From mboxrd@z Thu Jan  1 00:00:00 1970
From: Quan Xu <quan.xu@intel.com>
Subject: [PATCH v2 1/2] IOMMU/spinlock: Fix a bug found in AMD
	IOMMU initialization.
Date: Wed,  9 Mar 2016 11:08:08 +0800
Message-ID: <1457492889-36625-2-git-send-email-quan.xu@intel.com>
References: <1457492889-36625-1-git-send-email-quan.xu@intel.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: <1457492889-36625-1-git-send-email-quan.xu@intel.com>
List-Unsubscribe: <http://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: <http://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: xen-devel@lists.xen.org
Cc: Dario Faggioli <dario.faggioli@citrix.com>, Jan Beulich <jbeulich@suse.com>, Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>, Quan Xu <quan.xu@intel.com>
List-Id: xen-devel@lists.xenproject.org
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