From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@suse.com>
Subject: Re: [PATCH v4] x86/mm: Add mem access rights to NPT
Date: Tue, 24 Jul 2018 06:02:20 -0600
Message-ID: <5B57154C02000078001D72F6@prv1-mh.provo.novell.com>
References: <1532353689-2242-1-git-send-email-aisaila@bitdefender.com>
 <5B56E99D02000078001D706B@prv1-mh.provo.novell.com>
 <31981fe5-90b4-9490-08d9-f58afc28b6b1@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>
In-Reply-To: <31981fe5-90b4-9490-08d9-f58afc28b6b1@citrix.com>
Content-Disposition: inline
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: aisaila@bitdefender.com, george.dunlap@citrix.com
Cc: George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, tamas@tklengyel.com, Razvan Cojocaru <rcojocaru@bitdefender.com>, xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org
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