From mboxrd@z Thu Jan  1 00:00:00 1970
From: Haozhong Zhang <haozhong.zhang@intel.com>
Subject: Re: [RFC Design Doc] Add vNVDIMM support for Xen
Date: Tue, 8 Mar 2016 13:50:11 +0800
Message-ID: <20160308055011.GB26330@hz-desktop.sh.intel.com>
References: <56C1BF9302000078000D202D@prv-mh.provo.novell.com>
 <20160217090105.GD5459@hz-desktop.sh.intel.com>
 <56C4469C02000078000D2F64@prv-mh.provo.novell.com>
 <20160218074227.GC6519@hz-desktop.sh.intel.com>
 <20160219021419.GB30364@localhost.localdomain>
 <20160301073927.GA15170@hz-desktop.sh.intel.com>
 <22229.57468.457255.85569@mariner.uk.xensource.com>
 <20160301184911.GA19728@char.us.oracle.com>
 <20160302071452.GB4064@hz-desktop.sh.intel.com>
 <20160307205302.GA21364@char.us.oracle.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
Content-Disposition: inline
In-Reply-To: <20160307205302.GA21364@char.us.oracle.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: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Juergen Gross <JGross@suse.com>, Kevin Tian <kevin.tian@intel.com>, Wei Liu <wei.liu2@citrix.com>, Ian Campbell <ian.campbell@citrix.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>, George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>, Jan Beulich <JBeulich@suse.com>, Jun Nakajima <jun.nakajima@intel.com>, Xiao Guangrong <guangrong.xiao@linux.intel.com>, Keir Fraser <keir@xen.org>
List-Id: xen-devel@lists.xenproject.org
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