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-rw-r--r--arch/x86/kernel/smpboot.c11
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();