RE: [Xen-devel] [PATCH 1/2] graphics passthrough with VT-d

["Han, Weidong" <weidong.han@xxxxxxxxx>]

Stefano Stabellini wrote:
> On Wed, 16 Sep 2009, Han, Weidong wrote:
>> I heard VT-d didn't work with stubdom, it needs some efforts to
>> support it. Actually I didn't try stubdom with VT-d. 
>> 
> 
> You are right, currently stubdom doesn't work with passthrough.
> I have a patch series to make it work but it is not finished yet and I
> have been pulled on other projects; I hope to resume my work on that
> in the near future.
> 
> In any case the fact the currently passthrough doesn't work with
> stubdom is not a good reason for introducing even more problematic
> changes.

There are many changes on qemu for gfx passthrough, copying and mapping vbios 
in qemu just a small part. If other changes on qemu can be implemented 
correspondingly in stubdom, why not copying and mapping vbios in qemu?

Regards,
Weidong
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