[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/kernel/genex.S b/arch/mips/kernel/genex.S
index 37fda3d..af6ef2f 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -220,8 +220,8 @@
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 @@
.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