--- zzzz-none-000/linux-3.10.107/arch/x86/um/asm/processor.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/x86/um/asm/processor.h	2021-02-04 17:41:59.000000000 +0000
@@ -25,7 +25,10 @@
 	__asm__ __volatile__("rep;nop": : :"memory");
 }
 
-#define cpu_relax()	rep_nop()
+#define cpu_relax()		rep_nop()
+#define cpu_relax_lowlatency()	cpu_relax()
+
+#define task_pt_regs(t) (&(t)->thread.regs)
 
 #include <asm/processor-generic.h>