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[Xen-users] Dumb 32 on 64 question

To: Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-users] Dumb 32 on 64 question
From: Dylan Martin <dmartin@xxxxxxxxxxxx>
Date: Thu, 7 Jun 2007 12:25:29 -0700
Delivery-date: Thu, 07 Jun 2007 12:23:46 -0700
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I'm unclear about what 32 on 64 means and how one uses it.

I have a 64 bit box running a 64 bit Xen 3.1.0 and a 64 bit dom0.

I want to install a 32 bin HVM domU.  Do I need to do anything
special?  

The new 32-on-64 features in 3.1.0 are only for PV guests and not for
HVM, right?

Will it just act like I was running a 32 bit OS on 64 bit hardware or
will it pretend to be 32 bit hardware?  

Will it use more memory like an OS in 64 bits?

Thanks!
-Dylan

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