From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH] Revert "cpuidle: Replace ktime_get() with local_clock()"
Date: Thu, 20 Apr 2017 16:41:46 +0200
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To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: ville.syrjala@linux.intel.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
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On Thu, Apr 20, 2017 at 04:37:51PM +0200, Daniel Lezcano wrote:

> >  
> > +	sched_clock_idle_wakeup_event(0);
> > +
> 
> Is it planned to skip this if the tsc is reliable?

Yes. Current code doesn't quite do that, but if you follow that link I
send earlier, I'm about to fix that (again).

Now, if only this Core2 piece of crap would actually boot a recent
kernel, I could go figure out wth is wrong.. :/