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    SubjectRe: [PATCH] - Add IOAPIC NMI support on x86_64
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    John Keller <jpk@sgi.com> writes:

    > Add support for IOAPIC NMI interrupts on x86_64.
    >
    > Changes include the following:
    >
    > - Obtain the NMI IOAPIC info via an ACPI NMI SRC structure that is
    > part of the MADT, and program the IOAPIC redirection register.
    > The NMI SRC struct will contain the GSI of the NMI interrupt.
    >
    > - Setup irq_desc[] and irq_2_pin[] entries for the NMI interrupt irq,
    > which will be used by the generic mask/unmask routines. This will
    > allow a driver to enable/disable the NMI interrupt via
    > enable/disable_irq().

    What's the motivation for this patch?

    -Andi
    -
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