diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c
index 049dbecb5dbc7908eb991642bb629e695590341f..7980ec0e1e1a98f318630bb5e7226848416fc71a 100644
--- a/arch/powerpc/kernel/rtasd.c
+++ b/arch/powerpc/kernel/rtasd.c
@@ -412,7 +412,8 @@ static void rtas_event_scan(struct work_struct *w)
 
 	get_online_cpus();
 
-	cpu = cpumask_next(smp_processor_id(), cpu_online_mask);
+	/* raw_ OK because just using CPU as starting point. */
+	cpu = cpumask_next(raw_smp_processor_id(), cpu_online_mask);
         if (cpu >= nr_cpu_ids) {
 		cpu = cpumask_first(cpu_online_mask);