From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751384AbaAEQIi (ORCPT ); Sun, 5 Jan 2014 11:08:38 -0500 Received: from mx1.redhat.com ([209.132.183.28]:44195 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751112AbaAEQIh (ORCPT ); Sun, 5 Jan 2014 11:08:37 -0500 Message-ID: <52C9837A.3060308@redhat.com> Date: Sun, 05 Jan 2014 11:08:26 -0500 From: Prarit Bhargava User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110419 Red Hat/3.1.10-1.el6_0 Thunderbird/3.1.10 MIME-Version: 1.0 To: Prarit Bhargava CC: linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Michel Lespinasse , Andi Kleen , Seiji Aguchi , Yang Zhang , Paul Gortmaker , janet.morgan@Intel.com, tony.luck@Intel.com, ruiv.wang@gmail.com Subject: Re: [PATCH] x86, Fix do_IRQ interrupt warning for cpu hotplug retriggered irqs [v2] References: <1388938030-16434-1-git-send-email-prarit@redhat.com> In-Reply-To: <1388938030-16434-1-git-send-email-prarit@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/05/2014 11:07 AM, Prarit Bhargava wrote: > I tested this by doing a continuous loop of booting a system, downing all > cpus, and then rebooting. Before every reboot I grepped the dmesg log for > the do_IRQ warning to see if there were any additional do_IRQ warnings and > I do not see any after applying this patch. I also tested on several > small and medium sized boxes to confirm that cpu hotplug still works there > too and do not see any issues. Please note that this patchset was tested > in conjunction with > > http://marc.info/?l=linux-edac&m=138783131400902&w=2 > > and > > http://marc.info/?l=linux-kernel&m=138871006718478&w=2 > > in order to get cpu hotplug working. > > I'm redoing some additional stability testing (with the additional 2 line > change in this version of the patch) after down'ing all cpus and > bringing them back into service, however, I don't expect to see any new issues. > > P. > > ----8<---- > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=64831 Oops. I neglected to update the version in the subject. Will resend with appropriate [v3] in a few seconds ... P.