Re: [PATCH 13/15] sched: Use a static_key for sched_clock_stable

From: Peter Zijlstra
Date: Wed Jan 22 2014 - 13:43:30 EST

On Wed, Jan 22, 2014 at 07:35:38PM +0100, Markus Trippelsdorf wrote:

> >FYI it happens on real hardware on my machine:

> >[ 60.375384] process: using AMD E400 aware idle routine

> But this is a different issue. I've bisected it to:
> commit 20d1c86a57762f0a33a78988e3fc8818316badd4
> Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Date: Fri Nov 29 15:40:29 2013 +0100
> sched/clock, x86: Rewrite cyc2ns() to avoid the need to disable IRQs
> Reverting the commit "fixes" the issue:

Hurm.. what kind of AMD machine is that?
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