From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: VM Feature levelling improvements proposal (draft C)
Date: Tue, 18 Feb 2014 11:42:34 -0500
Message-ID: <53038D7A.8030807@oracle.com>
References: <53023729.7020009@citrix.com>
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To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Keir Fraser <keir@xen.org>, Jan Beulich <JBeulich@suse.com>, Jun Nakajima <jun.nakajima@intel.com>, Tim Deegan <tim@xen.org>, Xen-devel List <xen-devel@lists.xen.org>, SuraveeSuthikulpanit <suravee.suthikulpanit@amd.com>, "xiantao.zhang@intel.com" <xiantao.zhang@intel.com>
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On 02/17/2014 11:22 AM, Andrew Cooper wrote:
> Hello,
>
> Here is a design proposal to improve VM feature levelling support in Xen
> and libxc.

In case you haven't seen this you might also find this useful:
http://developer.amd.com/wordpress/media/2012/10/CrossVendorMigration.pdf

It's a slightly different subject but perhaps some of the experiences 
that are listed there could influence your design.

-boris