linux-kernel - Re: [RFC 1/6] x86, NMI, Add symbol definition for NMI magic constants

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Message-ID: <20100911105001.72b73ce8@basil.nowhere.org>
Date:	Sat, 11 Sep 2010 10:50:01 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Huang Ying <ying.huang@...el.com>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: Re: [RFC 1/6] x86, NMI, Add symbol definition for NMI magic
 constants

On Fri, 10 Sep 2010 22:37:07 +0200
Peter Zijlstra <peterz@...radead.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@...ux.intel.com -- Speaking for myself only.
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