62 	wait_queue_head_t event_wqh;  member
171 		VM_BUG_ON(spin_is_locked(&ctx->event_wqh.lock));  in userfaultfd_ctx_put()
172 		VM_BUG_ON(waitqueue_active(&ctx->event_wqh));  in userfaultfd_ctx_put()
558 	spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
563 	__add_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
576 			__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
588 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
593 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
596 	spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
627 	wake_up_locked(&ctx->event_wqh);  in userfaultfd_event_complete()
628 	__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_complete()
894 	wake_up_all(&ctx->event_wqh);  in userfaultfd_release()
929 	return find_userfault_in(&ctx->event_wqh);  in find_userfault_evt()
963 		else if (waitqueue_active(&ctx->event_wqh))  in userfaultfd_poll()
1058 		spin_lock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1074 				spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1080 			spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1084 		spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1104 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1126 			__add_wait_queue(&ctx->event_wqh, &uwq->wq);  in userfaultfd_ctx_read()
1150 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1952 	init_waitqueue_head(&ctx->event_wqh);  in init_once_userfaultfd_ctx()