From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8BBB8C433E0 for ; Wed, 3 Feb 2021 14:59:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 35E9864F7C for ; Wed, 3 Feb 2021 14:59:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231629AbhBCO7Z (ORCPT ); Wed, 3 Feb 2021 09:59:25 -0500 Received: from out4436.biz.mail.alibaba.com ([47.88.44.36]:33617 "EHLO out4436.biz.mail.alibaba.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232322AbhBCO67 (ORCPT ); Wed, 3 Feb 2021 09:58:59 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R171e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=haoxu@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0UNmPdAz_1612364276; Received: from e18g09479.et15sqa.tbsite.net(mailfrom:haoxu@linux.alibaba.com fp:SMTPD_---0UNmPdAz_1612364276) by smtp.aliyun-inc.com(127.0.0.1); Wed, 03 Feb 2021 22:58:04 +0800 From: Hao Xu To: Jens Axboe Cc: io-uring@vger.kernel.org, Pavel Begunkov , Joseph Qi Subject: [PATCH 0/2] fix deadlock in __io_req_task_submit() Date: Wed, 3 Feb 2021 22:57:54 +0800 Message-Id: <1612364276-26847-1-git-send-email-haoxu@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org This patchset is to fix a deadlock issue in __io_req_task_submit(), the first patch is a prep one and the second patch does the work. Hao Xu (2): io_uring: add uring_lock as an argument to io_sqe_files_unregister() io_uring: don't hold uring_lock when calling io_run_task_work* fs/io_uring.c | 29 ++++++++++++++++++----------- 1 file changed, 18 insertions(+), 11 deletions(-) -- 1.8.3.1