sh: Use the new stack unwinder API

Instead of implementing our own stack unwinder via dump_trace() we
should use the new stack unwinder API because it is more modular. This
change allows us to decouple the interface for generating stacktraces
from the implementation of a stack unwinder.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index 6c24a400b05e..45b1adde3abe 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -13,6 +13,7 @@
 #include <linux/stacktrace.h>
 #include <linux/thread_info.h>
 #include <linux/module.h>
+#include <asm/unwinder.h>
 #include <asm/ptrace.h>
 #include <asm/stacktrace.h>
 
@@ -57,7 +58,7 @@ void save_stack_trace(struct stack_trace *trace)
 {
         unsigned long *sp = (unsigned long *)current_stack_pointer;
 
-        dump_trace(current, NULL, sp,  &save_stack_ops, trace);
+        unwind_stack(current, NULL, sp,  &save_stack_ops, trace);
 }
 EXPORT_SYMBOL_GPL(save_stack_trace);
 
@@ -89,6 +90,6 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
 {
         unsigned long *sp = (unsigned long *)tsk->thread.sp;
 
-        dump_trace(current, NULL, sp,  &save_stack_ops_nosched, trace);
+        unwind_stack(current, NULL, sp,  &save_stack_ops_nosched, trace);
 }
 EXPORT_SYMBOL_GPL(save_stack_trace_tsk);