[MIPS] Stacktrace build-fix and improvement

Fix build error due to stacktrace API change.  Now save_stack_trace()
tries to save all kernel context, including interrupts and exception.
Also some asm code are changed a bit so that we can detect the end of
current context easily.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index 37fda3dcdfc5..af6ef2fd8300 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -220,8 +220,8 @@ NESTED(except_vec_vi_handler, 0, sp)
         CLI
         TRACE_IRQS_OFF
         move    a0, sp
-        jalr    v0
-        j       ret_from_irq
+        PTR_LA  ra, ret_from_irq
+        jr      v0
         END(except_vec_vi_handler)
 
 /*
@@ -349,8 +349,8 @@ NESTED(nmi_handler, PT_SIZE, sp)
         .set    at
         __BUILD_\verbose \exception
         move    a0, sp
-        jal     do_\handler
-        j       ret_from_exception
+        PTR_LA  ra, ret_from_exception
+        j       do_\handler
         END(handle_\exception)
         .endm