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Re: [Xen-devel] running Windows (albeit slowly)

Mark Williamson wrote:
Under the opinion that there is no crime if optimization fails on incorrect code, would it not be appropriate to do all the things necessary to run Windows unmodified albeit poorly slash slowly?

It's not just that the modifications improve performance, guests actually need to be modified to work on Xen at all.

Supporting full virtualization on x86 is *much* more complicated
than Xen-style paravirtualization, mainly because the x86 has some
instructions that are not privileged, but reveal state that needs to
be virtualized.

When Intel's VT extensions come out, supporting unmodified guests will be rather easier.

Is there any information available on what the extensions will be?

Yeah, speech recognition on Linux (and others) is a bit of a pain.

There was recently a big fanfare about IBM open-sourcing some of their
speech recognition code, but I don't know how much development it needs.

--
David Hopwood <david.nospam.hopwood@xxxxxxxxxxxxxxxx>



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