Re: [PATCH 12/12] xen/mtrr: Add mtrr_if support for Xen mtrr

[H. Peter Anvin]

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/