From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paul Durrant <paul.durrant@citrix.com>
Subject: [PATCH v4 15/15] x86: extend the map and unmap
 iommu_ops to support grant references
Date: Wed, 1 Aug 2018 14:40:28 +0100
Message-ID: <20180801134028.1654-16-paul.durrant@citrix.com>
References: <20180801134028.1654-1-paul.durrant@citrix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xenproject.org>
Received: from all-amaz-eas1.inumbo.com ([34.197.232.57])
 by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from
 <srs0=sdpe=kq=citrix.com=prvs=744ee64bb=paul.durrant@srs-us1.protection.inumbo.net>)
 id 1fkref-0002E5-Pi
 for xen-devel@lists.xenproject.org; Wed, 01 Aug 2018 13:59:09 +0000
In-Reply-To: <20180801134028.1654-1-paul.durrant@citrix.com>
List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xenproject.org>
List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help>
List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xenproject.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
To: xen-devel@lists.xenproject.org
Cc: Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wei.liu2@citrix.com>, George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>, Julien Grall <julien.grall@arm.com>, Paul Durrant <paul.durrant@citrix.com>, Jan Beulich <jbeulich@suse.com>
List-Id: xen-devel@lists.xenproject.org
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=