diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c
index 4c05728..3cee0d8 100644
--- a/kernel/rcu/rcuperf.c
+++ b/kernel/rcu/rcuperf.c
@@ -423,8 +423,10 @@
 					b_rcu_perf_writer_finished =
 						cur_ops->completed();
 				}
-				smp_mb(); /* Assign before wake. */
-				wake_up(&shutdown_wq);
+				if (shutdown) {
+					smp_mb(); /* Assign before wake. */
+					wake_up(&shutdown_wq);
+				}
 			}
 		}
 		if (done && !alldone &&