From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752680AbbCZTBN (ORCPT ); Thu, 26 Mar 2015 15:01:13 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:25861 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752086AbbCZTBK convert rfc822-to-8bit (ORCPT ); Thu, 26 Mar 2015 15:01:10 -0400 Date: Thu, 26 Mar 2015 15:01:01 -0400 From: Konrad Rzeszutek Wilk To: Roger Pau =?iso-8859-1?Q?Monn=E9?= , axboe@fb.com Cc: Bob Liu , xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com, jennifer.herbert@citrix.com, david.vrabel@citrix.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH RESEND 1/2] xen/blkback: safely unmap purge persistent grants Message-ID: <20150326190101.GB31979@l.oracle.com> References: <1427372161-4964-1-git-send-email-bob.liu@oracle.com> <5514246F.7020909@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <5514246F.7020909@citrix.com> User-Agent: Mutt/1.5.23 (2014-03-12) Content-Transfer-Encoding: 8BIT X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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? Thanks.