x86: introduce smp_intr_init() in irqinit_32.c

Impact: cleanup

Reviewed-by Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 33 insertions, 28 deletions

diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index c5cb769db7b0..df0aad5a0624 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -121,6 +121,38 @@ static void __init init_ISA_irqs(void)
 /* Overridden in paravirt.c */
 void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
 
+static void __init smp_intr_init(void)
+{
+#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP)
+        /*
+         * The reschedule interrupt is a CPU-to-CPU reschedule-helper
+         * IPI, driven by wakeup.
+         */
+        alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
+
+        /* IPIs for invalidation */
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+0, invalidate_interrupt0);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+1, invalidate_interrupt1);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+2, invalidate_interrupt2);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+3, invalidate_interrupt3);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+4, invalidate_interrupt4);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+5, invalidate_interrupt5);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+6, invalidate_interrupt6);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+7, invalidate_interrupt7);
+
+        /* IPI for generic function call */
+        alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
+
+        /* IPI for single call function */
+        alloc_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
+                                 call_function_single_interrupt);
+
+        /* Low priority IPI to cleanup after moving an irq */
+        set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
+        set_bit(IRQ_MOVE_CLEANUP_VECTOR, used_vectors);
+#endif
+}
+
 /**
  * x86_quirk_pre_intr_init - initialisation prior to setting up interrupt vectors
  *
@@ -158,34 +190,7 @@ void __init native_init_IRQ(void)
         }
 
 
-#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP)
-        /*
-         * The reschedule interrupt is a CPU-to-CPU reschedule-helper
-         * IPI, driven by wakeup.
-         */
-        alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
-
-        /* IPIs for invalidation */
-        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+0, invalidate_interrupt0);
-        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+1, invalidate_interrupt1);
-        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+2, invalidate_interrupt2);
-        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+3, invalidate_interrupt3);
-        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+4, invalidate_interrupt4);
-        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+5, invalidate_interrupt5);
-        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+6, invalidate_interrupt6);
-        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+7, invalidate_interrupt7);
-
-        /* IPI for generic function call */
-        alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
-
-        /* IPI for single call function */
-        alloc_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
-                                 call_function_single_interrupt);
-
-        /* Low priority IPI to cleanup after moving an irq */
-        set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
-        set_bit(IRQ_MOVE_CLEANUP_VECTOR, used_vectors);
-#endif
+        smp_intr_init();
 
 #ifdef CONFIG_X86_LOCAL_APIC
         /* self generated IPI for local APIC timer */