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authorAndi Kleen <ak@suse.de>2006-01-12 00:45:54 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-12 06:05:00 +0300
commit915f34e20c20ee383832bce0a4bc962d0c86be8d (patch)
tree2e1914cc129361d15e0ad8d888913a0623aef80b /include
parente080e9d66fd276ed34bc2834eedc134189b87fc9 (diff)
downloadlinux-915f34e20c20ee383832bce0a4bc962d0c86be8d.tar.xz
[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 <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86_64/hw_irq.h3
-rw-r--r--include/asm-x86_64/ipi.h4
2 files changed, 2 insertions, 5 deletions
diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index b248930767e7..0df1715dee71 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 022e9d340ad7..2a5c162b7d92 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;
}