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authorIngo Molnar <mingo@kernel.org>2018-03-12 12:14:57 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-12 12:14:57 +0100
commit9884afa2fdce71cd35bb79303f9050f0d76e3d03 (patch)
treee4bd1187eee271fd93b8a99c5a951afaa53c4d80 /kernel/locking
parentlocking/xchg/alpha: Remove superfluous memory barriers from the _local() vari... (diff)
parentLinux 4.16-rc5 (diff)
downloadlinux-9884afa2fdce71cd35bb79303f9050f0d76e3d03.tar.xz
linux-9884afa2fdce71cd35bb79303f9050f0d76e3d03.zip
Merge tag 'v4.16-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking')
-rw-r--r--kernel/locking/rtmutex.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 65cc0cb984e6..940633c63254 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1616,11 +1616,12 @@ bool __sched __rt_mutex_futex_unlock(struct rt_mutex *lock,
void __sched rt_mutex_futex_unlock(struct rt_mutex *lock)
{
DEFINE_WAKE_Q(wake_q);
+ unsigned long flags;
bool postunlock;
- raw_spin_lock_irq(&lock->wait_lock);
+ raw_spin_lock_irqsave(&lock->wait_lock, flags);
postunlock = __rt_mutex_futex_unlock(lock, &wake_q);
- raw_spin_unlock_irq(&lock->wait_lock);
+ raw_spin_unlock_irqrestore(&lock->wait_lock, flags);
if (postunlock)
rt_mutex_postunlock(&wake_q);