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Date:	Sun, 23 Feb 2014 04:53:08 +0000
From:	"Cui, Dexuan" <>
To:	Pasi K?rkk?inen <>
CC:	"" <>,
	"" <>,
	"" <>,
	"Tian, Kevin" <>,
	"White, Michael L" <>,
	"Dong, Eddie" <>,
	"Li, Susie" <>,
	"Cowperthwaite, David J" <>,
	"Haron, Sandra" <>,
	Lars Kurth <>
Subject: RE: [Xen-devel] [Announcement] Updates to XenGT - a Mediated
 Graphics Passthrough Solution from Intel

Pasi Kärkkäinen wrote on 2014-02-22:
> On Fri, Feb 21, 2014 at 02:22:11AM +0000, Cui, Dexuan wrote:
>> Pasi Kärkkäinen wrote on 2014-02-21:
>>> On Thu, Feb 20, 2014 at 07:59:04AM +0000, Cui, Dexuan wrote:
>>>> Hi all, We're pleased to announce an update to XenGT since its first
>>>> disclosure in last Sep.
>>> Are you going to work on upstreaming this stuff? Xen 4.4 will be
>>> released soon(ish), so the Xen 4.5 development window starts in the near
>>> future and hopefully this stuff can be upstreamed then..
>> Hi Pasi,
>> We do plan to upstream but not give a timeframe so far.
> Ok. Would you like to post an article on the Xen blog about XenGT ?
> I think that would be a good thing to do to get more visibility for this feature.
As I mentioned in the previous mail, we already have a blog article, which
can be easily found by googling xengt: :-)

>>> Also: Haswell ("4th generation Intel core CPU") is listed as a
>>> requirement in the Setup Guide PDF.. will there be support for SNB/IVB
>>> GPUs aswell?
>> There is no plan for SNB/IVB.
> Is that because of some hardware limitation on earlier GPU generations,
> or just a matter of amount of work needed to support XenGT on earlier
> GPUs?
> -- Pasi
No HW limitation on earlier GPUs -- actually you can even see some unused
codes about earlier generations in the linux-vgt.patch.
At present we'd like to focus on HSW (and newer generation in future).

-- Dexuan

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