--- zzzz-none-000/linux-3.10.107/arch/um/include/asm/smp.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/um/include/asm/smp.h	2021-02-04 17:41:59.000000000 +0000
@@ -1,32 +1,6 @@
 #ifndef __UM_SMP_H
 #define __UM_SMP_H
 
-#ifdef CONFIG_SMP
-
-#include <linux/bitops.h>
-#include <asm/current.h>
-#include <linux/cpumask.h>
-
-#define raw_smp_processor_id() (current_thread->cpu)
-
-#define cpu_logical_map(n) (n)
-#define cpu_number_map(n) (n)
-extern int hard_smp_processor_id(void);
-#define NO_PROC_ID -1
-
-extern int ncpus;
-
-
-static inline void smp_cpus_done(unsigned int maxcpus)
-{
-}
-
-extern struct task_struct *idle_threads[NR_CPUS];
-
-#else
-
 #define hard_smp_processor_id()		0
 
 #endif
-
-#endif