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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 49263C4361B for ; Thu, 10 Dec 2020 19:06:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1264B23C18 for ; Thu, 10 Dec 2020 19:06:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404257AbgLJTFh (ORCPT ); Thu, 10 Dec 2020 14:05:37 -0500 Received: from mx2.suse.de ([195.135.220.15]:38560 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387409AbgLJTFJ (ORCPT ); Thu, 10 Dec 2020 14:05:09 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 175C3ACE0; Thu, 10 Dec 2020 19:04:28 +0000 (UTC) Date: Thu, 10 Dec 2020 10:38:49 -0800 From: Davidlohr Bueso To: Peter Zijlstra Cc: Linus Torvalds , Bernd Edlinger , "Eric W. Biederman" , Linux Kernel Mailing List , Ingo Molnar , Will Deacon , Jann Horn , Vasiliy Kulikov , Al Viro , Oleg Nesterov , Cyrill Gorcunov , Sargun Dhillon , Christian Brauner , Arnd Bergmann , Arnaldo Carvalho de Melo , Waiman Long Subject: Re: [PATCH] perf: Break deadlock involving exec_update_mutex Message-ID: <20201210183849.fdgcagdn4pyghtfn@linux-p48b> References: <87ft4mbqen.fsf@x220.int.ebiederm.org> <875z5h4b7a.fsf@x220.int.ebiederm.org> <20201207090953.GF3040@hirez.programming.kicks-ass.net> <20201208083412.GR2414@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20201208083412.GR2414@hirez.programming.kicks-ass.net> User-Agent: NeoMutt/20180716 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 08 Dec 2020, Peter Zijlstra wrote: >I suppose I'll queue the below into tip/perf/core for next merge window, >unless you want it in a hurry? I'm thinking we'd still want Eric's series on top of this for the reader benefits of the lock. Thanks, Davidlohr