diff options
Diffstat (limited to 'arch/x86/lib')
| -rw-r--r-- | arch/x86/lib/delay.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c index f24bc59..4453d52 100644 --- a/arch/x86/lib/delay.c +++ b/arch/x86/lib/delay.c @@ -54,11 +54,9 @@ static void delay_tsc(unsigned long __loops) preempt_disable(); cpu = smp_processor_id(); - rdtsc_barrier(); - bclock = rdtsc(); + bclock = rdtsc_ordered(); for (;;) { - rdtsc_barrier(); - now = rdtsc(); + now = rdtsc_ordered(); if ((now - bclock) >= loops) break; @@ -79,8 +77,7 @@ static void delay_tsc(unsigned long __loops) if (unlikely(cpu != smp_processor_id())) { loops -= (now - bclock); cpu = smp_processor_id(); - rdtsc_barrier(); - bclock = rdtsc(); + bclock = rdtsc_ordered(); } } preempt_enable(); |
