Messages in this thread | | | Date | Wed, 11 Dec 2013 17:02:10 +0100 | From | Borislav Petkov <> | Subject | Re: 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. --
| |