Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752130AbdHJKwU (ORCPT ); Thu, 10 Aug 2017 06:52:20 -0400 Received: from merlin.infradead.org ([205.233.59.134]:37196 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750735AbdHJKwT (ORCPT ); Thu, 10 Aug 2017 06:52:19 -0400 Date: Thu, 10 Aug 2017 12:52:03 +0200 From: Peter Zijlstra To: Byungchul Park Cc: mingo@kernel.org, tglx@linutronix.de, walken@google.com, boqun.feng@gmail.com, kirill@shutemov.name, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, willy@infradead.org, npiggin@gmail.com, kernel-team@lge.com Subject: Re: [PATCH v8 00/14] lockdep: Implement crossrelease feature Message-ID: <20170810105203.tlolkkgj6lslxa2s@hirez.programming.kicks-ass.net> References: <1502089981-21272-1-git-send-email-byungchul.park@lge.com> <20170809155059.yd7le2szn2rcd4h2@hirez.programming.kicks-ass.net> <20170810093707.GA20323@X58A-UD3R> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170810093707.GA20323@X58A-UD3R> 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: 430 Lines: 11 On Thu, Aug 10, 2017 at 06:37:07PM +0900, Byungchul Park wrote: > On Wed, Aug 09, 2017 at 05:50:59PM +0200, Peter Zijlstra wrote: > > > > > > Heh, look what it does... > > Wait.. execuse me but.. is it a real problem? I've not tried again with my patch removed -- I'm chasing another issue atm. But note that I'm running this on tip/master which has a bunch of hotplug lock rework in, and that sequence includes hotplug lock.