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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT 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 05501ECDFB0 for ; Thu, 12 Jul 2018 19:18:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4F6B208E9 for ; Thu, 12 Jul 2018 19:18:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C4F6B208E9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=stgolabs.net 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 S1732240AbeGLT2z (ORCPT ); Thu, 12 Jul 2018 15:28:55 -0400 Received: from mx2.suse.de ([195.135.220.15]:48408 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726463AbeGLT2z (ORCPT ); Thu, 12 Jul 2018 15:28:55 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id B3684AD90; Thu, 12 Jul 2018 19:17:59 +0000 (UTC) Date: Thu, 12 Jul 2018 12:17:53 -0700 From: Davidlohr Bueso To: Christoph Hellwig Cc: Ingo Molnar , Peter Zijlstra , Andrew Morton , Al Viro , Andrea Arcangeli , Mike Rapoport , Jason Baron , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: waitqueue lockdep annotation V3 Message-ID: <20180712191753.fvk2qersdvhcoqzp@linux-r8p5> References: <20171214152344.6880-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20171214152344.6880-1-hch@lst.de> User-Agent: NeoMutt/20170912 (1.9.0) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 14 Dec 2017, Christoph Hellwig wrote: >Hi all, > >this series adds a strategic lockdep_assert_held to __wake_up_common >to ensure callers really do hold the wait_queue_head lock when calling >the unlocked wake_up variants. It turns out epoll did not do this >for a fairly common path (hit all the time by systemd during bootup), >so the second patch fixed this instance as well. I ran into these changes because of patch 1 getting rid of ep->lock. Is there any reason why this series was never picked up? Thanks, Davidlohr