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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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