw(const void *x) -{ - alternative_input(ASM_NOP4, - "prefetchw (%1)", - X86_FEATURE_3DNOW, - "r" (x)); -} - #endif /* __ASM_I386_PROCESSOR_H */ |