From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@suse.com>
Subject: Re: [PATCH 3/7] x86/mm: Further restrict permissions on
 some virtual mappings
Date: Wed, 03 May 2017 02:49:09 -0600
Message-ID: <5909B5A50200007800156294@prv-mh.provo.novell.com>
References: <1493748326-9582-1-git-send-email-andrew.cooper3@citrix.com>
 <1493748326-9582-4-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: <1493748326-9582-4-git-send-email-andrew.cooper3@citrix.com>
Content-Disposition: inline
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: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: George Dunlap <george.dunlap@eu.citrix.com>, Tim Deegan <tim@xen.org>, Xen-devel <xen-devel@lists.xen.org>
List-Id: xen-devel@lists.xenproject.org
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