From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Nuernberger, Stefan" <snu@amazon.de>
Subject: Re: [PATCH RFC 41/55] x86_64/mm: map and unmap page
 tables in m2p_mapped
Date: Tue, 19 Mar 2019 16:45:27 +0000
Message-ID: <1553013927.6788.127.camel@amazon.de>
References: <20190207164456.9260-1-wei.liu2@citrix.com>
 <20190207164456.9260-42-wei.liu2@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 all-amaz-eas1.inumbo.com ([34.197.232.57]
 helo=us1-amaz-eas2.inumbo.com)
 by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from
 <SRS0=Z8MQ=RW=amazon.de=prvs=9740aef19=snu@srs-us1.protection.inumbo.net>)
 id 1h6Hrr-0004Ns-U0
 for xen-devel@lists.xenproject.org; Tue, 19 Mar 2019 16:45:35 +0000
In-Reply-To: <20190207164456.9260-42-wei.liu2@citrix.com>
Content-Language: en-US
Content-ID: <9AC3E398D3D0934DADB11D40CB4944AA@amazon.com>
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: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>, "wei.liu2@citrix.com" <wei.liu2@citrix.com>
Cc: "andrew.cooper3@citrix.com" <andrew.cooper3@citrix.com>, "jbeulich@suse.com" <jbeulich@suse.com>, "roger.pau@citrix.com" <roger.pau@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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