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-rw-r--r--arch/arc/kernel/entry.S8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index 91eeab81f52..0c6d664d4a8 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -393,12 +393,14 @@ ARC_ENTRY EV_TLBProtV
#ifdef CONFIG_ARC_MISALIGN_ACCESS
SAVE_CALLEE_SAVED_USER
mov r3, sp ; callee_regs
-#endif
bl do_misaligned_access
-#ifdef CONFIG_ARC_MISALIGN_ACCESS
- DISCARD_CALLEE_SAVED_USER
+ ; TBD: optimize - do this only if a callee reg was involved
+ ; either a dst of emulated LD/ST or src with address-writeback
+ RESTORE_CALLEE_SAVED_USER
+#else
+ bl do_misaligned_error
#endif
b ret_from_exception