--- zzzz-none-000/linux-3.10.107/arch/microblaze/include/asm/processor.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/microblaze/include/asm/processor.h	2021-02-04 17:41:59.000000000 +0000
@@ -22,6 +22,7 @@
 extern const struct seq_operations cpuinfo_op;
 
 # define cpu_relax()		barrier()
+# define cpu_relax_lowlatency()	cpu_relax()
 
 #define task_pt_regs(tsk) \
 		(((struct pt_regs *)(THREAD_SIZE + task_stack_page(tsk))) - 1)
@@ -122,7 +123,7 @@
 }
 
 /* Free all resources held by a thread. */
-extern inline void release_thread(struct task_struct *dead_task)
+static inline void release_thread(struct task_struct *dead_task)
 {
 }