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Re: [Qemu-block] [PATCH v3 07/33] automatically add vmstate for reset su
Re: [Qemu-block] [PATCH v3 07/33] automatically add vmstate for reset support in devices
Fri, 09 Aug 2019 15:02:35 +0200
Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)
Damien Hedde <address@hidden> wrote:
> 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'.
That bit is easy. You jsut named it: "parent_name/subsection_name", no?