From owner-freebsd-xen@FreeBSD.ORG  Fri Aug 10 02:27:34 2012
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From: Sean Bruno <seanbru@yahoo-inc.com>
To: arvind viswanathan <arvind.viswanathan@gmail.com>
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Date: Thu, 09 Aug 2012 19:25:43 -0700
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Cc: "freebsd-xen@freebsd.org" <freebsd-xen@freebsd.org>
Subject: Re: Q on types of xen virtualization
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On Thu, 2012-08-09 at 17:28 -0700, arvind viswanathan wrote:
> Thanks Sean. the freebsd that I use does not have xen related change set.
> So is it a Xen HVM or is it simply HVM. Also in case of 64 bit, its
> mentioned that if xen drivers are supported performance improves ? Any
> numbers on the improvement on that was achieved with and without the xen
> drivers ?
> Thanks
> Arvind

*IF* you are booting a 64bit FreeBSD vm, it will be HVM until you
recompiled using the XENHVM kernel config to build and install a new
kernel.

Sean