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author | Ingo Molnar <mingo@elte.hu> | 2008-11-08 20:27:00 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-11-08 20:27:00 +0100 |
commit | cb9e35dce94a1b9c59d46224e8a94377d673e204 (patch) | |
tree | e3772e7d6ed11d1c1c648799e78619f782e5e090 /arch/x86/include | |
parent | 895e031707954a9ca26ed4f5f794575313854ed1 (diff) | |
download | linux-cb9e35dce94a1b9c59d46224e8a94377d673e204.tar.gz linux-cb9e35dce94a1b9c59d46224e8a94377d673e204.tar.bz2 linux-cb9e35dce94a1b9c59d46224e8a94377d673e204.zip |
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')
-rw-r--r-- | arch/x86/include/asm/tsc.h | 6 |
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); |