Re: Qemu and virtio 1.0

Cornelia Huck
2015-03-02T12:00:32Z

On Mon, 2 Mar 2015 12:43:43 +0100
"Michael S. Tsirkin" <mst@redhat.com> wrote:

> On Wed, Feb 25, 2015 at 02:50:22PM +1030, Rusty Russell wrote:
> > OK, I am trying to experiment with virtio 1.0 support using the
> > latest kernel and MST's qemu tree:
> >
> > https://git.kernel.org/cgit/virt/kvm/mst/qemu.git/?h=virtio-1.0
> >
> > The first issue is that the device config endian was wrong (see
> > attached patch).
> >
> > I'm now setting up a BE guest on my x86 laptop, and a BE and LE guest
> > on a BE powerpc machine, to check that all combinations work correctly.
> > If others test too, that would be appreciated!
> >
> > Cheers,
> > Rusty.
>
> Thanks a lot for finding this!
> The issue is certainly there, though I think looking
> at guest features is not the right thing to do:
> drivers can access config before acking features.

Ah right. I'm just wondering what the device-specific accessors (in net
and so on) will do?