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RE: [Xen-ia64-devel] Time for hybrid virtualization?

To: "Xu, Anthony" <anthony.xu@xxxxxxxxx>, "Jarod Wilson" <jwilson@xxxxxxxxxx>, "Alex Williamson" <alex.williamson@xxxxxx>
Subject: RE: [Xen-ia64-devel] Time for hybrid virtualization?
From: "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Date: Mon, 21 Jan 2008 23:16:00 +0800
Cc: xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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Thread-topic: [Xen-ia64-devel] Time for hybrid virtualization?
Xu, Anthony wrote:
> Jarod Wilson wrote:
>> Alex Williamson wrote:
>>> I would expect
>>> RHEL5.x will always support a PV dom0 and not require VT processors
>>> for Xen.
>> Absolutely. And as I mentioned, since RHEL5 supports both PV and HVM
>> guests, we're pretty well committed to whatever ships in RHEL6 doing
>> the same -- or at least providing an easy upgrade path, so that any
>> and all guests created under RHEL5 will continue to be usable under
>> RHEL6.
> Since RHEL5&6 supports PV,
> If we run dom0/domU on VT mode,  how can we handle back-compatibility
> ? run RHEL5&6 on new hypervisor.
Not sure if anybody ever tried to run Xen/IA64 VMM in Xen/IA64 HVM
It may not be already there, but looks like not that far.

It may be used to solve the compatability issues if we move root VMM to
VT-i dom0 based solution.
thx, eddie

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