microblaze_mmu_v2: Update signal returning address

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

diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 3cdcbfe41295f37ae388eec78724bbd20d6028fd..4c0e6521b1140e6d92183fb165b03076253a889d 100644 (file)
--- 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;
        }
 }