1 files changed, 13 insertions, 0 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6a939e64cbd7..f6cdc21b562c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1191,6 +1191,19 @@ config SMP
 
           If you don't know what to do here, say N.
 
+config SMP_ON_UP
+        bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)"
+        depends on EXPERIMENTAL
+        depends on SMP && !XIP && !THUMB2_KERNEL
+        default y
+        help
+          SMP kernels contain instructions which fail on non-SMP processors.
+          Enabling this option allows the kernel to modify itself to make
+          these instructions safe.  Disabling it allows about 1K of space
+          savings.
+
+          If you don't know what to do here, say Y.
+
 config HAVE_ARM_SCU
         bool
         depends on SMP