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SubjectRe: [PATCH] - Mapping ACPI tables as CACHED
On 12/14/2010 08:35 PM, Len Brown wrote:
>
> I'm not sure the concept of checking against E820
> is better than simply calling ioremap_cache() always.
>

I don't think it is. On most systems, non-RAM will be forced uncachable
by the MTRRs anyway, and if we find systems which have problems, we
should be doing this forcing in the PAT subsystem, not in ACPI.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.



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