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Date: Mon, 29 Aug 2005 10:00:41 -0700 (PDT)
From: Christoph Lameter <clameter@engr.sgi.com>
To: Pavel Machek <pavel@ucw.cz>
cc: Alex Williamson <alex.williamson@hp.com>, george@mvista.com,
       john stultz <johnstul@us.ibm.com>, linux-kernel@vger.kernel.org
Subject: Re: Need better is_better_time_interpolator() algorithm
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On Sat, 27 Aug 2005, Pavel Machek wrote:

> Usually is the key word here. Older APM stuff changes frequency behind
> your back, and sometimes frequency shift is time-critical.

In that case the clocks tied to the shifting frequency are
not usable.