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authorIngo Molnar <mingo@elte.hu>2008-11-08 22:27:00 +0300
committerIngo Molnar <mingo@elte.hu>2008-11-08 22:27:00 +0300
commitcb9e35dce94a1b9c59d46224e8a94377d673e204 (patch)
treee3772e7d6ed11d1c1c648799e78619f782e5e090 /arch/x86/include/asm/tsc.h
parent895e031707954a9ca26ed4f5f794575313854ed1 (diff)
downloadlinux-cb9e35dce94a1b9c59d46224e8a94377d673e204.tar.xz
x86: clean up rdtsc_barrier() use
Impact: cleanup Move rdtsc_barrier() use to vsyscall_64.c where it's relied on, and point out its role in the context of its use. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/tsc.h')
-rw-r--r--arch/x86/include/asm/tsc.h6
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index 9cd83a8e40d5..700aeb8d2098 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -44,11 +44,7 @@ static __always_inline cycles_t vget_cycles(void)
if (!cpu_has_tsc)
return 0;
#endif
- rdtsc_barrier();
- cycles = (cycles_t)__native_read_tsc();
- rdtsc_barrier();
-
- return cycles;
+ return (cycles_t)__native_read_tsc();
}
extern void tsc_init(void);