Re: [RFC] kvm tools: Add support for virtio-mmio

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On Tue, 2011-11-15 at 17:56 +0000, Sasha Levin wrote:
> Hmm... If thats the plan, it should probably be a virtio thing (not
> virtio-mmio specific).
> 
> Either way, it could also use some clarification in the spec.

Well, the spec (p. 2.1) says: "The Subsystem Vendor ID should reflect
the PCI Vendor ID of the environment (it's currently only used for
informational purposes by the guest).". The fact is that all the current
virtio drivers simply ignore this field. So unless this changes I simply
have no idea how to describe that register. "Put anything there, no one
cares"? "Write zero now, may change in future"? Any ideas welcomed.

Cheers!

Paweł

PS. Thanks for defending my honour in the delayed-explosive-device
thread ;-)


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