Re: [Qemu-devel] [PATCH v2] i.MX: implement a more correct version of EPIT timer.

[Jean-Christophe DUBOIS]

On 04/10/2013 10:07 PM, Peter Maydell wrote:
> On 10 April 2013 21:02, Jean-Christophe DUBOIS <address@hidden> wrote:
> >   static const VMStateDescription vmstate_imx_timerp = {
> >       .name = "imx-timerp",
> > -    .version_id = 1,
> > +    .version_id = 2,
> >       .minimum_version_id = 1,
> >       .minimum_version_id_old = 1,
> I said "all the version id fields" but you've only changed one.
> (I'm assuming you don't want to try to support old-to-new
> migration, which is the case where the minimum and current IDs
> differ; in that case you need to annotate fields with the
> version they appear in and you can't delete or rename them.)
To be honest with you Peter, I don't even know how these state 
information are used.

I never practiced VM migration with Qemu for now.

Actually if you had a few pointers to a decent explanation, I would be 
interested.

JC
> thanks
> -- PMM