From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754659AbbG0U6r (ORCPT ); Mon, 27 Jul 2015 16:58:47 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:56464 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750915AbbG0U6q (ORCPT ); Mon, 27 Jul 2015 16:58:46 -0400 Message-ID: <55B69B7F.9050209@fb.com> Date: Mon, 27 Jul 2015 14:58:39 -0600 From: Jens Axboe User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 MIME-Version: 1.0 To: Konrad Rzeszutek Wilk , , Subject: Re: [GIT PULL] (xen) stable/for-jens-4.2 for rc4 References: <20150727173625.GA13387@konrad-lan.dumpdata.com> In-Reply-To: <20150727173625.GA13387@konrad-lan.dumpdata.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [192.168.54.13] X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.14.151,1.0.33,0.0.0000 definitions=2015-07-27_03:2015-07-27,2015-07-27,1970-01-01 signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/27/2015 11:36 AM, Konrad Rzeszutek Wilk wrote: > Hey Jens, > > There are three bugs that have been found in the xen-blkfront (and > backend). Two of them have the stable tree CC-ed. They have been found > where an guest is migrating to a host that is missing 'feature-persistent' > support (from one that has it enabled). We end up hitting an BUG() in the > driver code. > > Please git pull the following branch: > > git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git stable/for-jens-4.2 > > which has the outlined changes. The branch is based on your > 'for-4.2/drivers' branch but it also nicely applies to Linus's tree and > your 'for-linus'. > > drivers/block/xen-blkback/blkback.c | 4 +- > drivers/block/xen-blkfront.c | 128 ++++++++++++++++++++---------------- > 2 files changed, 74 insertions(+), 58 deletions(-) > > Bob Liu (3): > xen-blkfront: introduce blkfront_gather_backend_features() > xen-blkfront: don't add indirect pages to list when !feature_persistent > xen-blkback: replace work_pending with work_busy in purge_persistent_gnt() Pulled, thanks Konrad. -- Jens Axboe