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-rw-r--r--arch/x86_64/kernel/entry.S3
-rw-r--r--arch/x86_64/kernel/i8259.c3
-rw-r--r--arch/x86_64/kernel/smp.c5
-rw-r--r--arch/x86_64/kernel/traps.c7
-rw-r--r--include/asm-x86_64/hw_irq.h3
-rw-r--r--include/asm-x86_64/ipi.h4
6 files changed, 3 insertions, 22 deletions
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 300555bc56b..632fc0f59fc 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -1040,9 +1040,6 @@ ENTRY(machine_check)
CFI_ENDPROC
#endif
-ENTRY(call_debug)
- zeroentry do_call_debug
-
ENTRY(call_softirq)
CFI_STARTPROC
movq %gs:pda_irqstackptr,%rax
diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index 6e5101ad3d1..b61965f0fb3 100644
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -549,10 +549,9 @@ void __init init_IRQ(void)
int vector = FIRST_EXTERNAL_VECTOR + i;
if (i >= NR_IRQS)
break;
- if (vector != IA32_SYSCALL_VECTOR && vector != KDB_VECTOR) {
+ if (vector != IA32_SYSCALL_VECTOR)
set_intr_gate(vector, interrupt[i]);
}
- }
#ifdef CONFIG_SMP
/*
diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c
index 6a666d248c1..19ef012b1f1 100644
--- a/arch/x86_64/kernel/smp.c
+++ b/arch/x86_64/kernel/smp.c
@@ -281,11 +281,6 @@ void flush_tlb_all(void)
on_each_cpu(do_flush_tlb_all, NULL, 1, 1);
}
-void smp_kdb_stop(void)
-{
- send_IPI_allbutself(KDB_VECTOR);
-}
-
/*
* this function sends a 'reschedule' IPI to another CPU.
* it goes straight through and wastes no time serializing
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 0827b141c05..5dee23ba074 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -910,11 +910,6 @@ asmlinkage void math_state_restore(void)
me->thread_info->status |= TS_USEDFPU;
}
-void do_call_debug(struct pt_regs *regs)
-{
- notify_die(DIE_CALL, "debug call", regs, 0, 255, SIGINT);
-}
-
void __init trap_init(void)
{
set_intr_gate(0,&divide_error);
@@ -944,8 +939,6 @@ void __init trap_init(void)
set_system_gate(IA32_SYSCALL_VECTOR, ia32_syscall);
#endif
- set_intr_gate(KDB_VECTOR, call_debug);
-
/*
* Should be a barrier for any external CPU state.
*/
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;
}