From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: [PATCH] x86/paging: Package up the log dirty function
	pointers
Date: Thu, 16 Feb 2017 17:13:04 +0000
Message-ID: <1487265184-21504-1-git-send-email-andrew.cooper3@citrix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: Xen-devel <xen-devel@lists.xen.org>
Cc: George Dunlap <george.dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Tim Deegan <tim@xen.org>, Jan Beulich <JBeulich@suse.com>
List-Id: xen-devel@lists.xenproject.org
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==