linux-kernel - Re: [patch-mm 00/28] High resolution timer updates and x86_64 support

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Date:	Thu, 28 Jun 2007 11:47:04 +0200
From:	Andi Kleen <ak@...e.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	Arjan van de Ven <arjan@...radead.org>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	John Stultz <johnstul@...ibm.com>,
	Chris Wright <chrisw@...s-sol.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch-mm 00/28] High resolution timer updates and x86_64 support - V3

On Thursday 28 June 2007 11:42:33 Andrew Morton wrote:

> > The patch set has been tested in the -hrt and -rt trees for quite a while
> > and the initial problems have been sorted out. Thanks to the folks from the
> > PowerTop project for testing and feedback.
> 
> hrm.  Looks like none of your testers have HPET_ID_LEGSUP hardware.  

AFAIK it's only on IBM Summit. You have such a box?

> btw, if you want to know why I go on and on about crappy commenting, try to
> work out from the kernel source code what HPET_ID_LEGSUP is, and why it
> gets special treatment.  It is not possible.  This is not maintainable
> code.

We have a reference somewhere to the HPET spec.

-Andi
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