perf: Reduce perf_disable() usage

[mv-sheeva.git] / arch / arm / kernel / perf_event.c

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index f62f9db35db3d85da24c78632573e91bd0d41888..afc92c580d18a265f0af31a965c7c9e01c16b409 100644 (file)
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -277,6 +277,8 @@ armpmu_enable(struct perf_event *event)
        int idx;
        int err = 0;
 
+       perf_disable();
+
        /* If we don't have a space for the counter then finish early. */
        idx = armpmu->get_event_idx(cpuc, hwc);
        if (idx < 0) {
@@ -303,6 +305,7 @@ armpmu_enable(struct perf_event *event)
        perf_event_update_userpage(event);
 
 out:
+       perf_enable();
        return err;
 }