/*
* Slow path to release a rt-mutex:
*/
static void __sched
rt_mutex_slowunlock(struct rt_mutex *lock)
{
raw_spin_lock(&lock->wait_lock);
debug_rt_mutex_unlock(lock);
rt_mutex_deadlock_account_unlock(current);
if (!rt_mutex_has_waiters(lock)) {
lock->owner = NULL;
raw_spin_unlock(&lock->wait_lock);
return;
}
wakeup_next_waiter(lock);
raw_spin_unlock(&lock->wait_lock);
/* Undo pi boosting if necessary: */
rt_mutex_adjust_prio(current);
}
/*
* Slow path to release a rt_mutex spin_lock style
*/
static void fastcall noinline __sched
rt_spin_lock_slowunlock(struct rt_mutex *lock)
{
unsigned long flags;
spin_lock_irqsave(&lock->wait_lock, flags);
debug_rt_mutex_unlock(lock);
rt_mutex_deadlock_account_unlock(current);
if (!rt_mutex_has_waiters(lock)) {
lock->owner = NULL;
spin_unlock_irqrestore(&lock->wait_lock, flags);
return;
}
wakeup_next_waiter(lock, 1);
spin_unlock_irqrestore(&lock->wait_lock, flags);
/* Undo pi boosting.when necessary */
rt_mutex_adjust_prio(current);
}