From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756565AbcGGHmj (ORCPT ); Thu, 7 Jul 2016 03:42:39 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:34453 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756542AbcGGHmi (ORCPT ); Thu, 7 Jul 2016 03:42:38 -0400 Date: Thu, 7 Jul 2016 09:42:32 +0200 From: Peter Zijlstra To: Campbell Steven Cc: Stefan Priebe - Profihost AG , Greg KH , Vlastimil Babka , LKML , "linux-mm@kvack.org" , linux-mm@vger.kernel.org, Ingo Molnar , Rik van Riel Subject: Re: divide error: 0000 [#1] SMP in task_numa_migrate - handle_mm_fault vanilla 4.4.6 Message-ID: <20160707074232.GS30921@twins.programming.kicks-ass.net> References: <56EDD206.3070202@suse.cz> <56EF15BB.3080509@profihost.ag> <20160320214130.GB23920@kroah.com> <56EFD267.9070609@profihost.ag> <20160321133815.GA14188@kroah.com> <573AB3BF.3030604@profihost.ag> <20160622061356.GW30154@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 07, 2016 at 11:20:36AM +1200, Campbell Steven wrote: > > commit 8974189222159154c55f24ddad33e3613960521a > > Author: Peter Zijlstra > > Date: Thu Jun 16 10:50:40 2016 +0200 > Since these early reports from Stefan and I it looks like it's been > hit but alot more folks now so I'd like to ask what the process is for > getting this backported into 4.6, 4.5 and 4.4 as in our testing all > those versions for their latest point release seem to have the same > problem. I think this should do; Greg is on Cc and will mark the commit somewhere. It is already in Linus' tree and should indeed be sufficient. It has a Fixes tag referring the commit that introduced it, which IIRC is somewhere around v4.2. Greg, anything else required?