From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: [PATCH 2/7] x86/mm: Factor out the grant flags to pte
	flags conversion logic
Date: Tue, 12 Sep 2017 13:14:41 +0100
Message-ID: <1505218486-4416-3-git-send-email-andrew.cooper3@citrix.com>
References: <1505218486-4416-1-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>
In-Reply-To: <1505218486-4416-1-git-send-email-andrew.cooper3@citrix.com>
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: Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wei.liu2@citrix.com>, Jan Beulich <JBeulich@suse.com>
List-Id: xen-devel@lists.xenproject.org
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