[Qemu-devel] Re: [PATCH] vmstate: fix vmstate_subsection_load

[TeLeMan <geleman@gmail.com>]

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SUN OF A BEACH



On Wed, Jul 28, 2010 at 20:32, Juan Quintela <quintela@redhat.com> wrote:
> TeLeMan <geleman@gmail.com> wrote:
>> On Wed, Jul 28, 2010 at 19:51, Juan Quintela <quintela@redhat.com> wrote:
>>> I hope this hepls to understand how subsections are supposed to work.
>>>
>>> Thanks for the comments, Juan.
>>>
>> I see, thanks a lot. But I still hope to have the similar subsection
>> that can be ignored simply.
>
> Then it is better not to be sent in the 1st place.
>
> Do you have any example of why you want to do?  When I dessigned
> subsections, I looked at all the changes that we had from 0.11 to 0.12,
> subsections can handle all of them.  Just curious about what you need.\
>
> Notice that ignoring subsections at this point is not trivial, as
> (sub)sections don't have a size field.  Working on getting size there,
> but it is a long term project (it requires 1st to change everything to
> VMState to be able to change how QEMUFile works).

I have some extra data to be saved to vmstate and I want the new
vmstate to be compatible with the official version. You are right, I
thought it was simple. Now I discard my thought.