2 files changed, 4 insertions, 2 deletions

diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386
index 8ad156a00499..5d92cacd56c6 100644
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.i386
@@ -42,3 +42,7 @@ config ARCH_HAS_SC_SIGNALS
 config ARCH_REUSE_HOST_VSYSCALL_AREA
         bool
         default y
+
+config X86_CMPXCHG
+        bool
+        default y
diff --git a/include/asm-um/system-i386.h b/include/asm-um/system-i386.h
index ea8381de3cc9..c436263e67ba 100644
--- a/include/asm-um/system-i386.h
+++ b/include/asm-um/system-i386.h
@@ -3,6 +3,4 @@
 
 #include "asm/system-generic.h"
     
-#define __HAVE_ARCH_CMPXCHG 1
-
 #endif