1 files changed, 8 insertions, 0 deletions

diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index b82ce7b47fcb..355f68176771 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -251,6 +251,10 @@ double_fault_loop:
 ENTRY(raw_bus_error)
         add     -4,sp
         mov     d0,(sp)
+#if defined(CONFIG_ERRATUM_NEED_TO_RELOAD_MMUCTR)
+        mov     (MMUCTR),d0
+        mov     d0,(MMUCTR)
+#endif
         mov     (BCBERR),d0             # what
         btst    BCBERR_BEMR_DMA,d0      # see if it was an external bus error
         beq     __common_exception_aux  # it wasn't
@@ -282,6 +286,10 @@ ENTRY(nmi_handler)
 ENTRY(__common_exception)
         add     -4,sp
         mov     d0,(sp)
+#if defined(CONFIG_ERRATUM_NEED_TO_RELOAD_MMUCTR)
+        mov     (MMUCTR),d0
+        mov     d0,(MMUCTR)
+#endif
 
 __common_exception_aux:
         mov     (TBR),d0