From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753009AbbCZULS (ORCPT ); Thu, 26 Mar 2015 16:11:18 -0400 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:52664 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751774AbbCZULP (ORCPT ); Thu, 26 Mar 2015 16:11:15 -0400 Message-ID: <551467E0.40502@fb.com> Date: Thu, 26 Mar 2015 14:11:12 -0600 From: Jens Axboe User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Konrad Rzeszutek Wilk , =?windows-1252?Q?Roge?= =?windows-1252?Q?r_Pau_Monn=E9?= CC: Bob Liu , , , , , Subject: Re: [PATCH RESEND 1/2] xen/blkback: safely unmap purge persistent grants References: <1427372161-4964-1-git-send-email-bob.liu@oracle.com> <5514246F.7020909@citrix.com> <20150326190101.GB31979@l.oracle.com> In-Reply-To: <20150326190101.GB31979@l.oracle.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 8bit X-Originating-IP: [192.168.54.13] X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.13.68,1.0.33,0.0.0000 definitions=2015-03-26_04:2015-03-26,2015-03-26,1970-01-01 signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/26/2015 01:01 PM, Konrad Rzeszutek Wilk wrote: > On Thu, Mar 26, 2015 at 04:23:27PM +0100, Roger Pau Monné wrote: >> El 26/03/15 a les 13.16, Bob Liu ha escrit: >>> Commit c43cf3ea8385 ("xen-blkback: safely unmap grants in case they are still >>> in use") use gnttab_unmap_refs_async() to wait until the mapped pages are no >>> longer in use before unmapping them, but that commit missed the persistent case. >>> Purge persistent pages can't be unmapped either unless no longer in use. >>> >>> Signed-off-by: Bob Liu >> >> AFAICT since this is basically the same patch as what I've sent: >> >> Acked-by: Roger Pau Monné >> > > Hey Jens, > > These patches are on top of patches that add this framework in the Xen tree. > Would you be OK with this patch (and the other which I will CC shortly) > to go through the Xen tree? Sure that's fine. -- Jens Axboe