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

To: <tgingold@xxxxxxx>
Subject: RE: [Xen-ia64-devel] Time for hybrid virtualization?
From: "Dong, Eddie" <eddie.dong@xxxxxxxxx>
Date: Tue, 22 Jan 2008 10:51:43 +0800
Cc: Alex Williamson <alex.williamson@xxxxxx>, xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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Thread-topic: [Xen-ia64-devel] Time for hybrid virtualization?
tgingold@xxxxxxx wrote:
> Quoting "Dong, Eddie" <eddie.dong@xxxxxxxxx>:
>> Not sure if anybody ever tried to run Xen/IA64 VMM in Xen/IA64 HVM
>> guest? It may not be already there, but looks like not that far.
> I tried in the past, but it doesn't work out of the box.  You of
> course can't run bare Xen within VTi, but a modified version can run. 

Why?  The goal of hardware virtualization is to provide architecture
equavalent virtualization. We may see the gap.

>> It may be used to solve the compatability issues if we move root VMM
>> to new VT-i dom0 based solution.
> But performances are not good.

Yes, we need to see the gap too, but I think the additional degradation
be big.


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