Re: [Qemu-devel] [PATCH 0/4] migration: Improve subsections detection

[Avi Kivity <avi@redhat.com>]

On 10/04/2011 08:35 PM, Juan Quintela wrote:
> Avi Kivity<avi@redhat.com>  wrote:
> >  On 10/04/2011 04:38 PM, Juan Quintela wrote:
> >>  Hi
> >>
> >>  This series move the subsections detection code form:
> >>  - Look that it starts form 5
> >>  To:
> >>  - Look that it starts form 5 (SUBSECTION)
> >>  - Look at the length
> >>  - Look that length is bigger than section name
> >>  - Look at the idstr and see that it starts with the subsection name.
> >>
> >>  Please review.
> >>
> >
> >  The original intent with subsections was to register them as a new
> >  vmstate section, with just a name relationship.
> >
> >  Can we rename .subsections to .old_and_semi_broken_subsections, and
> >  introduce a new .subsections field that works properly in all cases?
>
> Not easily. We can try to do something, but the problem is that
> subsection are just that "sub", and we should have to be very careful
> with post-load handlers.
>

If necessary the subsection's post-load handler can re-run the main 
post-load handler (or it can even be the same post-load handler, 
unconditionally).  We just have to make sure that post-load handlers are 
idempotent.

-- 
error compiling committee.c: too many arguments to function