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Re: [Xen-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support

Il 25/06/2014 11:55, Michael S. Tsirkin ha scritto:
> You're saying we will reserve a free BAR to address those information to
> expose to guest, but which device does this free BAR belong to? The video
> device? Or PCH/MCH?

If you just want to pass a couple of IDs, then don't, it's a waste.
But I still don't know what problem you are trying to solve,
looking at guest driver did not help.

It's not just a couple of IDs, it's also random fields of the MCH configuration space. Grep drivers/gpu/drm/i915 for bridge_dev.


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