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>

2 files changed, 23 insertions, 21 deletions

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 6aa93db7faa3..c32cc0feb47b 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
  */
diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 1736404c3c36..87c9a75d929c 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -968,24 +968,3 @@ void __init native_smp_cpus_done(unsigned int max_cpus)
 #endif
         zap_low_mappings();
 }
-
-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);
-}