diff --git a/kernel/events/core.c b/kernel/events/core.c
index 318ff7b021b4f1fb7c8e1ef40d49bf2c59dcf86d..10ed2cd434dc0be8226932480a637642c0d3053e 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3200,16 +3200,36 @@ static int perf_event_modify_breakpoint(struct perf_event *bp,
 static int perf_event_modify_attr(struct perf_event *event,
 				  struct perf_event_attr *attr)
 {
+	int (*func)(struct perf_event *, struct perf_event_attr *);
+	struct perf_event *child;
+	int err;
+
 	if (event->attr.type != attr->type)
 		return -EINVAL;
 
 	switch (event->attr.type) {
 	case PERF_TYPE_BREAKPOINT:
-		return perf_event_modify_breakpoint(event, attr);
+		func = perf_event_modify_breakpoint;
+		break;
 	default:
 		/* Place holder for future additions. */
 		return -EOPNOTSUPP;
 	}
+
+	WARN_ON_ONCE(event->ctx->parent_ctx);
+
+	mutex_lock(&event->child_mutex);
+	err = func(event, attr);
+	if (err)
+		goto out;
+	list_for_each_entry(child, &event->child_list, child_list) {
+		err = func(child, attr);
+		if (err)
+			goto out;
+	}
+out:
+	mutex_unlock(&event->child_mutex);
+	return err;
 }
 
 static void ctx_sched_out(struct perf_event_context *ctx,