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authorAndi Kleen <ak@suse.de>2008-01-30 13:32:39 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:32:39 +0100
commit6d63de8dbcda98511206897562ecfcdacf18f523 (patch)
treef845f109636c3cc7eddad455b89ffb986a1188d0 /arch/x86/kernel/tsc_sync.c
parentx86: read_tsc sync (diff)
downloadlinux-6d63de8dbcda98511206897562ecfcdacf18f523.tar.xz
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.c4
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);