[PATCHv2 0/2] vhost: a kernel-level virtio server

Michael S. Tsirkin mst at redhat.com
Wed Aug 12 06:06:12 PDT 2009


On Wed, Aug 12, 2009 at 02:52:01PM +0200, Arnd Bergmann wrote:
> On Wednesday 12 August 2009, Gregory Haskins wrote:
> > >> Are you saying SRIOV is a requirement, and I can either program the
> > >> SRIOV adapter with a mac or use promis?  Or are you saying I can use
> > >> SRIOV+programmed mac OR a regular nic + promisc (with a perf penalty).
> > > 
> > > SRIOV is not a requirement. And you can also use a dedicated
> > > nic+programmed mac if you are so inclined.
> > 
> > Makes sense.  Got it.
> > 
> > I was going to add guest-to-guest to the test matrix, but I assume that
> > is not supported with vhost unless you have something like a VEPA
> > enabled bridge?
> > 
> 
> If I understand it correctly, you can at least connect a veth pair
> to a bridge, right? Something like
> 
>            veth0 - veth1 - vhost - guest 1 
> eth0 - br0-|
>            veth2 - veth3 - vhost - guest 2
>           
> It's a bit more complicated than it need to be, but should work fine.
> 
> 	Arnd <><

Heh, you don't need a bridge in this picture:

guest 1 - vhost - veth0 - veth1 - vhost guest 2



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