From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH 4/9] x86/amd: Introduce CPUID/MSR
 definitions for per-vcpu SSBD support
Date: Wed, 5 Dec 2018 17:50:04 +0000
Message-ID: <76dd7107-d69d-7a3f-b72a-4f0f0ee47c44@citrix.com>
References: <1543853902-6257-1-git-send-email-andrew.cooper3@citrix.com>
 <1543853902-6257-5-git-send-email-andrew.cooper3@citrix.com>
 <5C07FF2B02000078002033C5@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>
In-Reply-To: <5C07FF2B02000078002033C5@prv1-mh.provo.novell.com>
Content-Language: en-GB
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: Wei Liu <wei.liu2@citrix.com>, Xen-devel <xen-devel@lists.xen.org>, Brian Woods <brian.woods@amd.com>, Roger Pau Monne <roger.pau@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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==