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

[Damien Hedde]

On 8/9/19 12:32 PM, Peter Maydell wrote:
> 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?

I don't think so because of the naming schema. I had to forge the
correct name for the reset subsection for every device.
Each subsection must be named after its parent section plus '/something'.

--
Damien