diff --git a/[refs] b/[refs]
index 9319c58ac7a1..7fe05c0d7573 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2e2af50b1fab3c40636839a7f439c167ae559533
+refs/heads/master: 5e942bb33371254a474653123cd9e13a4c89ee44
diff --git a/trunk/kernel/perf_event.c b/trunk/kernel/perf_event.c
index fb851ec34461..8be2574b89b6 100644
--- a/trunk/kernel/perf_event.c
+++ b/trunk/kernel/perf_event.c
@@ -4983,6 +4983,7 @@ void perf_event_exit_task(struct task_struct *child)
 	 * the events from it.
 	 */
 	unclone_ctx(child_ctx);
+	update_context_time(child_ctx);
 	spin_unlock_irqrestore(&child_ctx->lock, flags);
 
 	/*