139 int atomic_notifier_chain_register(struct atomic_notifier_head *nh,  in atomic_notifier_chain_register()  argument
145 	spin_lock_irqsave(&nh->lock, flags);  in atomic_notifier_chain_register()
146 	ret = notifier_chain_register(&nh->head, n);  in atomic_notifier_chain_register()
147 	spin_unlock_irqrestore(&nh->lock, flags);  in atomic_notifier_chain_register()
161 int atomic_notifier_chain_unregister(struct atomic_notifier_head *nh,  in atomic_notifier_chain_unregister()  argument
167 	spin_lock_irqsave(&nh->lock, flags);  in atomic_notifier_chain_unregister()
168 	ret = notifier_chain_unregister(&nh->head, n);  in atomic_notifier_chain_unregister()
169 	spin_unlock_irqrestore(&nh->lock, flags);  in atomic_notifier_chain_unregister()
175 int atomic_notifier_call_chain_robust(struct atomic_notifier_head *nh,  in atomic_notifier_call_chain_robust()  argument
185 	spin_lock_irqsave(&nh->lock, flags);  in atomic_notifier_call_chain_robust()
186 	ret = notifier_call_chain_robust(&nh->head, val_up, val_down, v);  in atomic_notifier_call_chain_robust()
187 	spin_unlock_irqrestore(&nh->lock, flags);  in atomic_notifier_call_chain_robust()
211 int atomic_notifier_call_chain(struct atomic_notifier_head *nh,  in atomic_notifier_call_chain()  argument
217 	ret = notifier_call_chain(&nh->head, val, v, -1, NULL);  in atomic_notifier_call_chain()
240 int blocking_notifier_chain_register(struct blocking_notifier_head *nh,  in blocking_notifier_chain_register()  argument
251 		return notifier_chain_register(&nh->head, n);  in blocking_notifier_chain_register()
253 	down_write(&nh->rwsem);  in blocking_notifier_chain_register()
254 	ret = notifier_chain_register(&nh->head, n);  in blocking_notifier_chain_register()
255 	up_write(&nh->rwsem);  in blocking_notifier_chain_register()
270 int blocking_notifier_chain_unregister(struct blocking_notifier_head *nh,  in blocking_notifier_chain_unregister()  argument
281 		return notifier_chain_unregister(&nh->head, n);  in blocking_notifier_chain_unregister()
283 	down_write(&nh->rwsem);  in blocking_notifier_chain_unregister()
284 	ret = notifier_chain_unregister(&nh->head, n);  in blocking_notifier_chain_unregister()
285 	up_write(&nh->rwsem);  in blocking_notifier_chain_unregister()
290 int blocking_notifier_call_chain_robust(struct blocking_notifier_head *nh,  in blocking_notifier_call_chain_robust()  argument
300 	if (rcu_access_pointer(nh->head)) {  in blocking_notifier_call_chain_robust()
301 		down_read(&nh->rwsem);  in blocking_notifier_call_chain_robust()
302 		ret = notifier_call_chain_robust(&nh->head, val_up, val_down, v);  in blocking_notifier_call_chain_robust()
303 		up_read(&nh->rwsem);  in blocking_notifier_call_chain_robust()
325 int blocking_notifier_call_chain(struct blocking_notifier_head *nh,  in blocking_notifier_call_chain()  argument
335 	if (rcu_access_pointer(nh->head)) {  in blocking_notifier_call_chain()
336 		down_read(&nh->rwsem);  in blocking_notifier_call_chain()
337 		ret = notifier_call_chain(&nh->head, val, v, -1, NULL);  in blocking_notifier_call_chain()
338 		up_read(&nh->rwsem);  in blocking_notifier_call_chain()
359 int raw_notifier_chain_register(struct raw_notifier_head *nh,  in raw_notifier_chain_register()  argument
362 	return notifier_chain_register(&nh->head, n);  in raw_notifier_chain_register()
376 int raw_notifier_chain_unregister(struct raw_notifier_head *nh,  in raw_notifier_chain_unregister()  argument
379 	return notifier_chain_unregister(&nh->head, n);  in raw_notifier_chain_unregister()
383 int raw_notifier_call_chain_robust(struct raw_notifier_head *nh,  in raw_notifier_call_chain_robust()  argument
386 	return notifier_call_chain_robust(&nh->head, val_up, val_down, v);  in raw_notifier_call_chain_robust()
407 int raw_notifier_call_chain(struct raw_notifier_head *nh,  in raw_notifier_call_chain()  argument
410 	return notifier_call_chain(&nh->head, val, v, -1, NULL);  in raw_notifier_call_chain()
430 int srcu_notifier_chain_register(struct srcu_notifier_head *nh,  in srcu_notifier_chain_register()  argument
441 		return notifier_chain_register(&nh->head, n);  in srcu_notifier_chain_register()
443 	mutex_lock(&nh->mutex);  in srcu_notifier_chain_register()
444 	ret = notifier_chain_register(&nh->head, n);  in srcu_notifier_chain_register()
445 	mutex_unlock(&nh->mutex);  in srcu_notifier_chain_register()
460 int srcu_notifier_chain_unregister(struct srcu_notifier_head *nh,  in srcu_notifier_chain_unregister()  argument
471 		return notifier_chain_unregister(&nh->head, n);  in srcu_notifier_chain_unregister()
473 	mutex_lock(&nh->mutex);  in srcu_notifier_chain_unregister()
474 	ret = notifier_chain_unregister(&nh->head, n);  in srcu_notifier_chain_unregister()
475 	mutex_unlock(&nh->mutex);  in srcu_notifier_chain_unregister()
476 	synchronize_srcu(&nh->srcu);  in srcu_notifier_chain_unregister()
497 int srcu_notifier_call_chain(struct srcu_notifier_head *nh,  in srcu_notifier_call_chain()  argument
503 	idx = srcu_read_lock(&nh->srcu);  in srcu_notifier_call_chain()
504 	ret = notifier_call_chain(&nh->head, val, v, -1, NULL);  in srcu_notifier_call_chain()
505 	srcu_read_unlock(&nh->srcu, idx);  in srcu_notifier_call_chain()
522 void srcu_init_notifier_head(struct srcu_notifier_head *nh)  in srcu_init_notifier_head()  argument
524 	mutex_init(&nh->mutex);  in srcu_init_notifier_head()
525 	if (init_srcu_struct(&nh->srcu) < 0)  in srcu_init_notifier_head()
527 	nh->head = NULL;  in srcu_init_notifier_head()