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

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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 <dsahern@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1424281543-67335-1-git-send-email-dsahern@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
David Ahern 2015-02-18 10:45:43 -07:00 committed by Ingo Molnar
parent 936c663aed
commit 9332d250b4
1 changed files with 0 additions and 2 deletions
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arch/x86/kernel/cpu/perf_event.c
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@ -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;
}