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authorIngo Molnar <mingo@kernel.org>2017-08-21 09:45:19 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-21 09:45:19 +0200
commit94edf6f3c20c9c8ee301bde04150a91bab4bf32c (patch)
tree4a2af658258cf42fde24c1224e44c3e6a18c2792 /ipc
parentd5da6457bfadf64ff78f1816ae8329dbbba19513 (diff)
parent656e7c0c0a2e8d899f87fd7f081ea7a711146604 (diff)
downloadlinux-94edf6f3c20c9c8ee301bde04150a91bab4bf32c.tar.bz2
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU updates from Paul E. McKenney: - Removal of spin_unlock_wait() - SRCU updates - Torture-test updates - Documentation updates - Miscellaneous fixes - CPU-hotplug fixes - Miscellaneous non-RCU fixes Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'ipc')
-rw-r--r--ipc/sem.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ipc/sem.c b/ipc/sem.c
index 38371e93bfa5..c6c50370504c 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -2091,7 +2091,8 @@ void exit_sem(struct task_struct *tsk)
* possibility where we exit while freeary() didn't
* finish unlocking sem_undo_list.
*/
- spin_unlock_wait(&ulp->lock);
+ spin_lock(&ulp->lock);
+ spin_unlock(&ulp->lock);
rcu_read_unlock();
break;
}