From mboxrd@z Thu Jan  1 00:00:00 1970
From: Quan Xu <quan.xu@intel.com>
Subject: [PATCH v2 08/11] IOMMU: propagate IOMMU Device-TLB
	flush error up to iommu_iotlb_flush{, _all} (leaf ones).
Date: Mon, 18 Apr 2016 22:00:08 +0800
Message-ID: <1460988011-17758-9-git-send-email-quan.xu@intel.com>
References: <1460988011-17758-1-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: <1460988011-17758-1-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: Kevin Tian <kevin.tian@intel.com>, dario.faggioli@citrix.com, Feng Wu <feng.wu@intel.com>, Jan Beulich <jbeulich@suse.com>, Quan Xu <quan.xu@intel.com>
List-Id: xen-devel@lists.xenproject.org
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==