Re: [Qemu-devel] [PATCH v2 2/2] hw/arm_gic_common: Use vmstate struct rather than save/load functions

[Gerd Hoffmann]

  Hi,

>> (vmstate.h is getting hugely repetitive to the point that I'm
>> really tempted to say we should just autogenerate it. That way
>> you could define a fairly small set of things (arrays, base types,
>> safe vs unsafe, etc) and have a script generate the cross product,
>> rather than the current setup where there is a lot of hand written
>> repetition and a tendency to gaps in the coverage where nobody's
>> using them yet.)

> I can recall a qemu-devel discussion over a long-term QOM goals a while
> ago.Somebody suggested that in the future we will define devices state
> structures using some special macro which will be parsed during
> compilation, serializing each member for both QOM introspection and vmstate
> migration.

That is where I see the future too.  Michael Roth [ cc'ed ] has this on
his agenda.  We have code generation infrastructure for qapi and it
surely makes sense to reuse that for vmstate.

cheers,
  Gerd