diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 442d8d47a41e40baa75f18476667929d0aff9f98..6a27c657648d8b853b07f977bdb7916e49bba972 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -120,7 +120,9 @@ int __cpuinit __cpu_up(unsigned int cpu)
 	stack_start.bss_start = 0; /* don't clear bss for secondary cpus */
 	stack_start.start_kernel_fn = start_secondary;
 
-	flush_cache_all();
+	flush_icache_range((unsigned long)&stack_start,
+			   (unsigned long)&stack_start + sizeof(stack_start));
+	wmb();
 
 	plat_start_cpu(cpu, (unsigned long)_stext);