-#endif
+#define arch_cmpxchg64 __cmpxchg64
+#define arch_cmpxchg64_local __cmpxchg64_local
+#define arch_try_cmpxchg64 __try_cmpxchg64
+#define arch_try_cmpxchg64_local __try_cmpxchg64_local
#define system_has_cmpxchg64() boot_cpu_has(X86_FEATURE_CX8)