From mboxrd@z Thu Jan  1 00:00:00 1970
From: Norbert Manthey <nmanthey@amazon.de>
Subject: Re: [PATCH SpectreV1+L1TF v5 4/9] spec: add l1tf-barrier
Date: Tue, 5 Feb 2019 15:23:32 +0100
Message-ID: <2547eea0-2b97-6e28-4bfd-249e7246a35d@amazon.de>
References: <c755dfdd-3c1e-5ccd-983f-11d0b35bb342@suse.com>
 <1548772997-32742-1-git-send-email-nmanthey@amazon.de>
 <1548772997-32742-5-git-send-email-nmanthey@amazon.de>
 <5C4ED1D402000078002119E6@prv1-mh.provo.novell.com>
 <9C03B9BA0200004637554D14@prv1-mh.provo.novell.com>
 <00FAA7AF020000F8B1E090C7@prv1-mh.provo.novell.com>
 <0101A7AF020000F8B1E090C7@prv1-mh.provo.novell.com>
 <5C5323BC0200007800212E15@prv1-mh.provo.novell.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=7kML=QM=amazon.de=prvs=93263f919=nmanthey@srs-us1.protection.inumbo.net>)
 id 1gr1de-0005FC-Of
 for xen-devel@lists.xenproject.org; Tue, 05 Feb 2019 14:23:50 +0000
In-Reply-To: <5C5323BC0200007800212E15@prv1-mh.provo.novell.com>
Content-Language: en-US
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: Jan Beulich <JBeulich@suse.com>
Cc: Juergen Gross <jgross@suse.com>, Tim Deegan <tim@xen.org>, Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wei.liu2@citrix.com>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Dario Faggioli <dfaggioli@suse.com>, Martin Pohlack <mpohlack@amazon.de>, Julien Grall <julien.grall@arm.com>, David Woodhouse <dwmw@amazon.co.uk>, "Martin Mazein(amazein)" <amazein@amazon.de>, xen-devel <xen-devel@lists.xenproject.org>, Julian Stecklina <jsteckli@amazon.de>, Bjoern Doebel <doebel@amazon.de>
List-Id: xen-devel@lists.xenproject.org
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