diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 09c0aef..eff0f23 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -71,6 +71,9 @@
 config GENERIC_IRQ_PROBE
 	def_bool y
 
+config IRQ_PER_CPU
+	def_bool y
+
 config GENERIC_GPIO
 	def_bool n
 
@@ -414,6 +417,8 @@
 	select CPU_HAS_PTEAEX
 	select ARCH_SPARSEMEM_ENABLE
 	select SYS_SUPPORTS_NUMA
+	select SYS_SUPPORTS_SMP
+	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
 
 config CPU_SUBTYPE_SHX3
 	bool "Support SH-X3 processor"
@@ -651,7 +656,7 @@
 	int "Maximum number of CPUs (2-32)"
 	range 2 32
 	depends on SMP
-	default "4" if CPU_SHX3
+	default "4" if CPU_SUBTYPE_SHX3
 	default "2"
 	help
 	  This allows you to specify the maximum number of CPUs which this