Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp2050855imm; Thu, 12 Jul 2018 12:20:08 -0700 (PDT) X-Google-Smtp-Source: AAOMgpdoFMkzrUsmxv18wiUzlc2XF1rhuOlixbifWJuFPrma/g1vs2nPTa6Bj5otgyddEi53EBKz X-Received: by 2002:a17:902:1703:: with SMTP id i3-v6mr3263969pli.263.1531423208894; Thu, 12 Jul 2018 12:20:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531423208; cv=none; d=google.com; s=arc-20160816; b=A1FElchj/iEVA8Cdq0xnoNy4YJJYihC2st9IV4/Tvxj4I+PyvNcrmBwlcgzDfTPdmH KeeFGb2//JU9Y+q87PYcpphFns/uGuGHi+ccu4kT4hujP4o5iJh0t9HKrZTLik97Ws6G C05HkKKq+n2sJ6mS0snuFdIaCPJsVuhu7KgndpoF7GTPIJeuHF59IRUvUkM1NosfEM79 YL1ayvbOQc0cHB/0asOMFled2lvQeNePQt0hXvFUXrFt9oHrv+gmTbgzeWj3rw9Wv8NI bcQZIP+UgiKG5qVZnjjnpllfFBR6S6Ei3nmk4d1mRG9v7vV0aMvTpXLeXlUC3t75wmou WnwA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=5zK24o4HBTpUTJ26/zhkmTnY+EcOjzLHfANwW5LRizY=; b=sggWagyYQqfQvwY1Z9jaX+DdDyc+MtzZF1Hom4EFyLY4eWr6xqV5wfTlqTlBEfwZrB 83oPgx3joX8XCiHmDhM3VG+8TcT8wwSNbnDXlytVdCHabrhTEtCZKKQB9MHx8zuRxlL7 pphNP3IdhaHG5kQg+nHLwLWjX+FkHHJlm59L9CJc0JgPcmultXANUJeCg3IbZSJ34oYR bwU2xqcCe1QzYbQp3iYI9ceHC87oKkvAG9P1F+6SBmZm+/g5gbGIB+N2Xsj+PZk2GU1L gC/n7BU73RFJOugC923UcjgCpw4cEvbB0/UTk+1+SQNNmcqtNwBoMWxmtpGlfhjfHyki 1E8A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r6-v6si21730985pgm.647.2018.07.12.12.19.30; Thu, 12 Jul 2018 12:20:08 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732234AbeGLT2z (ORCPT + 99 others); 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