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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support |
| Date: | Wed, 25 Jun 2014 11:59:21 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
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.
Paolo
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