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/oprofile/backtrace.c b/arch/sh/oprofile/backtrace.c
index 62e4e4d0273e..37cd75d7930e 100644
--- a/arch/sh/oprofile/backtrace.c
+++ b/arch/sh/oprofile/backtrace.c
@@ -17,6 +17,7 @@
 #include <linux/sched.h>
 #include <linux/kallsyms.h>
 #include <linux/mm.h>
+#include <asm/unwinder.h>
 #include <asm/ptrace.h>
 #include <asm/uaccess.h>
 #include <asm/sections.h>
@@ -120,8 +121,8 @@ void sh_backtrace(struct pt_regs * const regs, unsigned int depth)
         stackaddr = (unsigned long *)regs->regs[15];
         if (!user_mode(regs)) {
                 if (depth)
-                        dump_trace(NULL, regs, stackaddr,
-                                   &backtrace_ops, &depth);
+                        unwind_stack(NULL, regs, stackaddr,
+                                     &backtrace_ops, &depth);
                 return;
         }