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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.


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

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