52 	wait_queue_head_t event_wqh;  member
162 		VM_BUG_ON(spin_is_locked(&ctx->event_wqh.lock));  in userfaultfd_ctx_put()
163 		VM_BUG_ON(waitqueue_active(&ctx->event_wqh));  in userfaultfd_ctx_put()
587 	spin_lock(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
592 	__add_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
605 			__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_wait_completion()
617 		spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
622 		spin_lock(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
625 	spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_event_wait_completion()
656 	wake_up_locked(&ctx->event_wqh);  in userfaultfd_event_complete()
657 	__remove_wait_queue(&ctx->event_wqh, &ewq->wq);  in userfaultfd_event_complete()
915 	wake_up_all(&ctx->event_wqh);  in userfaultfd_release()
950 	return find_userfault_in(&ctx->event_wqh);  in find_userfault_evt()
984 		else if (waitqueue_active(&ctx->event_wqh))  in userfaultfd_poll()
1079 		spin_lock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1095 				spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1101 			spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1105 		spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1125 		spin_lock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1147 			__add_wait_queue(&ctx->event_wqh, &uwq->wq);  in userfaultfd_ctx_read()
1171 		spin_unlock(&ctx->event_wqh.lock);  in userfaultfd_ctx_read()
1891 	init_waitqueue_head(&ctx->event_wqh);  in init_once_userfaultfd_ctx()