Re: A set of "standard" virtual devices?

Jeff Garzik
2007-04-02T21:34:05Z

Andi Kleen wrote:
>> How would that work in the case where virtualized guests don't have a
>> visible PCI bus, and the virtual environment doesn't pretend to emulate
>> a PCI bus?
>
> If they emulated one with the appropiate device
> then distribution driver auto probing would just work transparently for them.

Yes, but, ideally with paravirtualization you should be able to avoid
the overhead of emulating many major classes of device (storage,
network, RNG, etc.) by developing a low-overhead passthrough interface
that does not involve PCI at all.

Jeff