From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.citrix.com ([66.165.176.89]:9212 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751346AbbJLKLN (ORCPT ); Mon, 12 Oct 2015 06:11:13 -0400 Message-ID: <561B873E.5040803@citrix.com> Date: Mon, 12 Oct 2015 11:11:10 +0100 From: David Vrabel MIME-Version: 1.0 To: Ben Hutchings , Ian Campbell , Ian Jackson , , Greg Kroah-Hartman CC: David Vrabel , , osstest service owner , =?windows-1252?Q?Marek_Marczykowski-G=F3recki?= Subject: Re: [Xen-devel] [linux-3.14 bisection] complete test-amd64-i386-xl-qcow2 References: <1441099198.27618.13.camel@citrix.com> <21989.30329.419566.715627@mariner.uk.xensource.com> <1441101938.27618.17.camel@citrix.com> <1441185512.26292.111.camel@citrix.com> <1444342480.2956.274.camel@decadent.org.uk> In-Reply-To: <1444342480.2956.274.camel@decadent.org.uk> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: On 08/10/15 23:14, Ben Hutchings wrote: > On Wed, 2015-09-02 at 10:18 +0100, Ian Campbell wrote: >> [resending to correct stable address, sorry folks] >> >> TL;DR: Any backport of 30b03d05e074 to earlier than commit 1401c00e59e >> ("xen/gntdev: convert priv->lock to a mutex", which was added in v4.0) >> needs $something doing to it, either s/mutex/spinlock/ or (more likely) >> backporting of 1401c00e59e too. >> >> Looking at LTS: >> >> 3.18.y:> > Backported both. >> 3.16.y:> > Has backported neither >> 3.14.y:> > * Only backported 30b03d05e074 >> 3.12.y:> > Has backported neither >> 3.10.y:> > * Only backported 30b03d05e074 >> 3.4.y:> > Has backported neither >> 3.2.y:> > Has backported neither >> >> So AFAICT 3.14.y and 3.10.y need fixes, probably following 3.18 and >> backporting 1401c00e59e. >> >> 3.16/12/4/2 might need to be careful if they subsequently pick up 30b03d05. > [...] > > I came up with the patch below for 3.2. Let me know if it's not > correct. Please just take commit 1401c00e59e instead. David