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| author | Andi Kleen <ak@suse.de> | 2006-12-07 02:14:05 +0100 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-12-07 02:14:05 +0100 |
| commit | 3760dd6efa75c98e223643da2eb7040406433053 (patch) | |
| tree | 2af24364ffedbf2c21c975c028d7fee80da28335 /include/asm-i386 | |
| parent | [PATCH] i386: Retrieve CLFLUSH size from CPUID (diff) | |
| download | linux-3760dd6efa75c98e223643da2eb7040406433053.tar.xz linux-3760dd6efa75c98e223643da2eb7040406433053.zip | |
[PATCH] i386: Use CLFLUSH instead of WBINVD in change_page_attr
CLFLUSH is a lot faster than WBINVD so try to use that.
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'include/asm-i386')
| -rw-r--r-- | include/asm-i386/cpufeature.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-i386/cpufeature.h b/include/asm-i386/cpufeature.h index 231672558c1f..4c83e059228f 100644 --- a/include/asm-i386/cpufeature.h +++ b/include/asm-i386/cpufeature.h @@ -137,6 +137,7 @@ #define cpu_has_pmm_enabled boot_cpu_has(X86_FEATURE_PMM_EN) #define cpu_has_ds boot_cpu_has(X86_FEATURE_DS) #define cpu_has_pebs boot_cpu_has(X86_FEATURE_PEBS) +#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLSH) #endif /* __ASM_I386_CPUFEATURE_H */ |