RE: [Xen-users] 32bit DomuU on 64-bit Xen

To:	"Thomas Harold" <tgh@xxxxxxxxxxxx>
Subject:	RE: [Xen-users] 32bit DomuU on 64-bit Xen
From:	"Petersson, Mats" <Mats.Petersson@xxxxxxx>
Date:	Wed, 25 Oct 2006 09:44:18 +0200
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> -----Original Message-----
> From: Thomas Harold [mailto:tgh@xxxxxxxxxxxx] 
> Sent: 24 October 2006 21:27
> To: Petersson, Mats
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] 32bit DomuU on 64-bit Xen
> 
> Petersson, Mats wrote:
> > 
> > Ehm, no you CAN NOT run 32-bit DomU on a 64-bit Xen/Dom0, 
> because all
> > kernel modes must be the same (32-bit no PAE, 32-bit PAE or 
> 64-bit). 
> 
> Just to cross-check my own understanding, this only applies to 
> para-virtualized 32bit DomUs under a 64bit hypervisor host?  Can HVM 
> DomUs can be anything under the sun?

As long as the hypervisor/Dom0 is "better" than the HVM guest, yes. So
if you want to be able to "run anything", you should use a 64-bit
Xen/Dom0. 

--
Mats



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RE: [Xen-users] 32bit DomuU on 64-bit Xen