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

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Igor Chubin
> Sent: 30 May 2007 17:10
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] xen over quemu OR quemu in Xen domU on a 
> system with HVM-capable CPU
> 
> 
> 
> Hello all, 
> 
> 
> I know that the question:
> 
> Is it possible to run quemu inside Xen domU
> or run Xen domain 0 on quemu have discussed 
> earlier in this mail list.
> 
> As far as I remember this is possible
> except such a configuration where kquemu acceleration is in use.

That is my understading too - kqemu needs to run in Ring 0, which is
reserved for the hypervisor under Xen. 
> 
> 
> 
> But what about HVM-capable systems?
> 
> 
> Please tell me are there the same restrictions for the 
> hvm-capable systems?

If you load Linux (or such) in HVM mode, you can run kqemu inside that
Linux. I'm not entirely sure I understand the advantage of this,
compared to running the OS you want to run in QEMU inside a HVM virtual
machine in the first place, but yes, it's possible. 

--
Mats
> 
> Thank you!
> 
> 
> -- 
> WBR, i.m.chubin
> 
> 
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