diff options
Diffstat (limited to 'kernel/locking/rtmutex_api.c')
| -rw-r--r-- | kernel/locking/rtmutex_api.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/kernel/locking/rtmutex_api.c b/kernel/locking/rtmutex_api.c index c5136f4998bb..56403dc5c2fc 100644 --- a/kernel/locking/rtmutex_api.c +++ b/kernel/locking/rtmutex_api.c @@ -137,10 +137,10 @@ int __sched __rt_mutex_futex_trylock(struct rt_mutex_base *lock) * do not use the fast-path, can be simple and will not need to retry. * * @lock: The rt_mutex to be unlocked - * @wake_q: The wake queue head from which to get the next lock waiter + * @wqh: The wake queue head from which to get the next lock waiter */ bool __sched __rt_mutex_futex_unlock(struct rt_mutex_base *lock, - struct wake_q_head *wake_q) + struct rt_wake_q_head *wqh) { lockdep_assert_held(&lock->wait_lock); @@ -157,23 +157,23 @@ bool __sched __rt_mutex_futex_unlock(struct rt_mutex_base *lock, * avoid inversion prior to the wakeup. preempt_disable() * therein pairs with rt_mutex_postunlock(). */ - mark_wakeup_next_waiter(wake_q, lock); + mark_wakeup_next_waiter(wqh, lock); return true; /* call postunlock() */ } void __sched rt_mutex_futex_unlock(struct rt_mutex_base *lock) { - DEFINE_WAKE_Q(wake_q); + DEFINE_RT_WAKE_Q(wqh); unsigned long flags; bool postunlock; raw_spin_lock_irqsave(&lock->wait_lock, flags); - postunlock = __rt_mutex_futex_unlock(lock, &wake_q); + postunlock = __rt_mutex_futex_unlock(lock, &wqh); raw_spin_unlock_irqrestore(&lock->wait_lock, flags); if (postunlock) - rt_mutex_postunlock(&wake_q); + rt_mutex_postunlock(&wqh); } /** @@ -441,12 +441,9 @@ void __sched rt_mutex_adjust_pi(struct task_struct *task) /* * Performs the wakeup of the top-waiter and re-enables preemption. */ -void __sched rt_mutex_postunlock(struct wake_q_head *wake_q) +void __sched rt_mutex_postunlock(struct rt_wake_q_head *wqh) { - wake_up_q(wake_q); - - /* Pairs with preempt_disable() in mark_wakeup_next_waiter() */ - preempt_enable(); + rt_mutex_wake_up_q(wqh); } #ifdef CONFIG_DEBUG_RT_MUTEXES |