From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chao Gao <chao.gao@intel.com>
Subject: [PATCH v4 1/6] microcode/intel: extend
 microcode_update_match()
Date: Wed, 28 Nov 2018 13:34:11 +0800
Message-ID: <1543383256-12371-2-git-send-email-chao.gao@intel.com>
References: <1543383256-12371-1-git-send-email-chao.gao@intel.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=9OoQ=OH=intel.com=chao.gao@srs-us1.protection.inumbo.net>)
 id 1gRsQt-0005sb-1y
 for xen-devel@lists.xenproject.org; Wed, 28 Nov 2018 05:30:43 +0000
In-Reply-To: <1543383256-12371-1-git-send-email-chao.gao@intel.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
Cc: Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wei.liu2@citrix.com>, Jan Beulich <jbeulich@suse.com>, Chao Gao <chao.gao@intel.com>
List-Id: xen-devel@lists.xenproject.org
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