diff options
Diffstat (limited to 'kernel/locking/rwbase_rt.c')
| -rw-r--r-- | kernel/locking/rwbase_rt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/locking/rwbase_rt.c b/kernel/locking/rwbase_rt.c index 4ba15088e640..6b143fb294f6 100644 --- a/kernel/locking/rwbase_rt.c +++ b/kernel/locking/rwbase_rt.c @@ -141,6 +141,7 @@ static void __sched __rwbase_read_unlock(struct rwbase_rt *rwb, { struct rt_mutex_base *rtm = &rwb->rtmutex; struct task_struct *owner; + DEFINE_RT_WAKE_Q(wqh); raw_spin_lock_irq(&rtm->wait_lock); /* @@ -151,9 +152,12 @@ static void __sched __rwbase_read_unlock(struct rwbase_rt *rwb, */ owner = rt_mutex_owner(rtm); if (owner) - wake_up_state(owner, state); + rt_mutex_wake_q_add_task(&wqh, owner, state); + /* Pairs with the preempt_enable in rt_mutex_wake_up_q() */ + preempt_disable(); raw_spin_unlock_irq(&rtm->wait_lock); + rt_mutex_wake_up_q(&wqh); } static __always_inline void rwbase_read_unlock(struct rwbase_rt *rwb, |