Re: [Qemu-devel] virtio 1.0 state?

[Gerd Hoffmann]

On Di, 2015-05-26 at 11:10 +0200, Cornelia Huck wrote:
> On Fri, 22 May 2015 15:56:13 +0200
> Gerd Hoffmann <address@hidden> wrote:
> 
> >   Hi,
> > 
> > Where we are in terms of virtio 1.0 support in qemu?
> > 
> > There hasn't been much activity in mst's virtio-1.0 branch recently, at
> > least not in the public version of it.  And it doesn't rebase easily to
> > latest master any more ;(
> 
> FWIW, an untested branch with the virtio-1.0 patches + some of my
> virtio-1.0 stuff on top rebased against current master can be found
> here:
> 
> git://github.com/cohuck/qemu virtio-1

Thanks.

> > 
> > What are the blocking issues?  Anything I can do to speed up things?
> > Any chance we can get the core changes merged (64bit features for
> > example), even if virtio 1.0 support for virtio-pci is not ready yet?
> 
> The main issues currently are feature bit handling (legacy vs.
> transitional vs. modern) and migration. A prereq for fixing the first
> is moving host feature bits out of the transport, for which I have a
> patch floating around. The rest needs more thought before we can
> proceed, I fear.

So, with the 2.4 schedule just announced it doesn't sound like very
realistic that we'll have virtio 1.0 support in qemu 2.4.

That kind-of ruins my plans to have virtio-input and virtio-gpu as
non-transitional devices in qemu 2.4 :(

cheers,
  Gerd