Re: [Qemu-block] [PATCH v3 07/33] automatically add vmstate for reset support in devices

[Peter Maydell]

On Fri, 9 Aug 2019 at 11:29, Damien Hedde <address@hidden> wrote:
>
> One way to keep the feature without copy-pasting vmsd would be to add
> a new vmstate_register with an additional argument to pass the base
> class vmsd section and handle the whole thing there.

If we have a vmstate section which contains no actual data,
only subsections with 'needed' functions, is it migration
compatible with previous versions in the same way that
tacking a subsection onto an existing function is?

thanks
-- PMM