--- zzzz-none-000/linux-3.10.107/arch/x86/include/asm/cmpxchg.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/x86/include/asm/cmpxchg.h	2021-02-04 17:41:59.000000000 +0000
@@ -143,7 +143,6 @@
 # include <asm/cmpxchg_64.h>
 #endif
 
-#ifdef __HAVE_ARCH_CMPXCHG
 #define cmpxchg(ptr, old, new)						\
 	__cmpxchg(ptr, old, new, sizeof(*(ptr)))
 
@@ -152,7 +151,6 @@
 
 #define cmpxchg_local(ptr, old, new)					\
 	__cmpxchg_local(ptr, old, new, sizeof(*(ptr)))
-#endif
 
 /*
  * xadd() adds "inc" to "*ptr" and atomically returns the previous