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[PATCH] i386: Use CLFLUSH instead of WBINVD in change_page_attr

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CLFLUSH is a lot faster than WBINVD so try to use that.

Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Andi Kleen
2006-12-07 02:14:05 +01:00
committed by Andi Kleen
parent 770d132f03
commit 3760dd6efa
2 changed files with 18 additions and 7 deletions
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include/asm-i386/cpufeature.h
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@@ -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 */