2 files changed, 5 insertions, 1 deletions

diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index d5e22f084880..684e1f8b2755 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -196,7 +196,7 @@ config HOST_2G_2G
 config SMP
         bool "Symmetric multi-processing support (EXPERIMENTAL)"
         default n
-        depends on MODE_TT && EXPERIMENTAL
+        depends on (MODE_TT && EXPERIMENTAL && !SMP_BROKEN) || (BROKEN && SMP_BROKEN)
         help
         This option enables UML SMP support.
         It is NOT related to having a real SMP box. Not directly, at least.
diff --git a/arch/um/Kconfig.x86_64 b/arch/um/Kconfig.x86_64
index 6e5357c5bcfb..bd35e59419c8 100644
--- a/arch/um/Kconfig.x86_64
+++ b/arch/um/Kconfig.x86_64
@@ -37,3 +37,7 @@ config ARCH_HAS_SC_SIGNALS
 config ARCH_REUSE_HOST_VSYSCALL_AREA
         bool
         default n
+
+config SMP_BROKEN
+        bool
+        default y