Feedback: PCI device spec

On Tue, 2014-01-28 at 16:23 +0000, Michael S. Tsirkin wrote:
> If it's not a virtio requirement, I'm not sure we should put this
> in spec - also logo requirements change.
> I think it's best for drivers to ignore class, if we document
> it this invites drivers to check class.  So what will you say to a guy looking at our spec and implementing a virtio device, when the PCI spec wants him to put a number into this field?  Pawel