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Subject: Re: TSC as clocksource
From: Peter Zijlstra <peterz@infradead.org>
To: Rob <roblinux@gmail.com>
Cc: linux-kernel@vger.kernel.org, "Brown, Len" <lenb@kernel.org>,
        tglx <tglx@linutronix.de>
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Date: Mon, 10 Jan 2011 14:44:52 +0100
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On Mon, 2011-01-10 at 09:54 +1100, Rob wrote:
> Want to use TSC as clocksource
> have a Intel Core2 Duo with constant_tsc flag
> TSC should be stable at C1 + C2, it is debatable whether C3 is stable
> 
> Using processor.max_cstate=2 to use only C1 + C2 changes nothing, still get
> Monitor-Mwait will be used to enter C-3 state
> there should be checks before this is forced
> 
> Please CC answers, comments to my email.

Len, Thomas?