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Date: Sat, 11 Sep 2010 10:50:01 +0200
From: Andi Kleen <andi@firstfloor.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Huang Ying <ying.huang@intel.com>, Ingo Molnar <mingo@elte.hu>,
        "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re: [RFC 1/6] x86, NMI, Add symbol definition for NMI magic
 constants
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On Fri, 10 Sep 2010 22:37:07 +0200
Peter Zijlstra <peterz@infradead.org> wrote:

> On Fri, 2010-09-10 at 10:51 +0800, Huang Ying wrote:
> > +       return inb(NMI_REASON_PORT);
> 
> I've always wondered, where is this magic stuff documented?

In the datasheet of the chipset. But sometimes you need
to dig deeper to get a global picture including all chipsets.

-Andi
-- 
ak@linux.intel.com -- Speaking for myself only.