From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754161Ab0IMBaw (ORCPT ); Sun, 12 Sep 2010 21:30:52 -0400 Received: from va3ehsobe006.messaging.microsoft.com ([216.32.180.16]:20893 "EHLO VA3EHSOBE009.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753530Ab0IMBau (ORCPT ); Sun, 12 Sep 2010 21:30:50 -0400 X-SpamScore: -25 X-BigFish: VPS-25(zzbb2cK936eK1432N98dNzz1202hzz8275bh8275dh5eeePz32i2a8h43h61h) X-Spam-TCS-SCL: 0:0 X-WSS-ID: 0L8NW75-02-CEZ-02 X-M-MSG: Date: Mon, 13 Sep 2010 03:30:41 +0200 From: Robert Richter To: Andi Kleen CC: Peter Zijlstra , Huang Ying , Ingo Molnar , "H. Peter Anvin" , "linux-kernel@vger.kernel.org" Subject: Re: [RFC 1/6] x86, NMI, Add symbol definition for NMI magic constants Message-ID: <20100913013041.GH13563@erda.amd.com> References: <1284087065-32722-1-git-send-email-ying.huang@intel.com> <1284151027.402.123.camel@laptop> <20100911105001.72b73ce8@basil.nowhere.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20100911105001.72b73ce8@basil.nowhere.org> User-Agent: Mutt/1.5.20 (2009-06-14) X-Reverse-DNS: unknown Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11.09.10 04:50:01, Andi Kleen wrote: > On Fri, 10 Sep 2010 22:37:07 +0200 > Peter Zijlstra 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. It is also here: http://support.amd.com/us/Embedded_TechDocs/43009_sb7xx_rrg_pub_1.00.pdf 2.3.3.1.1 IO-Mapped Control Registers -Robert -- Advanced Micro Devices, Inc. Operating System Research Center