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authorLinus Torvalds <torvalds@linux-foundation.org>2008-11-08 13:24:28 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-08 13:24:28 -0500
commita622cf69b806bbb1887913c04e01d0c25b892876 (patch)
tree08c2da8eea9ab32957735672514c603e96a402be /arch/x86/include/asm/msr.h
parentaf3e48ffce029a191f1bc4b8550e8571303233d5 (diff)
parent7cbaef9c83e58bbd4bdd534b09052b6c5ec457d5 (diff)
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: optimize sched_clock() a bit sched: improve sched_clock() performance
Diffstat (limited to 'arch/x86/include/asm/msr.h')
-rw-r--r--arch/x86/include/asm/msr.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 46be2fa7ac26..c2a812ebde89 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -108,9 +108,7 @@ static __always_inline unsigned long long __native_read_tsc(void)
108{ 108{
109 DECLARE_ARGS(val, low, high); 109 DECLARE_ARGS(val, low, high);
110 110
111 rdtsc_barrier();
112 asm volatile("rdtsc" : EAX_EDX_RET(val, low, high)); 111 asm volatile("rdtsc" : EAX_EDX_RET(val, low, high));
113 rdtsc_barrier();
114 112
115 return EAX_EDX_VAL(val, low, high); 113 return EAX_EDX_VAL(val, low, high);
116} 114}