diff options
Diffstat (limited to 'kernel/events/core.c')
| -rw-r--r-- | kernel/events/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 00389d5f9241..3e90e454b995 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1468,6 +1468,8 @@ static void __update_context_time(struct perf_event_context *ctx, bool adv) { u64 now = perf_clock(); + lockdep_assert_held(&ctx->lock); + if (adv) ctx->time += now - ctx->timestamp; ctx->timestamp = now; |