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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 06F04C4360C for ; Thu, 26 Sep 2019 16:52:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D6D1A222C7 for ; Thu, 26 Sep 2019 16:52:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727578AbfIZQws (ORCPT ); Thu, 26 Sep 2019 12:52:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:14149 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726029AbfIZQws (ORCPT ); Thu, 26 Sep 2019 12:52:48 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8FFA6316E531; Thu, 26 Sep 2019 16:52:48 +0000 (UTC) Received: from ovpn-117-172.phx2.redhat.com (ovpn-117-172.phx2.redhat.com [10.3.117.172]) by smtp.corp.redhat.com (Postfix) with ESMTP id E47F65C21F; Thu, 26 Sep 2019 16:52:42 +0000 (UTC) Message-ID: Subject: Re: [PATCH RT 4/8] sched: migrate disable: Protect cpus_ptr with lock From: Scott Wood To: Sebastian Andrzej Siewior Cc: Thomas Gleixner , Steven Rostedt , Peter Zijlstra , Juri Lelli , Daniel Bristot de Oliveira , Clark Williams , linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Date: Thu, 26 Sep 2019 11:52:42 -0500 In-Reply-To: <20190926163940.khzhsp3a4h7vj7lw@linutronix.de> References: <20190727055638.20443-1-swood@redhat.com> <20190727055638.20443-5-swood@redhat.com> <20190926163940.khzhsp3a4h7vj7lw@linutronix.de> Organization: Red Hat Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Thu, 26 Sep 2019 16:52:48 +0000 (UTC) Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org On Thu, 2019-09-26 at 18:39 +0200, Sebastian Andrzej Siewior wrote: > On 2019-07-27 00:56:34 [-0500], Scott Wood wrote: > > Various places assume that cpus_ptr is protected by rq/pi locks, > > so don't change it before grabbing those locks. > > > > Signed-off-by: Scott Wood > > I applied now everything until here and you can take a look at > > https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/log/?h=linux-5.2.y-rt-RC > > If there are no objections then I would make this a -rt9 and then go > further. > > Sebastian Looks good, thanks! -Scott