From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH 22/27] x86/cpuid: Perform max_leaf
 calculations in guest_cpuid()
Date: Thu, 5 Jan 2017 15:02:42 +0000
Message-ID: <271ac8db-a375-bc27-fa33-65e89c2323aa@citrix.com>
References: <1483533584-8015-1-git-send-email-andrew.cooper3@citrix.com>
 <1483533584-8015-23-git-send-email-andrew.cooper3@citrix.com>
 <586E5D69020000780012D6A2@prv-mh.provo.novell.com>
 <fd9eb7da-6b52-8870-1c54-870438bd6d3c@citrix.com>
 <586E6BC2020000780012D75E@prv-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.xen.org>
In-Reply-To: <586E6BC2020000780012D75E@prv-mh.provo.novell.com>
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: Jan Beulich <JBeulich@suse.com>
Cc: Xen-devel <xen-devel@lists.xen.org>
List-Id: xen-devel@lists.xenproject.org
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==