Re: [PATCH v3 5/5] tools/xenstore: add migration stream extensions for new features

[Julien Grall <julien@xxxxxxx>]

Hi Juergen,

On 08/08/2022 12:31, Juergen Gross wrote:
> > > And even with using an ID you'd have the same problem
> > > again, but without having the possibility to add variant specific quota
> > Fair enough.
> >
> > > (remember that there already has been a statement that doing a live 
> > > update
> > > from C to OCAML or vice versa would probably break users due to some
> > > deviations in behavior)
> > I can't find such statement in public documentation. Do you have a link?
> No, not really. IIRC this was a remark of Andrew back when we introduced
> LU of Xenstore. It might even have been at the time the discussion was
> only on the security ML.
>
> Note that "users" doesn't need to imply guests, it might be related to
> dom0 side users, like e.g. XAPI.
I understand that "users" doesn't imply guests. Hovewer, it is still not 
quite clear to me what sort of behavior the application could rely on 
here. Is it related to the transaction?
Anyway, I think it would be good to document such behaviors because they 
don't seem to be obvious.
Cheers,

--
Julien Grall