Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751541AbdH3JMe (ORCPT ); Wed, 30 Aug 2017 05:12:34 -0400 Received: from merlin.infradead.org ([205.233.59.134]:51022 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751271AbdH3JMd (ORCPT ); Wed, 30 Aug 2017 05:12:33 -0400 Date: Wed, 30 Aug 2017 11:12:23 +0200 From: Peter Zijlstra To: Byungchul Park Cc: mingo@kernel.org, tj@kernel.org, boqun.feng@gmail.com, david@fromorbit.com, johannes@sipsolutions.net, oleg@redhat.com, linux-kernel@vger.kernel.org, kernel-team@lge.com Subject: Re: [PATCH 4/4] lockdep: Fix workqueue crossrelease annotation Message-ID: <20170830091223.xxnh3podtcumlabm@hirez.programming.kicks-ass.net> References: <20170823115843.662056844@infradead.org> <20170823121432.990701317@infradead.org> <20170824021840.GC6772@X58A-UD3R> <20170824140240.t4imrpvussebfimm@hirez.programming.kicks-ass.net> <20170825011114.GA3858@X58A-UD3R> <20170829085939.ggmb6xiohw67micb@hirez.programming.kicks-ass.net> <20170830020953.GE3240@X58A-UD3R> <20170830074117.GG3240@X58A-UD3R> <20170830085333.GM32112@worktop.programming.kicks-ass.net> <004601d3216e$a3702030$ea506090$@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <004601d3216e$a3702030$ea506090$@lge.com> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 501 Lines: 10 On Wed, Aug 30, 2017 at 06:01:59PM +0900, Byungchul Park wrote: > My point is that we inevitably lose valuable dependencies by yours. That's > why I've endlessly asked you 'do you have any reason you try those patches?' > a ton of times. And you have never answered it. The only dependencies that are lost are those between the first work and the setup of the workqueue thread. And there obviously _should_ not be any dependencies between those. A work should not depend on the setup of the thread.