diff --git a/kernel/kthread.c b/kernel/kthread.c
index 760e86df8c20..c56c6f8ec607 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -398,6 +398,8 @@ int kthread_park(struct task_struct *k)
 			if (k != current) {
 				wake_up_process(k);
 				wait_for_completion(&kthread->parked);
+				while (k->state != TASK_PARKED)
+					cond_resched();
 			}
 		}
 		ret = 0;