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Diffstat (limited to 'arch/arm/kernel/ftrace.c')
-rw-r--r--arch/arm/kernel/ftrace.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index 0142fcfcc3d3..bda949fd84e8 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -183,9 +183,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
unsigned long frame_pointer)
{
unsigned long return_hooker = (unsigned long) &return_to_handler;
- struct ftrace_graph_ent trace;
unsigned long old;
- int err;
if (unlikely(atomic_read(&current->tracing_graph_pause)))
return;
@@ -193,21 +191,8 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
old = *parent;
*parent = return_hooker;
- trace.func = self_addr;
- trace.depth = current->curr_ret_stack + 1;
-
- /* Only trace if the calling function expects to */
- if (!ftrace_graph_entry(&trace)) {
+ if (function_graph_enter(old, self_addr, frame_pointer, NULL))
*parent = old;
- return;
- }
-
- err = ftrace_push_return_trace(old, self_addr, &trace.depth,
- frame_pointer, NULL);
- if (err == -EBUSY) {
- *parent = old;
- return;
- }
}
#ifdef CONFIG_DYNAMIC_FTRACE