Re: [Qemu-devel] [PULL 42/43] piix4: add acpi pci hotplug support

[Michael S. Tsirkin]

On Tue, Oct 15, 2013 at 04:54:24PM +0200, Paolo Bonzini wrote:
> Il 15/10/2013 16:54, Michael S. Tsirkin ha scritto:
> > > > Seemed cleaner not to.
> > > 
> > > It certainly would be if we had a self-descriptive migration stream 
> > > format.
> > > 
> > > However, what we have is "send bytes, parse them on the destination,
> > > hope the format matches".  Hence, anything that makes the format less
> > > declarative adds to the complication and complicates debugging.  This is
> > > the same reason why I prefer a subsection for the new hotplug stuff---it
> > > makes the format more declarative and self-descriptive.
> > 
> > I understand for the subsection but why is removing
> > useless bytes from there making it less descriptive?
> 
> Because the same version can have multiple formats depending on a datum
> that is not part of the migration stream.
> 
> Paolo

I see. Will it be OK if I'll update the version?