From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roger Pau Monne <roger.pau@citrix.com>
Subject: [PATCH v3 6/7] vpci/msix: carve p2m hole for MSIX MMIO
 regions
Date: Tue, 30 Oct 2018 16:41:22 +0100
Message-ID: <20181030154123.4218-7-roger.pau@citrix.com>
References: <20181030154123.4218-1-roger.pau@citrix.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=rlru=nk=citrix.com=prvs=8342f37c0=roger.pau@srs-us1.protection.inumbo.net>)
 id 1gHW9P-0005Ox-NV
 for xen-devel@lists.xenproject.org; Tue, 30 Oct 2018 15:41:51 +0000
In-Reply-To: <20181030154123.4218-1-roger.pau@citrix.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: Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wei.liu2@citrix.com>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>, Julien Grall <julien.grall@arm.com>, Jan Beulich <jbeulich@suse.com>, Roger Pau Monne <roger.pau@citrix.com>
List-Id: xen-devel@lists.xenproject.org
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