320 static inline void hb_waiters_inc(struct futex_hash_bucket *hb)  in hb_waiters_inc()  argument
323 	atomic_inc(&hb->waiters);  in hb_waiters_inc()
335 static inline void hb_waiters_dec(struct futex_hash_bucket *hb)  in hb_waiters_dec()  argument
338 	atomic_dec(&hb->waiters);  in hb_waiters_dec()
342 static inline int hb_waiters_pending(struct futex_hash_bucket *hb)  in hb_waiters_pending()  argument
349 	return atomic_read(&hb->waiters);  in hb_waiters_pending()
696 static struct futex_q *futex_top_waiter(struct futex_hash_bucket *hb,  in futex_top_waiter()  argument
701 	plist_for_each_entry(this, &hb->chain, list) {  in futex_top_waiter()
829 	struct futex_hash_bucket *hb;  in exit_pi_state_list()  local
844 		hb = hash_futex(&key);  in exit_pi_state_list()
864 		spin_lock(&hb->lock);  in exit_pi_state_list()
874 			spin_unlock(&hb->lock);  in exit_pi_state_list()
886 		spin_unlock(&hb->lock);  in exit_pi_state_list()
1287 			   struct futex_hash_bucket *hb,  in lookup_pi_state()  argument
1291 	struct futex_q *top_waiter = futex_top_waiter(hb, key);  in lookup_pi_state()
1347 static int futex_lock_pi_atomic(u32 __user *uaddr, struct futex_hash_bucket *hb,  in futex_lock_pi_atomic()  argument
1381 	top_waiter = futex_top_waiter(hb, key);  in futex_lock_pi_atomic()
1433 	struct futex_hash_bucket *hb;  in __unqueue_futex()  local
1439 	hb = container_of(q->lock_ptr, struct futex_hash_bucket, lock);  in __unqueue_futex()
1440 	plist_del(&q->list, &hb->chain);  in __unqueue_futex()
1441 	hb_waiters_dec(hb);  in __unqueue_futex()
1586 	struct futex_hash_bucket *hb;  in futex_wake()  local
1599 	hb = hash_futex(&key);  in futex_wake()
1602 	if (!hb_waiters_pending(hb))  in futex_wake()
1605 	spin_lock(&hb->lock);  in futex_wake()
1607 	plist_for_each_entry_safe(this, next, &hb->chain, list) {  in futex_wake()
1624 	spin_unlock(&hb->lock);  in futex_wake()
1807 			   struct futex_hash_bucket *hb)  in requeue_pi_wake_futex()  argument
1816 	q->lock_ptr = &hb->lock;  in requeue_pi_wake_futex()
2189 	__acquires(&hb->lock)  in queue_lock()
2191 	struct futex_hash_bucket *hb;  in queue_lock()  local
2193 	hb = hash_futex(&q->key);  in queue_lock()
2203 	hb_waiters_inc(hb); /* implies smp_mb(); (A) */  in queue_lock()
2205 	q->lock_ptr = &hb->lock;  in queue_lock()
2207 	spin_lock(&hb->lock);  in queue_lock()
2208 	return hb;  in queue_lock()
2212 queue_unlock(struct futex_hash_bucket *hb)  in queue_unlock()  argument
2213 	__releases(&hb->lock)  in queue_unlock()
2215 	spin_unlock(&hb->lock);  in queue_unlock()
2216 	hb_waiters_dec(hb);  in queue_unlock()
2219 static inline void __queue_me(struct futex_q *q, struct futex_hash_bucket *hb)  in __queue_me()  argument
2234 	plist_add(&q->list, &hb->chain);  in __queue_me()
2250 static inline void queue_me(struct futex_q *q, struct futex_hash_bucket *hb)  in queue_me()  argument
2251 	__releases(&hb->lock)  in queue_me()
2253 	__queue_me(q, hb);  in queue_me()
2254 	spin_unlock(&hb->lock);  in queue_me()
2577 static void futex_wait_queue_me(struct futex_hash_bucket *hb, struct futex_q *q,  in futex_wait_queue_me()  argument
2587 	queue_me(q, hb);  in futex_wait_queue_me()
2627 			   struct futex_q *q, struct futex_hash_bucket **hb)  in futex_wait_setup()  argument
2656 	*hb = queue_lock(q);  in futex_wait_setup()
2661 		queue_unlock(*hb);  in futex_wait_setup()
2674 		queue_unlock(*hb);  in futex_wait_setup()
2686 	struct futex_hash_bucket *hb;  in futex_wait()  local
2701 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait()
2706 	futex_wait_queue_me(hb, &q, to);  in futex_wait()
2779 	struct futex_hash_bucket *hb;  in futex_lock_pi()  local
2797 	hb = queue_lock(&q);  in futex_lock_pi()
2799 	ret = futex_lock_pi_atomic(uaddr, hb, &q.key, &q.pi_state, current,  in futex_lock_pi()
2821 			queue_unlock(hb);  in futex_lock_pi()
2840 	__queue_me(&q, hb);  in futex_lock_pi()
2932 	queue_unlock(hb);  in futex_lock_pi()
2942 	queue_unlock(hb);  in futex_lock_pi()
2963 	struct futex_hash_bucket *hb;  in futex_unlock_pi()  local
2983 	hb = hash_futex(&key);  in futex_unlock_pi()
2984 	spin_lock(&hb->lock);  in futex_unlock_pi()
2991 	top_waiter = futex_top_waiter(hb, &key);  in futex_unlock_pi()
3018 		spin_unlock(&hb->lock);  in futex_unlock_pi()
3057 		spin_unlock(&hb->lock);  in futex_unlock_pi()
3077 	spin_unlock(&hb->lock);  in futex_unlock_pi()
3111 int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb,  in handle_early_requeue_pi_wakeup()  argument
3125 		WARN_ON(q->lock_ptr && (&hb->lock != q->lock_ptr));  in handle_early_requeue_pi_wakeup()
3130 		plist_del(&q->list, &hb->chain);  in handle_early_requeue_pi_wakeup()
3131 		hb_waiters_dec(hb);  in handle_early_requeue_pi_wakeup()
3190 	struct futex_hash_bucket *hb;  in futex_wait_requeue_pi()  local
3225 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait_requeue_pi()
3234 		queue_unlock(hb);  in futex_wait_requeue_pi()
3240 	futex_wait_queue_me(hb, &q, to);  in futex_wait_requeue_pi()
3242 	spin_lock(&hb->lock);  in futex_wait_requeue_pi()
3243 	ret = handle_early_requeue_pi_wakeup(hb, &q, &key2, to);  in futex_wait_requeue_pi()
3244 	spin_unlock(&hb->lock);  in futex_wait_requeue_pi()