From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753316AbbCZPXc (ORCPT ); Thu, 26 Mar 2015 11:23:32 -0400 Received: from smtp.citrix.com ([66.165.176.89]:36792 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752258AbbCZPXb (ORCPT ); Thu, 26 Mar 2015 11:23:31 -0400 X-IronPort-AV: E=Sophos;i="5.11,472,1422921600"; d="scan'208";a="246954527" Message-ID: <5514246F.7020909@citrix.com> Date: Thu, 26 Mar 2015 16:23:27 +0100 From: =?windows-1252?Q?Roger_Pau_Monn=E9?= User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Bob Liu , CC: , , , , Subject: Re: [PATCH RESEND 1/2] xen/blkback: safely unmap purge persistent grants References: <1427372161-4964-1-git-send-email-bob.liu@oracle.com> In-Reply-To: <1427372161-4964-1-git-send-email-bob.liu@oracle.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 8bit X-DLP: MIA1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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