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    SubjectRe: [RFC 1/6] x86, NMI, Add symbol definition for NMI magic constants
    On 11.09.10 04:50:01, Andi Kleen wrote:
    > 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.

    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



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