From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758556AbbJHU4O (ORCPT ); Thu, 8 Oct 2015 16:56:14 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:45282 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754681AbbJHU4N (ORCPT ); Thu, 8 Oct 2015 16:56:13 -0400 Date: Thu, 8 Oct 2015 13:56:11 -0700 From: Andrew Morton To: Vitaly Kuznetsov Cc: Jan Kara , HATAYAMA Daisuke , Masami Hiramatsu , Jiri Kosina , Baoquan He , Prarit Bhargava , Xie XiuQi , Seth Jennings , linux-kernel@vger.kernel.org, "K. Y. Srinivasan" Subject: Re: [PATCH] panic: release stale console lock to always get the logbuf printed out Message-Id: <20151008135611.1f8deadff8690df168daaedc@linux-foundation.org> In-Reply-To: <87612hfziq.fsf@vitty.brq.redhat.com> References: <1444237342-13282-1-git-send-email-vkuznets@redhat.com> <20151007153408.5c66b7468dee3b2dac16930b@linux-foundation.org> <20151008090153.GB13232@quack.suse.cz> <87612hfziq.fsf@vitty.brq.redhat.com> X-Mailer: Sylpheed 3.4.1 (GTK+ 2.24.23; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 08 Oct 2015 12:03:25 +0200 Vitaly Kuznetsov wrote: > > If we picked up patch "kernel: Avoid softlockups in > > stop_machine() during heavy printing" from my series (it's completely > > independent, I've attached the latest version), the result would look less > > hacky to me (attached). Thoughts? > > Haven't tested it but should also work... Well, I expect we'll be merging Jan's lockup-avoidance code fairly soon. There's no point in solving the same problem twice. Sp please, do take a closer look at the proposed patches and if possible, runtime test them?