From 915f34e20c20ee383832bce0a4bc962d0c86be8d Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 11 Jan 2006 22:45:54 +0100 Subject: [PATCH] x86_64: Remove useless KDB vector It was set as an NMI, but the NMI bit always forces an interrupt to end up at vector 2. So it was never used. Remove. Signed-off-by: Andi Kleen Signed-off-by: Linus Torvalds --- include/asm-x86_64/hw_irq.h | 3 ++- include/asm-x86_64/ipi.h | 4 ---- 2 files changed, 2 insertions(+), 5 deletions(-) (limited to 'include') diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h index b248930767e..0df1715dee7 100644 --- a/include/asm-x86_64/hw_irq.h +++ b/include/asm-x86_64/hw_irq.h @@ -51,7 +51,8 @@ struct hw_interrupt_type; #define ERROR_APIC_VECTOR 0xfe #define RESCHEDULE_VECTOR 0xfd #define CALL_FUNCTION_VECTOR 0xfc -#define KDB_VECTOR 0xfb /* reserved for KDB */ +/* fb free - please don't readd KDB here because it's useless + (hint - think what a NMI bit does to a vector) */ #define THERMAL_APIC_VECTOR 0xfa #define THRESHOLD_APIC_VECTOR 0xf9 /* f8 free */ diff --git a/include/asm-x86_64/ipi.h b/include/asm-x86_64/ipi.h index 022e9d340ad..2a5c162b7d9 100644 --- a/include/asm-x86_64/ipi.h +++ b/include/asm-x86_64/ipi.h @@ -38,10 +38,6 @@ static inline unsigned int __prepare_ICR (unsigned int shortcut, int vector, uns 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; } -- cgit v1.2.3