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Date: Tue, 15 Oct 2013 18:07:54 +0300
From: "Michael S. Tsirkin" <mst@redhat.com>
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Subject: Re: [Qemu-devel] [PULL 42/43] piix4: add acpi pci hotplug support
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: peter.maydell@linaro.org, marcel.a@redhat.com, qemu-devel@nongnu.org, kraxel@redhat.com, Anthony Liguori <anthony@codemonkey.ws>, imammedo@redhat.com

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?