summaryrefslogtreecommitdiff
path: root/arch/arm/kernel/perf_event.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/kernel/perf_event.c')
-rw-r--r--arch/arm/kernel/perf_event.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index de12536d687f..417c392ddf1c 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -164,20 +164,20 @@ armpmu_event_set_period(struct perf_event *event,
struct hw_perf_event *hwc,
int idx)
{
- s64 left = atomic64_read(&hwc->period_left);
+ s64 left = local64_read(&hwc->period_left);
s64 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;
}
@@ -185,7 +185,7 @@ armpmu_event_set_period(struct perf_event *event,
if (left > (s64)armpmu->max_period)
left = armpmu->max_period;
- atomic64_set(&hwc->prev_count, (u64)-left);
+ local64_set(&hwc->prev_count, (u64)-left);
armpmu->write_counter(idx, (u64)(-left) & 0xffffffff);
@@ -204,18 +204,18 @@ armpmu_event_update(struct perf_event *event,
u64 delta;
again:
- prev_raw_count = atomic64_read(&hwc->prev_count);
+ prev_raw_count = local64_read(&hwc->prev_count);
new_raw_count = armpmu->read_counter(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;
delta = (new_raw_count << shift) - (prev_raw_count << shift);
delta >>= shift;
- 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;
}
@@ -478,7 +478,7 @@ __hw_perf_event_init(struct perf_event *event)
if (!hwc->sample_period) {
hwc->sample_period = armpmu->max_period;
hwc->last_period = hwc->sample_period;
- atomic64_set(&hwc->period_left, hwc->sample_period);
+ local64_set(&hwc->period_left, hwc->sample_period);
}
err = 0;