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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,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 C72D5C433B4 for ; Tue, 27 Apr 2021 12:45:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9490960FF1 for ; Tue, 27 Apr 2021 12:45:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235428AbhD0MqS (ORCPT ); Tue, 27 Apr 2021 08:46:18 -0400 Received: from out4436.biz.mail.alibaba.com ([47.88.44.36]:28708 "EHLO out4436.biz.mail.alibaba.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235489AbhD0MqS (ORCPT ); Tue, 27 Apr 2021 08:46:18 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R191e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=haoxu@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0UX-Z1zZ_1619527526; Received: from e18g09479.et15sqa.tbsite.net(mailfrom:haoxu@linux.alibaba.com fp:SMTPD_---0UX-Z1zZ_1619527526) by smtp.aliyun-inc.com(127.0.0.1); Tue, 27 Apr 2021 20:45:33 +0800 From: Hao Xu To: Jens Axboe Cc: io-uring@vger.kernel.org, Pavel Begunkov , Joseph Qi Subject: [PATCH 5.13] io_uring: don't set IORING_SQ_NEED_WAKEUP when sqthread is dying Date: Tue, 27 Apr 2021 20:45:26 +0800 Message-Id: <1619527526-103300-1-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 we don't need to re-fork the sqthread over exec, so no need to set IORING_SQ_NEED_WAKEUP when sqthread is dying. Signed-off-by: Hao Xu --- fs/io_uring.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 6b578c380e73..92dcd1c21516 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -6897,8 +6897,6 @@ static int io_sq_thread(void *data) io_uring_cancel_sqpoll(sqd); sqd->thread = NULL; - list_for_each_entry(ctx, &sqd->ctx_list, sqd_list) - io_ring_set_wakeup_flag(ctx); io_run_task_work(); io_run_task_work_head(&sqd->park_task_work); mutex_unlock(&sqd->lock); -- 1.8.3.1