diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 2b02c9fda790..1cd5eef1fcdd 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1562,8 +1562,10 @@ static void perf_remove_from_context(struct perf_event *event, bool detach_group if (!task) { /* - * Per cpu events are removed via an smp call and - * the removal is always successful. + * Per cpu events are removed via an smp call. The removal can + * fail if the CPU is currently offline, but in that case we + * already called __perf_remove_from_context from + * perf_event_exit_cpu. */ cpu_function_call(event->cpu, __perf_remove_from_context, &re); return; @@ -8117,7 +8119,7 @@ static void perf_pmu_rotate_stop(struct pmu *pmu) static void __perf_event_exit_context(void *__info) { - struct remove_event re = { .detach_group = false }; + struct remove_event re = { .detach_group = true }; struct perf_event_context *ctx = __info; perf_pmu_rotate_stop(ctx->pmu); |