XEN 5.5.0 and clflush

Larry Baird lab at gta.com
Tue Sep 22 17:19:20 UTC 2009


> > I think I will have to disable CLFLUSH support for intel CPUs when
> > self-snoop
> > is not reported.
> >
> >
> That's the kinda weird part about this though... It's not triggering an
> Invalid Instruction, but a GPF. Looking at AMD's description of how CLFLUSH
> is supposed to work, I don't see why it's faulting with what looks like a
> valid address.
> 
> While this is probably far outside the scope of what their entry-level
> support techs will understand, I can try raising this as a bug with Citrix
> under our support contract if you're confident that this is broken on Xen's
> end.
I keep wondering about comments having to do with AMD processor.  The
native processor is an an Intel Xeon.  Is this piece of the puzzle
important?

Larry

-- 
------------------------------------------------------------------------
Larry Baird                        | http://www.gta.com
Global Technology Associates, Inc. | Orlando, FL
Email: lab at gta.com                 | TEL 407-380-0220, FAX 407-380-6080


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