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authorGlauber de Oliveira Costa <gcosta@redhat.com>2008-03-19 14:25:33 -0300
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:01 +0200
commit17c9ab1eabcc08794064a6e3232ac421664c9ce1 (patch)
tree1c4a6ebc6d3da132737fd14b3554369b2bbd554e /arch/x86/kernel/apic_32.c
parenteb44d0a2a9c4d64ed89044fcf1f75e6a27c42ea7 (diff)
x86: move smp_intr_init away from smpboot_32.c
We move it to apic_32.c, since it's irq related anyway, and only called from that file. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic_32.c')
-rw-r--r--arch/x86/kernel/apic_32.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 6aa93db7faa..c32cc0feb47 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1317,6 +1317,29 @@ void smp_error_interrupt(struct pt_regs *regs)
irq_exit();
}
+#ifdef CONFIG_SMP
+void __init smp_intr_init(void)
+{
+ /*
+ * IRQ0 must be given a fixed assignment and initialized,
+ * because it's used before the IO-APIC is set up.
+ */
+ set_intr_gate(FIRST_DEVICE_VECTOR, interrupt[0]);
+
+ /*
+ * The reschedule interrupt is a CPU-to-CPU reschedule-helper
+ * IPI, driven by wakeup.
+ */
+ set_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
+
+ /* IPI for invalidation */
+ set_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);
+
+ /* IPI for generic function call */
+ set_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
+}
+#endif
+
/*
* Initialize APIC interrupts
*/