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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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