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authorIngo Molnar <mingo@kernel.org>2020-03-24 10:10:09 +0100
committerIngo Molnar <mingo@kernel.org>2020-03-24 10:10:09 +0100
commitbaf5fe761846815164753d1bd0638fd3696db8fd (patch)
tree7550de64e240af78bbfb9b855b6685cda3b1f17f /kernel/locking/rtmutex.c
parent16fbf79b0f83bc752cee8589279f1ebfe57b3b6e (diff)
parentaa93ec620be378cce1454286122915533ff8fa48 (diff)
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU changes from Paul E. McKenney: - Make kfree_rcu() use kfree_bulk() for added performance - RCU updates - Callback-overload handling updates - Tasks-RCU KCSAN and sparse updates - Locking torture test and RCU torture test updates - Documentation updates - Miscellaneous fixes Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking/rtmutex.c')
-rw-r--r--kernel/locking/rtmutex.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 851bbb10819d..c9f090d64f00 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -57,7 +57,7 @@ rt_mutex_set_owner(struct rt_mutex *lock, struct task_struct *owner)
if (rt_mutex_has_waiters(lock))
val |= RT_MUTEX_HAS_WAITERS;
- lock->owner = (struct task_struct *)val;
+ WRITE_ONCE(lock->owner, (struct task_struct *)val);
}
static inline void clear_rt_mutex_waiters(struct rt_mutex *lock)