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SubjectRe: [RFC, PATCH 0/24] VMI i386 Linux virtualization interface proposal
Anthony Liguori wrote:
> Zachary Amsden wrote:
>> This is by no means finished work. A few of the areas that need more
>> attention and exploration are (a) 64bit support is still lacking, but we
>> feel a port of VMI to the 64 bit Linux can be done without too much
>> trouble (b) the Xen compatibility layer needs some work to bring it
>> up to the Xen 3.0 interfaces. Work is underway on this already, and
>> no major issues are expected at this time.
> Hi Zach,
>
> Can you please post the Xen compatibility layer (even if it is for
> 2.0.x). I think it's important to see that code to understand the
> advantages/disadvantages compared to the existing Xen
> paravirtualization interface. Likewise, any Xen performance data
> would be useful as there has been some discussion about whether VMI
> would negatively impact Xen performance[1].

About performance - I actually believe that it is possible to implement
VMI Linux in such a way that it actually has _better_ performance on Xen
than the current XenoLinux kernels.

I'm working on getting together the older interface pieces now.

Zach
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