[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>
diff --git a/arch/mips/mm/tlbex-fault.S b/arch/mips/mm/tlbex-fault.S
index 9e7f417..e99eaa1 100644
--- a/arch/mips/mm/tlbex-fault.S
+++ b/arch/mips/mm/tlbex-fault.S
@@ -19,8 +19,8 @@
move a0, sp
REG_S a2, PT_BVADDR(sp)
li a1, \write
- jal do_page_fault
- j ret_from_exception
+ PTR_LA ra, ret_from_exception
+ j do_page_fault
END(tlb_do_page_fault_\write)
.endm