From: Ben Guthro <bguthro@virtualiron.com>
To: Morten Hansen <paradigm__82@hotmail.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: Xen inside Xen with VMX?
Date: Thu, 31 Jan 2008 07:07:58 -0500 [thread overview]
Message-ID: <47A1BA1E.3000305@virtualiron.com> (raw)
In-Reply-To: <BAY108-W29AA42923E886CC6DEA3A3C0370@phx.gbl>
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Current VT implementations do not have this ability, AFAIK.
Morten Hansen wrote:
> Hello,
>
> out of curiosity, I was wondering if it is possible to support
> recursive emulation in Xen, i.e. if it is possible to have Xen as a
> guest in Xen (possibly with other guests inside those Xen's)? I'm
> particularly curious if this is possible when running Xen using
> Intel's VT extensions (or AMD's Pacifica), i.e. do these enhancements
> provide the hypervisor with enough control that it can virtualize the
> virtualization enhancements themselves (without a prohibitive loss in
> performance)?
> If it's not possible I guess VT etc. doesn't really offer true
> emulation since the guest would be able to detect the emulation by
> noticing that it wasn't itself able to become a hypervisor.
>
> Thank you in advance!
>
> Best regards,
>
> MH
>
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next prev parent reply other threads:[~2008-01-31 12:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-31 11:00 Xen inside Xen with VMX? Morten Hansen
2008-01-31 11:09 ` pradeep singh rautela
2008-01-31 12:07 ` Ben Guthro [this message]
2008-01-31 13:33 ` Daniel Stodden
2008-01-31 21:14 ` Morten Hansen
2008-02-01 3:20 ` Mark Williamson
2008-02-01 10:31 ` Daniel Stodden
2008-01-31 17:53 ` Mark Williamson
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