perf/x86: Remove redundant calls to perf_pmu_{dis|en}able()

perf_pmu_disable() is called before pmu->add() and perf_pmu_enable() is called afterwards. No need to call these inside of x86_pmu_add() as well. Signed-off-by: David Ahern <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
vieko · Mar 27, 2015 · 9332d25 · 9332d25
1 parent 936c663
commit 9332d25
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
@@ -1044,7 +1044,6 @@ static int x86_pmu_add(struct perf_event *event, int flags)
 
 	hwc = &event->hw;
 
-	perf_pmu_disable(event->pmu);
 	n0 = cpuc->n_events;
 	ret = n = collect_events(cpuc, event, false);
 	if (ret < 0)
@@ -1082,7 +1081,6 @@ static int x86_pmu_add(struct perf_event *event, int flags)
 
 	ret = 0;
 out:
-	perf_pmu_enable(event->pmu);
 	return ret;
 }