linux-kernel - Re: [PATCH] i386 tsc: remove xtime_lock'ing around cpufreq notifier

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Message-ID: <461E6FA7.5080605@goop.org>
Date:	Thu, 12 Apr 2007 10:43:03 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Andi Kleen <ak@...ell.com>, Daniel Walker <dwalker@...sta.com>,
	linux-kernel@...r.kernel.org, johnstul@...ibm.com,
	tglx@...utronix.de
Subject: Re: [PATCH] i386 tsc: remove xtime_lock'ing around cpufreq notifier

Andrew Morton wrote:
> hm.  People (ab)use sched_clock() for all sorts of things nowadays.  I wouldn't
> do anything to degrade it just on behalf of printk-timestamping.
>   

printk was the only non-scheduler-ish use I could find.  Are there others?

    J
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