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Date: Sat, 19 May 2007 13:34:27 +1000
From: Paul Mackerras <paulus@samba.org>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Subject: Re: [PATCH 2.6.21-rt2] PowerPC: decrementer clockevent driver
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Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
	Dave Liu <r63238@freescale.com>, tglx@linutronix.de, mingo@elte.hu
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Sergei Shtylyov writes:

>     Yeah, the classic decrementer is programmed off-by-one.

Actually it's programmed off by slightly less than one half on
average, but it doesn't matter since the error doesn't accumulate.

Paul.