--- zzzz-none-000/linux-3.10.107/arch/sh/include/asm/processor.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/sh/include/asm/processor.h	2021-02-04 17:41:59.000000000 +0000
@@ -97,6 +97,7 @@
 
 #define cpu_sleep()	__asm__ __volatile__ ("sleep" : : : "memory")
 #define cpu_relax()	barrier()
+#define cpu_relax_lowlatency() cpu_relax()
 
 void default_idle(void);
 void stop_this_cpu(void *);