From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paul Durrant <Paul.Durrant@citrix.com>
Subject: Re: [PATCH 8/8] xen: Swich parameter in
 get_page_from_gfn to use typesafe gfn
Date: Wed, 7 Nov 2018 08:57:46 +0000
Message-ID: <edf7fafc10944dbab6379200ee952104@AMSPEX02CL03.citrite.net>
References: <20181106191454.22143-1-julien.grall@arm.com>
 <20181106191454.22143-9-julien.grall@arm.com>
 <479bb855-0bb7-dd30-a7a4-692b189cc7c5@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 us1-rack-dfw2.inumbo.com ([104.130.134.6])
 by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from
 <srs0=9ib7=ns=citrix.com=prvs=842bfaeda=paul.durrant@srs-us1.protection.inumbo.net>)
 id 1gKJen-0001C0-QC
 for xen-devel@lists.xenproject.org; Wed, 07 Nov 2018 08:57:49 +0000
In-Reply-To: <479bb855-0bb7-dd30-a7a4-692b189cc7c5@citrix.com>
Content-Language: en-US
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: Andrew Cooper <Andrew.Cooper3@citrix.com>, Julien Grall <julien.grall@arm.com>, "sstabellini@kernel.org" <sstabellini@kernel.org>, "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: Kevin Tian <kevin.tian@intel.com>, Wei Liu <wei.liu2@citrix.com>, Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Jun Nakajima <jun.nakajima@intel.com>, "Tim (Xen.org)" <tim@xen.org>, George Dunlap <George.Dunlap@citrix.com>, Julien Grall <julie.grall@arm.com>, Jan Beulich <jbeulich@suse.com>, Ian Jackson <Ian.Jackson@citrix.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Brian Woods <brian.woods@amd.com>
List-Id: xen-devel@lists.xenproject.org
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