linux-kernel - Re: [PATCH] i386: fix TSC clock source calibration error [part 2]

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Message-ID: <20071022114203.GA27713@elte.hu>
Date:	Mon, 22 Oct 2007 13:42:03 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Dave Johnson <djohnson+linux-kernel@...starentnetworks.com>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Greg KH <gregkh@...e.de>, Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH] i386: fix TSC clock source calibration error [part 2]


* Dave Johnson <djohnson+linux-kernel@...starentnetworks.com> wrote:

> The previous patch wasn't correctly handling the 'count' variable.  If 
> a CPU gave bad results on the 1st or 2nd run but good results on the 
> 3rd, it wouldn't do the correct thing.  No idea if any such CPU 
> exists, but the patch below handles that case by discarding the bad 
> runs.
> 
> If a bad result (too quick, or too slow) occurs on any of the 3 runs 
> it will be discarded.
> 
> Also updated some comments to explain what's going on.

thanks - applied in addition to your previous patch.

	Ingo
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