1 files changed, 5 insertions, 0 deletions

diff --git a/arch/um/Kconfig.x86_64 b/arch/um/Kconfig.x86_64
index bd35e59419c8..aae19bc4b06a 100644
--- a/arch/um/Kconfig.x86_64
+++ b/arch/um/Kconfig.x86_64
@@ -6,6 +6,11 @@ config 64BIT
         bool
         default y
 
+#XXX: this is so in the underlying arch, but it's wrong!!!
+config RWSEM_GENERIC_SPINLOCK
+        bool
+        default y
+
 config SEMAPHORE_SLEEPERS
         bool
         default y