Re: [patch 13/19] GTOD: Mark TSC unusable for highres timers

From: Ingo Molnar
Date: Fri Nov 10 2006 - 08:19:28 EST



* Andi Kleen <ak@xxxxxxx> wrote:

> > we could, but it would have to be almost empty right now :-) Reason:
> > even on systems that have (hardware-initialized) 'perfect' TSCs and
> > which do not support any frequency scaling or power-saving mode, our
> > current TSC initialization on SMP systems introduces a small (1-2 usecs)
> > skew.
>
> On Intel we don't sync the TSC anymore [...]

yeah, after i reported this a few months ago ;-)

Ingo
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