Re: [Xen-devel] how QEMU is integrated with xen

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sat, Jan 25, 2014 at 07:19:54AM -0800, xennn wrote:
> hi all 
> 
> i would like to know how qemu is integrated with xen and what is the aim of
> QEMU in Xen's system?
> 

Xen uses Qemu as a 'device model' for HVM guests, so for emulating various 
legacy x86 hardware in the VM.
Xen also uses Qemu as a VNC server for PV guests, for their PV graphical 
console, and possibly for disk backend emulation in dom0 (qdisc).

> As far as i know kQEMU is hardware assisted virtualization tool and i would
> like to know what is kQEMU role in xen archtecture?
> 

Xen hypervisor itself is the 'hardware assisted virtualization tool',
so Qemu is only used for other tasks in Xen.

Hopefully that helps..

-- Pasi

> 
> Best Regards
> 
> 
> 
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