172 		VM_BUG_ON(spin_is_locked(&ctx->event_wqh.lock));  in userfaultfd_ctx_put()
173 		VM_BUG_ON(waitqueue_active(&ctx->event_wqh));  in userfaultfd_ctx_put()
554 	spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
559 	__add_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
572 			__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
584 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
589 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
592 	spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
613 	wake_up_locked(&ctx->event_wqh);  in userfaultfd_event_complete()
614 	__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_complete()
877 	wake_up_all(&ctx->event_wqh);  in userfaultfd_release()
912 	return find_userfault_in(&ctx->event_wqh);  in find_userfault_evt()
945 	else if (waitqueue_active(&ctx->event_wqh))  in userfaultfd_poll()
1036 		spin_lock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1052 				spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1058 			spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1062 		spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1082 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1104 			__add_wait_queue(&ctx->event_wqh, &uwq->wq);  in userfaultfd_ctx_read()
1128 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
2098 	init_waitqueue_head(&ctx->event_wqh);  in init_once_userfaultfd_ctx()