1 files changed, 2 insertions, 9 deletions

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 6f9a31a18811..e09f3124738a 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -329,15 +329,8 @@ static void __cpuinit start_secondary(void *unused)
          * smp_call_function().
          */
         lock_ipi_call_lock();
-#ifdef CONFIG_X86_64
-        spin_lock(&vector_lock);
-
-        /* Setup the per cpu irq handling data structures */
-        __setup_vector_irq(smp_processor_id());
-        /*
-         * Allow the master to continue.
-         */
-        spin_unlock(&vector_lock);
+#ifdef CONFIG_X86_IO_APIC
+        setup_vector_irq(smp_processor_id());
 #endif
         cpu_set(smp_processor_id(), cpu_online_map);
         unlock_ipi_call_lock();