diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86
index 02fb017fed472ed96d66aa1a4252b17b2f5bd677..a9da516a527416e12cfdc887939e2eb8cbd5020f 100644
--- a/arch/um/Kconfig.x86
+++ b/arch/um/Kconfig.x86
@@ -4,6 +4,10 @@ menu "UML-specific options"
 
 menu "Host processor type and features"
 
+config CMPXCHG_LOCAL
+	bool
+	default n
+
 source "arch/x86/Kconfig.cpu"
 
 endmenu