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| author | Andi Kleen <ak@suse.de> | 2006-01-11 22:45:54 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 19:05:00 -0800 |
| commit | 915f34e20c20ee383832bce0a4bc962d0c86be8d (patch) | |
| tree | 2e1914cc129361d15e0ad8d888913a0623aef80b /arch/x86_64 | |
| parent | e080e9d66fd276ed34bc2834eedc134189b87fc9 (diff) | |
| download | linux-3.10-915f34e20c20ee383832bce0a4bc962d0c86be8d.tar.gz linux-3.10-915f34e20c20ee383832bce0a4bc962d0c86be8d.tar.bz2 linux-3.10-915f34e20c20ee383832bce0a4bc962d0c86be8d.zip | |
[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 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/kernel/entry.S | 3 | ||||
| -rw-r--r-- | arch/x86_64/kernel/i8259.c | 3 | ||||
| -rw-r--r-- | arch/x86_64/kernel/smp.c | 5 | ||||
| -rw-r--r-- | arch/x86_64/kernel/traps.c | 7 |
4 files changed, 1 insertions, 17 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,÷_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. */ |