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Subject: Re: Q: sched_clock() vs. clocksource, how to implement correctly
From: Peter Zijlstra <peterz@infradead.org>
To: Johannes Stezenbach <js@sig21.net>
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Date: Sun, 25 Apr 2010 16:36:14 +0200
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On Sat, 2010-04-24 at 22:50 +0200, Johannes Stezenbach wrote:
> Somehow I got the impression that cnt32_to_63() is old-style,

Not really, the biggest problem it has is that is not SMP aware. I did
some patches for that at one time, but people objected for some reason.