Messages in this thread | | | Date | Tue, 28 Sep 2010 10:56:12 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 12/12] xen/mtrr: Add mtrr_if support for Xen mtrr |
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On 09/28/2010 10:13 AM, Jeremy Fitzhardinge wrote: > > Yes, we could just mask out the MTRR CPU feature and rely entirely on PAT. > > The alternative would be to use the wrmsr hooks to emulate the Intel > MTRR registers by mapping them to hypercalls, but that seems needlessly > complex. >
Indeed. Relying on pure PAT is the Right Thing[TM].
-hpa
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