(Note: Patch also attached because the inline version is certain to get line wrapped.) Declare NMI_VECTOR and handle it in the IPI sending code. Signed-off-by: Jan Beulich <[email protected]> diff -Npru 2.6.13/include/asm-x86_64/hw_irq.h 2.6.13-x86_64-nmi-ipi/include/asm-x86_64/hw_irq.h --- 2.6.13/include/asm-x86_64/hw_irq.h 2005-08-29 01:41:01.000000000 +0200 +++ 2.6.13-x86_64-nmi-ipi/include/asm-x86_64/hw_irq.h 2005-03-16 12:24:42.000000000 +0100 @@ -26,6 +26,7 @@ struct hw_interrupt_type; #endif +#define NMI_VECTOR 0x02 /* * IDT vectors usable for external interrupt sources start * at 0x20: diff -Npru 2.6.13/include/asm-x86_64/ipi.h 2.6.13-x86_64-nmi-ipi/include/asm-x86_64/ipi.h --- 2.6.13/include/asm-x86_64/ipi.h 2005-08-29 01:41:01.000000000 +0200 +++ 2.6.13-x86_64-nmi-ipi/include/asm-x86_64/ipi.h 2005-09-01 11:32:12.000000000 +0200 @@ -31,9 +31,20 @@ static inline unsigned int __prepare_ICR (unsigned int shortcut, int vector, unsigned int dest) { - unsigned int icr = APIC_DM_FIXED | shortcut | vector | dest; - if (vector == KDB_VECTOR) - icr = (icr & (~APIC_VECTOR_MASK)) | APIC_DM_NMI; + unsigned int icr = shortcut | dest; + + switch (vector) { + default: + icr |= APIC_DM_FIXED | vector; + break; + case NMI_VECTOR: + /* + * Setup KDB IPI to be delivered as an NMI + */ + case KDB_VECTOR: + icr |= APIC_DM_NMI; + break; + } return icr; }
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