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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 AA24FC43461 for ; Thu, 15 Apr 2021 14:51:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F4F9613C1 for ; Thu, 15 Apr 2021 14:51:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234206AbhDOOwP (ORCPT ); Thu, 15 Apr 2021 10:52:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:38482 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234003AbhDOOvc (ORCPT ); Thu, 15 Apr 2021 10:51:32 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4B733613C1; Thu, 15 Apr 2021 14:51:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1618498268; bh=HPuqvidDJ8JOu/ztHPpa7knjrlZvsLIhK2ifuXy5ccw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fS/hKtD85pivxJxj+bevtXkwY7CLWvPnq1VO6rtb96VrLN1rq+ub3FWmGiahTMxCf nUsb1a3Fk/qOQbkLU0uvww4+yIIWFO2MKZGbxWwQqqZa8hD1oRFd9VqDUngISZHO7C U+JjUVMNOTcoh3gUM+Ac3kdPlQW5UxhoznyoouFk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zqiang , Lai Jiangshan , Tejun Heo , Sasha Levin Subject: [PATCH 4.9 23/47] workqueue: Move the position of debug_work_activate() in __queue_work() Date: Thu, 15 Apr 2021 16:47:15 +0200 Message-Id: <20210415144414.197213846@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210415144413.487943796@linuxfoundation.org> References: <20210415144413.487943796@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Zqiang [ Upstream commit 0687c66b5f666b5ad433f4e94251590d9bc9d10e ] The debug_work_activate() is called on the premise that the work can be inserted, because if wq be in WQ_DRAINING status, insert work may be failed. Fixes: e41e704bc4f4 ("workqueue: improve destroy_workqueue() debuggability") Signed-off-by: Zqiang Reviewed-by: Lai Jiangshan Signed-off-by: Tejun Heo Signed-off-by: Sasha Levin --- kernel/workqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 205c3131f8b0..3231088afd73 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1377,7 +1377,6 @@ static void __queue_work(int cpu, struct workqueue_struct *wq, */ WARN_ON_ONCE(!irqs_disabled()); - debug_work_activate(work); /* if draining, only works from the same workqueue are allowed */ if (unlikely(wq->flags & __WQ_DRAINING) && @@ -1460,6 +1459,7 @@ retry: worklist = &pwq->delayed_works; } + debug_work_activate(work); insert_work(pwq, work, worklist, work_flags); spin_unlock(&pwq->pool->lock); -- 2.30.2