58 	wait_queue_head_t event_wqh;  member
173 		VM_BUG_ON(spin_is_locked(&ctx->event_wqh.lock));  in userfaultfd_ctx_put()
174 		VM_BUG_ON(waitqueue_active(&ctx->event_wqh));  in userfaultfd_ctx_put()
566 	spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
571 	__add_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
584 			__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
596 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
601 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
604 	spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
635 	wake_up_locked(&ctx->event_wqh);  in userfaultfd_event_complete()
636 	__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_complete()
907 	wake_up_all(&ctx->event_wqh);  in userfaultfd_release()
942 	return find_userfault_in(&ctx->event_wqh);  in find_userfault_evt()
975 	else if (waitqueue_active(&ctx->event_wqh))  in userfaultfd_poll()
1066 		spin_lock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1082 				spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1088 			spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1092 		spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1112 		spin_lock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1134 			__add_wait_queue(&ctx->event_wqh, &uwq->wq);  in userfaultfd_ctx_read()
1158 		spin_unlock_irq(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
2061 	init_waitqueue_head(&ctx->event_wqh);  in init_once_userfaultfd_ctx()