From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f199.google.com (mail-pf0-f199.google.com [209.85.192.199]) by kanga.kvack.org (Postfix) with ESMTP id 957D86B0253 for ; Thu, 7 Jul 2016 03:42:34 -0400 (EDT) Received: by mail-pf0-f199.google.com with SMTP id g62so20722162pfb.3 for ; Thu, 07 Jul 2016 00:42:34 -0700 (PDT) Received: from bombadil.infradead.org (bombadil.infradead.org. [2001:1868:205::9]) by mx.google.com with ESMTPS id f15si2815452pap.97.2016.07.07.00.42.33 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 07 Jul 2016 00:42:33 -0700 (PDT) Date: Thu, 7 Jul 2016 09:42:32 +0200 From: Peter Zijlstra 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: Sender: owner-linux-mm@kvack.org List-ID: 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 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? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org