diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index a47828d31fe6d0c4f8f5197a348c8fce64a827e6..6266730efd615552f71a9e9409932c2298001167 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -300,9 +300,7 @@ smp_cpu_init(int cpunum)
 
 	notify_cpu_starting(cpunum);
 
-	ipi_call_lock();
 	set_cpu_online(cpunum, true);
-	ipi_call_unlock();
 
 	/* Initialise the idle task for this CPU */
 	atomic_inc(&init_mm.mm_count);