diff --git a/xen/arch/x86/smpboot.c b/xen/arch/x86/smpboot.c
index 42b8a590a6..5014397805 100644
--- a/xen/arch/x86/smpboot.c
+++ b/xen/arch/x86/smpboot.c
@@ -347,6 +347,8 @@ void start_secondary(void *unused)
 
     percpu_traps_init();
 
+    init_percpu_time();
+
     cpu_init();
 
     smp_callin();
@@ -381,8 +383,6 @@ void start_secondary(void *unused)
     cpumask_set_cpu(cpu, &cpu_online_map);
     unlock_vector_lock();
 
-    init_percpu_time();
-
     /* We can take interrupts now: we're officially "up". */
     local_irq_enable();
     mtrr_ap_init();