Messages in this thread | | | Subject | Re: [PATCH] - Add IOAPIC NMI support on x86_64 | From | Andi Kleen <> | Date | 19 Jun 2007 02:44:43 +0200 |
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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?
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