From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@arm.com>
Subject: Re: [PATCH v6 18/22] arm/acpi: Permit MMIO access of
 Xen unused devices for Dom0
Date: Wed, 23 Mar 2016 11:50:11 +0000
Message-ID: <56F282F3.70605@arm.com>
References: <1458207668-12012-1-git-send-email-zhaoshenglong@huawei.com>
 <1458207668-12012-19-git-send-email-zhaoshenglong@huawei.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <1458207668-12012-19-git-send-email-zhaoshenglong@huawei.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: Shannon Zhao <zhaoshenglong@huawei.com>, xen-devel@lists.xen.org
Cc: stefano.stabellini@citrix.com, shannon.zhao@linaro.org, peter.huangpeng@huawei.com
List-Id: xen-devel@lists.xenproject.org
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