From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752275AbaIJKNF (ORCPT ); Wed, 10 Sep 2014 06:13:05 -0400 Received: from cantor2.suse.de ([195.135.220.15]:37361 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751490AbaIJKND (ORCPT ); Wed, 10 Sep 2014 06:13:03 -0400 Date: Wed, 10 Sep 2014 12:12:59 +0200 From: Jan Kara To: Jiri Kosina Cc: Steven Rostedt , linux-kernel@vger.kernel.org, Linus Torvalds , Ingo Molnar , Andrew Morton , Michal Hocko , Jan Kara , Frederic Weisbecker , Dave Anderson , Petr Mladek , "Paul E. McKenney" , Konstantin Khlebnikov Subject: Re: [RFC][PATCH 0/5 v2] x86/nmi: Print all cpu stacks from NMI safely Message-ID: <20140910101259.GA27702@quack.suse.cz> References: <20140626214901.596791200@goodmis.org> <20140808144412.1357dd05@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 10-09-14 10:08:02, Jiri Kosina wrote: > On Fri, 8 Aug 2014, Steven Rostedt wrote: > > > > > This is my proposal to print the NMI stack traces from an RCU stall safely. > > > > Here's the gist of it. > > > > > > Steven, what's your plan with this patchset please? > > > > Has there been consensus on this approach? > > From what I heard, the kernel summit workshop seems to have reached that > conclusion; I was unfortunately unable to attend it due to another > discussion I was interested in happening at the same time -- Jan Kara was > there, so I believe he can provide all the details if necessary. Yes, we briefly talked about printk from NMI and noone was objecting to Steven's solution. Honza -- Jan Kara SUSE Labs, CR