linux-kernel - Re: [PATCH] x86: fix cpufreq tsc scaling

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Message-ID: <alpine.LFD.2.00.0905270050460.1762@localhost.localdomain>
Date:	Wed, 27 May 2009 00:52:32 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	lkml <linux-kernel@...r.kernel.org>,
	john stultz <johnstul@...ibm.com>
Subject: Re: [PATCH] x86: fix cpufreq tsc scaling

On Wed, 27 May 2009, Peter Zijlstra wrote:
> Subject: x86: fix cpufreq tsc scaling
> From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Date: Wed May 27 00:32:23 CEST 2009
> 
> For freqency dependent TSCs we only scale the cycles, we do not account
> for the discrepancy in absolute value. Add a constant factor so that:
> 
>   c1 + f1*cyc == c2 + f2*cyc
> 
> LKML-Reference: <new-submission>
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Chucked-on-by: Thomas Gleixner <tglx@...utronix.de>

Hey, you misspelled this. I said "Chuckled-on-by"

     tglx
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