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    SubjectRe: 50 Watt idle power regression bisected to Linux-3.10
    On Wed, Dec 11, 2013 at 03:56:55PM +0100, Ingo Molnar wrote:
    > I think CLFLUSH should be pretty universally available, IIRC
    > graphics drivers were using it rather heavily in combination with
    > write-combining MTRRs, both on Linux and on Windows.

    ... and it is also very expensive. So I don't think it would be in
    Intel's best interest to do CLFLUSH unconditionally on all families but
    only on those which really need to.

    --
    Regards/Gruss,
    Boris.

    Sent from a fat crate under my desk. Formatting is fine.
    --


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