1 files changed, 10 insertions, 0 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 4d16d8917074..2715834f72be 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -366,6 +366,16 @@ config SH_STORE_QUEUES
           Selecting this option will enable an in-kernel API for manipulating
           the store queues integrated in the SH-4 processors.
 
+config SPECULATIVE_EXECUTION
+        bool "Speculative subroutine return"
+        depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL
+        help
+          This enables support for a speculative instruction fetch for
+          subroutine return. There are various pitfalls associated with
+          this, as outlined in the SH7780 hardware manual.
+
+          If unsure, say N.
+
 config CPU_HAS_INTEVT
         bool