Re: [Xen-devel] Q: How to find own domid or uuid from domU?

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 18 May 2006, at 14:18, Markus Armbruster wrote:

> > If it's only management tools looking to obtain info about other
> > running domains, there's already a dom0_op for querying uuid info.
> >
> > Is there any reason a domain needs to know its *own* uuid?
> It's management tools looking to obtain info about their own domain.
>
> Consider a network-enabled stat-gathering, managing, or monitoring
> tool running on domU.  It wants to uniquely identify itself to the
> peer.  IP or MAC can work in some environments, but in others they're
> ephemeral.  UUID would be much better.  It's the only thing that known
> never to change, isn't it?
Ok makes sense.

Adding a new op to the version hypercall will be fine.

 -- Keir


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