diff options
Diffstat (limited to 'kernel/perf_counter.c')
-rw-r--r-- | kernel/perf_counter.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index db02eb16c777..473ed2cafbfc 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c | |||
@@ -2716,7 +2716,8 @@ static int cpu_clock_perf_counter_enable(struct perf_counter *counter) | |||
2716 | 2716 | ||
2717 | static void cpu_clock_perf_counter_disable(struct perf_counter *counter) | 2717 | static void cpu_clock_perf_counter_disable(struct perf_counter *counter) |
2718 | { | 2718 | { |
2719 | hrtimer_cancel(&counter->hw.hrtimer); | 2719 | if (counter->hw.irq_period) |
2720 | hrtimer_cancel(&counter->hw.hrtimer); | ||
2720 | cpu_clock_perf_counter_update(counter); | 2721 | cpu_clock_perf_counter_update(counter); |
2721 | } | 2722 | } |
2722 | 2723 | ||
@@ -2767,7 +2768,8 @@ static int task_clock_perf_counter_enable(struct perf_counter *counter) | |||
2767 | 2768 | ||
2768 | static void task_clock_perf_counter_disable(struct perf_counter *counter) | 2769 | static void task_clock_perf_counter_disable(struct perf_counter *counter) |
2769 | { | 2770 | { |
2770 | hrtimer_cancel(&counter->hw.hrtimer); | 2771 | if (counter->hw.irq_period) |
2772 | hrtimer_cancel(&counter->hw.hrtimer); | ||
2771 | task_clock_perf_counter_update(counter, counter->ctx->time); | 2773 | task_clock_perf_counter_update(counter, counter->ctx->time); |
2772 | 2774 | ||
2773 | } | 2775 | } |