1 files changed, 10 insertions, 2 deletions

diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86
index 5ee328099c63..8aae429a56e2 100644
--- a/arch/um/Kconfig.x86
+++ b/arch/um/Kconfig.x86
@@ -4,12 +4,17 @@ menu "UML-specific options"
 
 menu "Host processor type and features"
 
+config CMPXCHG_LOCAL
+        bool
+        default n
+
 source "arch/x86/Kconfig.cpu"
 
 endmenu
 
 config UML_X86
         def_bool y
+        select GENERIC_FIND_FIRST_BIT
 
 config 64BIT
         bool
@@ -19,11 +24,14 @@ config X86_32
         def_bool !64BIT
         select HAVE_AOUT
 
+config X86_64
+        def_bool 64BIT
+
 config RWSEM_XCHGADD_ALGORITHM
-        def_bool X86_XADD
+        def_bool X86_XADD && 64BIT
 
 config RWSEM_GENERIC_SPINLOCK
-        def_bool !X86_XADD
+        def_bool !RWSEM_XCHGADD_ALGORITHM
 
 config 3_LEVEL_PGTABLES
         bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT