[S390] etr/stp: fix possible deadlock

[linux-2.6-omap-h63xx.git] / arch / s390 / kernel / time.c

diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index d649600df5b9a887c17f6770ad878e8820c51d92..fc468cae4460ace449d92250f777f70490a25380 100644 (file)
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -399,8 +399,10 @@ static struct workqueue_struct *time_sync_wq;
 
 static void __init time_init_wq(void)
 {
-       if (!time_sync_wq)
-               time_sync_wq = create_singlethread_workqueue("timesync");
+       if (time_sync_wq)
+               return;
+       time_sync_wq = create_singlethread_workqueue("timesync");
+       stop_machine_create();
 }
 
 /*