Re: [PATCH RFC] virtio-spec: flexible configuration layout

Michael S. Tsirkin
2012-06-18T12:08:12Z

On Mon, Jun 18, 2012 at 02:05:17PM +0200, Sasha Levin wrote:
> On Mon, 2012-06-18 at 14:54 +0300, Michael S. Tsirkin wrote:
> > On Wed, Nov 09, 2011 at 02:36:43PM +0200, Pekka Enberg wrote:
> > > On Wed, 9 Nov 2011, Sasha Levin wrote:
> > > >They don't exist in kernel code either, for same reason as above.
> > > >
> > > >Nothing will break if we remove it since no one really used it, we were
> > > >probably the first and only implementation of the spec which considered
> > > >them :)
> > >
> > > As long as we are able to run older versions of the KVM tool with
> > > newer kernels and vice versa, I see no reason why we can't drop
> > > 64-bit features from the KVM tool.
> > >
> > > Pekka
> >
> > So what happened? Did you guys do this? Need to know what to do to make
> > progress. IIUC Rusty removed the new fields in 0.9.3.
> > Does your tool still use them? Did any version of the tool released by
> > distros do so?
>
> Yup, they were removed quite a while ago.

Thanks, that's nice. So we can reuse that bit if we need it
and it won't break your code.

--
MST