355 static inline void hb_waiters_inc(struct futex_hash_bucket *hb)  in hb_waiters_inc()  argument
358 	atomic_inc(&hb->waiters);  in hb_waiters_inc()
370 static inline void hb_waiters_dec(struct futex_hash_bucket *hb)  in hb_waiters_dec()  argument
373 	atomic_dec(&hb->waiters);  in hb_waiters_dec()
377 static inline int hb_waiters_pending(struct futex_hash_bucket *hb)  in hb_waiters_pending()  argument
380 	return atomic_read(&hb->waiters);  in hb_waiters_pending()
744 static struct futex_q *futex_top_waiter(struct futex_hash_bucket *hb,  in futex_top_waiter()  argument
749 	plist_for_each_entry(this, &hb->chain, list) {  in futex_top_waiter()
876 	struct futex_hash_bucket *hb;  in exit_pi_state_list()  local
891 		hb = hash_futex(&key);  in exit_pi_state_list()
911 		spin_lock(&hb->lock);  in exit_pi_state_list()
921 			spin_unlock(&hb->lock);  in exit_pi_state_list()
933 		spin_unlock(&hb->lock);  in exit_pi_state_list()
1231 			   struct futex_hash_bucket *hb,  in lookup_pi_state()  argument
1234 	struct futex_q *top_waiter = futex_top_waiter(hb, key);  in lookup_pi_state()
1282 static int futex_lock_pi_atomic(u32 __user *uaddr, struct futex_hash_bucket *hb,  in futex_lock_pi_atomic()  argument
1314 	top_waiter = futex_top_waiter(hb, key);  in futex_lock_pi_atomic()
1366 	struct futex_hash_bucket *hb;  in __unqueue_futex()  local
1372 	hb = container_of(q->lock_ptr, struct futex_hash_bucket, lock);  in __unqueue_futex()
1373 	plist_del(&q->list, &hb->chain);  in __unqueue_futex()
1374 	hb_waiters_dec(hb);  in __unqueue_futex()
1517 	struct futex_hash_bucket *hb;  in futex_wake()  local
1530 	hb = hash_futex(&key);  in futex_wake()
1533 	if (!hb_waiters_pending(hb))  in futex_wake()
1536 	spin_lock(&hb->lock);  in futex_wake()
1538 	plist_for_each_entry_safe(this, next, &hb->chain, list) {  in futex_wake()
1555 	spin_unlock(&hb->lock);  in futex_wake()
1750 			   struct futex_hash_bucket *hb)  in requeue_pi_wake_futex()  argument
1760 	q->lock_ptr = &hb->lock;  in requeue_pi_wake_futex()
2142 	__acquires(&hb->lock)  in queue_lock()
2144 	struct futex_hash_bucket *hb;  in queue_lock()  local
2146 	hb = hash_futex(&q->key);  in queue_lock()
2156 	hb_waiters_inc(hb);  in queue_lock()
2158 	q->lock_ptr = &hb->lock;  in queue_lock()
2160 	spin_lock(&hb->lock); /* implies smp_mb(); (A) */  in queue_lock()
2161 	return hb;  in queue_lock()
2165 queue_unlock(struct futex_hash_bucket *hb)  in queue_unlock()  argument
2166 	__releases(&hb->lock)  in queue_unlock()
2168 	spin_unlock(&hb->lock);  in queue_unlock()
2169 	hb_waiters_dec(hb);  in queue_unlock()
2172 static inline void __queue_me(struct futex_q *q, struct futex_hash_bucket *hb)  in __queue_me()  argument
2187 	plist_add(&q->list, &hb->chain);  in __queue_me()
2203 static inline void queue_me(struct futex_q *q, struct futex_hash_bucket *hb)  in queue_me()  argument
2204 	__releases(&hb->lock)  in queue_me()
2206 	__queue_me(q, hb);  in queue_me()
2207 	spin_unlock(&hb->lock);  in queue_me()
2503 static void futex_wait_queue_me(struct futex_hash_bucket *hb, struct futex_q *q,  in futex_wait_queue_me()  argument
2513 	queue_me(q, hb);  in futex_wait_queue_me()
2553 			   struct futex_q *q, struct futex_hash_bucket **hb)  in futex_wait_setup()  argument
2582 	*hb = queue_lock(q);  in futex_wait_setup()
2587 		queue_unlock(*hb);  in futex_wait_setup()
2601 		queue_unlock(*hb);  in futex_wait_setup()
2616 	struct futex_hash_bucket *hb;  in futex_wait()  local
2640 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait()
2645 	futex_wait_queue_me(hb, &q, to);  in futex_wait()
2717 	struct futex_hash_bucket *hb;  in futex_lock_pi()  local
2741 	hb = queue_lock(&q);  in futex_lock_pi()
2743 	ret = futex_lock_pi_atomic(uaddr, hb, &q.key, &q.pi_state, current, 0);  in futex_lock_pi()
2763 			queue_unlock(hb);  in futex_lock_pi()
2777 	__queue_me(&q, hb);  in futex_lock_pi()
2865 	queue_unlock(hb);  in futex_lock_pi()
2877 	queue_unlock(hb);  in futex_lock_pi()
2899 	struct futex_hash_bucket *hb;  in futex_unlock_pi()  local
2919 	hb = hash_futex(&key);  in futex_unlock_pi()
2920 	spin_lock(&hb->lock);  in futex_unlock_pi()
2927 	top_waiter = futex_top_waiter(hb, &key);  in futex_unlock_pi()
2950 		spin_unlock(&hb->lock);  in futex_unlock_pi()
2991 		spin_unlock(&hb->lock);  in futex_unlock_pi()
3001 	spin_unlock(&hb->lock);  in futex_unlock_pi()
3033 int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb,  in handle_early_requeue_pi_wakeup()  argument
3047 		WARN_ON(q->lock_ptr && (&hb->lock != q->lock_ptr));  in handle_early_requeue_pi_wakeup()
3052 		plist_del(&q->list, &hb->chain);  in handle_early_requeue_pi_wakeup()
3053 		hb_waiters_dec(hb);  in handle_early_requeue_pi_wakeup()
3112 	struct futex_hash_bucket *hb;  in futex_wait_requeue_pi()  local
3154 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait_requeue_pi()
3163 		queue_unlock(hb);  in futex_wait_requeue_pi()
3169 	futex_wait_queue_me(hb, &q, to);  in futex_wait_requeue_pi()
3171 	spin_lock(&hb->lock);  in futex_wait_requeue_pi()
3172 	ret = handle_early_requeue_pi_wakeup(hb, &q, &key2, to);  in futex_wait_requeue_pi()
3173 	spin_unlock(&hb->lock);  in futex_wait_requeue_pi()