From patchwork Thu Apr 15 14:47:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 422445 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 DC6A0C43461 for ; Thu, 15 Apr 2021 14:49:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C180B613C5 for ; Thu, 15 Apr 2021 14:49:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233711AbhDOOta (ORCPT ); Thu, 15 Apr 2021 10:49:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:36718 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233693AbhDOOt2 (ORCPT ); Thu, 15 Apr 2021 10:49:28 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9817861029; Thu, 15 Apr 2021 14:49:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1618498145; bh=4ELtlmSkNqzEa903eNH/V1C09dOi4URak5l77706qCk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dWzQ/ZrU/yVtS7RPNL4CvOFeKvjqfVEpFERPEFiYtOBdbylgR8c2BxnadXL2YIMuY lTcVbcKoYC5w4+0cqiWNcCpDCXpwtTJG7kazjbKQlaII1c+7kI1dnVjlBMkYDDEU/w poBUBwY8wB+jZtnJ79pCKwl/Ut/uXujjNwNrOJXs= 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 4.4 18/38] workqueue: Move the position of debug_work_activate() in __queue_work() Date: Thu, 15 Apr 2021 16:47:12 +0200 Message-Id: <20210415144413.933271263@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210415144413.352638802@linuxfoundation.org> References: <20210415144413.352638802@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 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 6b293804cd73..a2de597604e6 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1351,7 +1351,6 @@ 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) && @@ -1430,6 +1429,7 @@ retry: worklist = &pwq->delayed_works; } + debug_work_activate(work); insert_work(pwq, work, worklist, work_flags); spin_unlock(&pwq->pool->lock);