Re: [Xen-users] xen over quemu OR quemu in Xen domU on a system with HVM-capable CPU

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

Igor,

Just to clarify

> > Actually, I want to run
> >
> > quemu + kquemu inside Xen Domain 0 on the HVM-capable system.

What are you actually trying to achieve here?  It would probably help us 
understand what you wanted to do better if we knew why.

Cheers,
Mark

> No, because kqemu is still requiring access to ring 0 protection level
> (that's the highest privilege level), which is still not available to
> anything other than the hypvervisor itself - you can get a "different"
> ring 0 for guest domains, but that's not in Dom0.
>
> So the answer to this question is the same as for non-HVM capable
> systems.
>
> I still don't quite understand what the purpose of running kqemu on top
> of a HVM-capable system is, as it's almost certain to be no faster than
> running a HVM domain itself. It may not be FASTER to run the HVM domain
> either - depending on what's going on in the domain, but most cases it
> probably is.
>
> --
> Mats
>
> > Is it possible?
> >
> > > Thank you!
> > >
> > >
> > > --
> > > WBR, i.m.chubin
> > >
> > >
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> >
> > --
> > WBR, i.m.chubin
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users



-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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