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=-2.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,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 89AA6C46475 for ; Thu, 25 Oct 2018 15:07:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 509AB20848 for ; Thu, 25 Oct 2018 15:07:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=mailprotect.be header.i=@mailprotect.be header.b="FFk9of6y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 509AB20848 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=acm.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727590AbeJYXkM (ORCPT ); Thu, 25 Oct 2018 19:40:12 -0400 Received: from com-out001.mailprotect.be ([83.217.72.83]:34387 "EHLO com-out001.mailprotect.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727319AbeJYXkM (ORCPT ); Thu, 25 Oct 2018 19:40:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mailprotect.be; s=mail; h=Content-Transfer-Encoding:MIME-Version:Message-Id :Date:Subject:Cc:To:From:reply-to:sender:bcc:in-reply-to:references: content-type; bh=7VwH29zaOPAYW4rcUsoeWId7ZanoT1ApXb5Hg8cIfZU=; b=FFk9of6ydhX3 RdJYK7EVrRKJ+h87f0RGao8ZMURYzCMwTfv6+UKyYc/1118qivQ/UQwicSPFoCo3Q1bunaWnAhdDO Ri8EpCggjeHTWo4mWeqvQlmAmm3mT8fLXZETguvo8JZDyHt6DMVeFogAHlSZLePXEUPhHmBYErjyC 5SPQrDt1lqjjQWbQ7RtvllOBXZpKdxQOqWzVNKmzQHG8EPGL6ViBZx0KAyOeph9vQ7iaetzHxy8E4 QM78iSzK4ZUAprqSSnF5rvZGMcEJiMJjc872crGyokqDCY/rBeu217HSlX2yw4X/4zAb+JVPCrZAj sQAv2k0cJoHJB7ezZc0sOQ==; Received: from smtp-auth.mailprotect.be ([178.208.39.159]) by com-mpt-out001.mailprotect.be with esmtp (Exim 4.89) (envelope-from ) id 1gFhDk-0005oa-Jg; Thu, 25 Oct 2018 17:06:49 +0200 Received: from desktop-bart.svl.corp.google.com (unknown [104.133.8.89]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp-auth.mailprotect.be (Postfix) with ESMTPSA id 0D9F0C13CF; Thu, 25 Oct 2018 17:06:30 +0200 (CEST) From: Bart Van Assche To: Tejun Heo Cc: linux-kernel@vger.kernel.org, Johannes Berg , Christoph Hellwig , Sagi Grimberg , tytso@mit.edu, bvanassche@acm.org Subject: [PATCH 0/3] Suppress false positives triggered by workqueue lockdep annotations Date: Thu, 25 Oct 2018 08:05:37 -0700 Message-Id: <20181025150540.259281-1-bvanassche@acm.org> X-Mailer: git-send-email 2.19.1.568.g152ad8e336-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Originating-IP: 178.208.39.159 X-SpamExperts-Domain: mailprotect.be X-SpamExperts-Username: 178.208.39.128/27 Authentication-Results: mailprotect.be; auth=pass smtp.auth=178.208.39.128/27@mailprotect.be X-SpamExperts-Outgoing-Class: ham X-SpamExperts-Outgoing-Evidence: Combined (0.07) X-Recommended-Action: accept X-Filter-ID: EX5BVjFpneJeBchSMxfU5loxt8C87gCVolMl1cyaPW9602E9L7XzfQH6nu9C/Fh9KJzpNe6xgvOx q3u0UDjvO1tLifGj39bI0bcPyaJsYTZ8+YO8vChGFh3RuBr6W5W4OxXLKJYlhMSlvFrRpI1afX1e LdXSQEA2A8Mi+qZBNAJeQM+giwlWxLd3u9oewtfxHkDLQXsP0l4gM901I8VRelOcvqL7erI7cmyP F7rNKoQ6nIk9pDZAy5+Bh7H1WlayS5/54zeXko+dun95C2GNU5Zgdw/TrNerJc6iNElLjOSr+ury NtF5nL5Xd2xSs2A+BMmyNbDn7R5kilAhwr3KtFkEjgy2lIalT1bgV0G1B6wR6UEXs2CpqzV8tKL4 SxeI7sn//RcLEIwmfxtejjVQPe75lAaleymDhM6q/bf6ylvMne8kEFi9whdly91uPt+NjZ/2BflP GJGaubsXCX08RTS5uosuJIDwx+20ECcNkg/IQ6hdCufMS9/BCap8vQGHPoGLQmyHoPQ6TB1wLqq5 Qkv8gSmPI3hcWIP6I/UqgklFXXqpVcVFhDpgnnGd9TvwpduFUH54xozIXYC/AO4ruQQZSCdFgRT7 uB3pznGUiPdhD/iWD0V++qD0gbQQTy2MSHRP7JsY9SIFlGCnk976CRbAiblZVZAoQGrzL+lZC3bY 5Qx4fJOk03R5fJtf/Dv/gSdxjDi1ltP+wptveb2Ijci0u19DQjpIcLYmJ1eNF7Hj7YQfAz1XFm6U HzM/nSXDBRiEpFawT+XpBprqjhqmHpw7a3o4X/1BhEnPIxiTqXl3MEaSi/a2UpaZXx577r2VX5L+ J71s/JQPh4CpIirAWU4JGuUMSPEM4jSvu0DxlABITZexxilFc9uhI53Z4n/X50oTLts/mAi3bdTt +kCc014dWJl0kwfXlmvU2bsvJrs2z0B+fREYIUiwb9iVHkqzKJAkzzNYrfNt4PYN+BpSTJ6QZDvV AcJRgqDug2GSJBdRZgzstIAg6rIwnyMY+7rV9R/2gMGq0KWAzmMf+ibVDvxqiYOBPyjSuNX12Foj Ct6b+3PptLpbDCN56+pk/nrDlJMRPkiuApKqkLmPwA7QezIzJvw9qxD5zQLggp7fQfdZbzftsOiK 1rBamiUlczHh9dLX6qBpW3U5Ey2lggFy2qdXG55oeqRZoYKir3ci7UmvMyduSR5H9stXx9/Mf6KV X-Report-Abuse-To: spam@com-mpt-mgt001.mailprotect.be Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Tejun, In my tests with kernel v4.19 I noticed that several new false positive reports were generated by the workqueue lockdep annotations. This patch series addresses one of these false positives. Another false positive will be addressed by a patch for the NVMe target driver. Please consider these patches for the upstream kernel. Thanks, Bart. Bart Van Assche (3): kernel/workqueue: Remove lockdep annotation from __flush_work() kernel/workqueue: Surround work execution with shared lock annotations kernel/workqueue: Suppress a false positive lockdep complaint include/linux/workqueue.h | 1 + kernel/workqueue.c | 28 ++++++++++++++-------------- 2 files changed, 15 insertions(+), 14 deletions(-) -- 2.19.1.568.g152ad8e336-goog