Re: vhost-net patches

["Michael S. Tsirkin" <mst@redhat.com>]

On Thu, Oct 22, 2009 at 10:32:55AM -0700, Shirley Ma wrote:
> On Thu, 2009-10-22 at 10:23 -0700, Shirley Ma wrote:
> > Yes, agreed. One observation is when I enable PCI MSI in guest kernel,
> > I
> > found that even without vhost supportin host kernel the network
> > doesn't
> > work either. So I think this is nothing related to vhost. I need to
> > find
> > why PCI MSI doesn't work for me.
> 
> Let me clarify this, here is the table:
> 
> 1. upstream qemu + guest kernel MSI support --- doesn't work
> 2. upstream qemu + guest kernel no MSI support --- work
> 3. mst qemu git tree + guest kernel MSI support - vhost --- work
> 4. mst qemu git tree + guest kernel MSI support + vhost -- doesn't work

Upstream is Avi's qemu-kvm.git?
So, for a moment taking vhost out of the equation, it seems that MSI was
broken in Avi's tree again, after I forked my tree?


> 
> I hope it's clear.
> 
> thanks
> Shirley