76 	wait_queue_head_t event_wqh;  member
221 		VM_BUG_ON(spin_is_locked(&ctx->event_wqh.lock));  in userfaultfd_ctx_put()
222 		VM_BUG_ON(waitqueue_active(&ctx->event_wqh));  in userfaultfd_ctx_put()
611 	spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
616 	__add_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
629 			__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
641 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
646 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
649 	spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
685 	wake_up_locked(&ctx->event_wqh);  in userfaultfd_event_complete()
686 	__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_complete()
954 	wake_up_all(&ctx->event_wqh);  in userfaultfd_release()
989 	return find_userfault_in(&ctx->event_wqh);  in find_userfault_evt()
1022 	else if (waitqueue_active(&ctx->event_wqh))  in userfaultfd_poll()
1113 		spin_lock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1129 				spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1135 			spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1139 		spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1159 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1181 			__add_wait_queue(&ctx->event_wqh, &uwq->wq);  in userfaultfd_ctx_read()
1205 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
2175 	init_waitqueue_head(&ctx->event_wqh);  in init_once_userfaultfd_ctx()