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authorAndi Kleen <ak@suse.de>2006-12-07 02:14:05 +0100
committerAndi Kleen <andi@basil.nowhere.org>2006-12-07 02:14:05 +0100
commit3760dd6efa75c98e223643da2eb7040406433053 (patch)
tree2af24364ffedbf2c21c975c028d7fee80da28335 /include/asm-i386/cpufeature.h
parent770d132f03ac15b12919f1bac481f4beda13e094 (diff)
[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/cpufeature.h')
-rw-r--r--include/asm-i386/cpufeature.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-i386/cpufeature.h b/include/asm-i386/cpufeature.h
index 231672558c1..4c83e059228 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 */