--- zzzz-none-000/linux-3.10.107/arch/c6x/include/asm/processor.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/c6x/include/asm/processor.h	2021-02-04 17:41:59.000000000 +0000
@@ -121,6 +121,7 @@
 #define KSTK_ESP(task)	(task_pt_regs(task)->sp)
 
 #define cpu_relax()		do { } while (0)
+#define cpu_relax_lowlatency()        cpu_relax()
 
 extern const struct seq_operations cpuinfo_op;