Re: [Xen-devel] When is Dom0 coming into current kernel?

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Oct 08, 2008 at 06:53:51PM +0200, Andreas Günther wrote:
> Okay, let me first digest. I must first understand. I'm still learning about 
> Xen.
> 

Please don't top post.. :) 

I think 32-on-64 feature was first introduced in Xen 3.1. 

RHEL 5.2 (and CentOS 5.2) has 32-on-64 as a 'technology preview'. Xen
hypervisor on RHEL5.2/CentOS5.2 is 3.1.2+patches. 

So I think Xen 3.2.x and Xen 3.3.x should both be able to run 32-on-64.

Citrix Xenserver 5 (commercial product) uses 32bit dom0 on 64bit Xen
hypervisor:

http://forums.citrix.com/thread.jspa?threadID=236592&tstart=0

-- Pasi

> Bye
> 
> Andreas 
> > Actually you should be able to run 32bit (PAE) dom0 with 64bit xen
> > hypervisor! DomU's can be both 32bit (PAE) and 64bit, not depending on dom0
> > used.
> >
> > You need to have new enough Xen hypervisor to support "32-on-64".
> 
> 

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