Re: [Xen-devel] [PATCH 0 of 3] Support for VM generation ID save/restore and migrate

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, Dec 16, 2011 at 02:07:16PM +0000, Paul Durrant wrote:
> > -----Original Message-----
> > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> > Sent: 16 December 2011 13:26
> > To: Paul Durrant
> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-devel] [PATCH 0 of 3] Support for VM generation ID
> > save/restore and migrate
> > 
> > On Fri, Dec 16, 2011 at 11:47:26AM +0000, Paul Durrant wrote:
> > > This patch series adds support for preservation of the VM
> > generation
> > > ID buffer address in xenstore across save/restore and migrate, and
> > > also code to increment the value in all cases except for
> > migration.
> > >
> > 
> > Sorry for a stupid question, but what's the usecase for this
> > 'generation ID' ?
> > 
> 
> Pasi,
> 
>   I did mention this before on 1st December. Here's what I said then:
> 
> "I already know there is one OS that consumes this interface and another
> hypervisor that produces it but unfortunately I'm not at liberty to say
> much more because I'm under NDA. Hopefully a spec. will be forthcoming
> at some point."
> 
>   That really is all I believe I'm at liberty to say :-(
> 

Oh, OK. I missed that comment..
Thanks for the info :) 

-- Pasi


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