--- zzzz-none-000/linux-3.10.107/arch/x86/include/asm/cmpxchg_64.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/x86/include/asm/cmpxchg_64.h	2021-02-04 17:41:59.000000000 +0000
@@ -6,8 +6,6 @@
 	*ptr = val;
 }
 
-#define __HAVE_ARCH_CMPXCHG 1
-
 #define cmpxchg64(ptr, o, n)						\
 ({									\
 	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\