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| author | Andi Kleen <ak@suse.de> | 2008-01-30 13:32:39 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:32:39 +0100 |
| commit | 6d63de8dbcda98511206897562ecfcdacf18f523 (patch) | |
| tree | f845f109636c3cc7eddad455b89ffb986a1188d0 /arch/x86/kernel/tsc_sync.c | |
| parent | f06e4ec1c15691b0cfd2397ae32214fa36c90d71 (diff) | |
| download | linux-6d63de8dbcda98511206897562ecfcdacf18f523.tar.gz linux-6d63de8dbcda98511206897562ecfcdacf18f523.tar.bz2 linux-6d63de8dbcda98511206897562ecfcdacf18f523.zip | |
x86: remove get_cycles_sync
rdtsc is now speculation-safe, so no need for the sync variants of
the APIs.
[ mingo@elte.hu: removed the nsec_barrier() complication. ]
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/tsc_sync.c')
| -rw-r--r-- | arch/x86/kernel/tsc_sync.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index 05d8f25de6ae..ace340524c01 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -46,7 +46,7 @@ static __cpuinit void check_tsc_warp(void) cycles_t start, now, prev, end; int i; - start = get_cycles_sync(); + start = get_cycles(); /* * The measurement runs for 20 msecs: */ @@ -61,7 +61,7 @@ static __cpuinit void check_tsc_warp(void) */ __raw_spin_lock(&sync_lock); prev = last_tsc; - now = get_cycles_sync(); + now = get_cycles(); last_tsc = now; __raw_spin_unlock(&sync_lock); |