microblaze_mmu_v2: Update signal returning address

Signed-off-by: Michal Simek <monstr@monstr.eu>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 3cdcbfe41295..4c0e6521b114 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -388,7 +388,15 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
         case -ERESTARTNOINTR:
 do_restart:
                 /* offset of 4 bytes to re-execute trap (brki) instruction */
+#ifndef CONFIG_MMU
                 regs->pc -= 4;
+#else
+                /* offset of 8 bytes required = 4 for rtbd
+                   offset, plus 4 for size of
+                        "brki r14,8"
+                   instruction. */
+                regs->pc -= 8;
+#endif
                 break;
         }
 }