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authorIngo Molnar <mingo@elte.hu>2010-09-15 10:27:31 +0200
committerIngo Molnar <mingo@elte.hu>2010-09-15 10:27:31 +0200
commit3aabae7d9dfaed60effe93662f02c19bafc18537 (patch)
treeaf94cdd69add07601d9f3f5988dfc1dc255e3886 /arch/alpha/kernel/perf_event.c
parent79e406d7b00ab2b261ae32a59f266fd3b7af6f29 (diff)
parent57c072c7113f54f9512624d6c665db6184448782 (diff)
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
Diffstat (limited to 'arch/alpha/kernel/perf_event.c')
-rw-r--r--arch/alpha/kernel/perf_event.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c
index 9bb8c024080c..a25fe9eb4739 100644
--- a/arch/alpha/kernel/perf_event.c
+++ b/arch/alpha/kernel/perf_event.c
@@ -241,20 +241,20 @@ static inline unsigned long alpha_read_pmc(int idx)
static int alpha_perf_event_set_period(struct perf_event *event,
struct hw_perf_event *hwc, int idx)
{
- long left = atomic64_read(&hwc->period_left);
+ long left = local64_read(&hwc->period_left);
long period = hwc->sample_period;
int ret = 0;
if (unlikely(left <= -period)) {
left = period;
- atomic64_set(&hwc->period_left, left);
+ local64_set(&hwc->period_left, left);
hwc->last_period = period;
ret = 1;
}
if (unlikely(left <= 0)) {
left += period;
- atomic64_set(&hwc->period_left, left);
+ local64_set(&hwc->period_left, left);
hwc->last_period = period;
ret = 1;
}
@@ -269,7 +269,7 @@ static int alpha_perf_event_set_period(struct perf_event *event,
if (left > (long)alpha_pmu->pmc_max_period[idx])
left = alpha_pmu->pmc_max_period[idx];
- atomic64_set(&hwc->prev_count, (unsigned long)(-left));
+ local64_set(&hwc->prev_count, (unsigned long)(-left));
alpha_write_pmc(idx, (unsigned long)(-left));
@@ -300,10 +300,10 @@ static unsigned long alpha_perf_event_update(struct perf_event *event,
long delta;
again:
- prev_raw_count = atomic64_read(&hwc->prev_count);
+ prev_raw_count = local64_read(&hwc->prev_count);
new_raw_count = alpha_read_pmc(idx);
- if (atomic64_cmpxchg(&hwc->prev_count, prev_raw_count,
+ if (local64_cmpxchg(&hwc->prev_count, prev_raw_count,
new_raw_count) != prev_raw_count)
goto again;
@@ -316,8 +316,8 @@ again:
delta += alpha_pmu->pmc_max_period[idx] + 1;
}
- atomic64_add(delta, &event->count);
- atomic64_sub(delta, &hwc->period_left);
+ local64_add(delta, &event->count);
+ local64_sub(delta, &hwc->period_left);
return new_raw_count;
}
@@ -670,7 +670,7 @@ static int __hw_perf_event_init(struct perf_event *event)
if (!hwc->sample_period) {
hwc->sample_period = alpha_pmu->pmc_max_period[0];
hwc->last_period = hwc->sample_period;
- atomic64_set(&hwc->period_left, hwc->sample_period);
+ local64_set(&hwc->period_left, hwc->sample_period);
}
return 0;