Re: Xen and Vanderpool

[Arun Sharma <arun.sharma@intel.com>]

On 2/16/2005 7:08 AM, jean-paul.pigache@bull.net wrote:
> 
> Steve,
> 
> I have a couple of questions about the support of Vanderpool by Xen :
> 
> "Yes - works just fine. We can currently support an unmodified
> Linux kernel with fully virtualized devices, etc."
> 
> I assume that for the virtualized devices you are using the same 
> Front-End device drivers as the current ones. Correct ?
> 

No, we have done a port of Bochs (bochs.sf.net) to Xen/VT. See tools/ioemu in the unstable tree.

> The work necessary to take benefit of the Vanderpool Technology should 
> be located in the Xen hypervisor.
> Does this require a brand new development or only some changes to the 
> current hypervisor ?
> 
> Will most of these changes be compatible for the support of Vanderpool 
> on IA64 or will the work have to be done twice (for IA32 then for IA64) ?

The Bochs device models should be reusable, but most of the hypervisor code is arch specific.

	-Arun


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