From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Lalancette <clalance@redhat.com>
Subject: Re: How to determine if I am running under Xen?
Date: Fri, 21 Sep 2007 00:30:54 -0400
Message-ID: <46F348FE.20109@redhat.com>
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To: James Harper <james.harper@bendigoit.com.au>
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James Harper wrote:
> Does anyone have a code snippet that I could use (in kernel space) to
> determine if I am running under Xen or not in a HVM domain?
> 
> Thanks
> 
> James

I don't have a code snippet....but a script I saw around here basically 
did "cat /proc/acpi/dsdt | grep xen" to determine whether they were on 
an HVM domain or not.  You can probably pretty easily call the same 
functions that generate the dsdt from the kernel to determine the 
information.

Chris Lalancette