tracing: Remove ftrace() function

The only caller of function ftrace(...) was removed a long time ago,
so remove the function body as well.

Link: http://lkml.kernel.org/r/1365564393-10972-10-git-send-email-jovi.zhangwei@huawei.com

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

2 files changed, 0 insertions, 14 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 48aceb8a0328..f6fed9e51c64 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1637,15 +1637,6 @@ trace_function(struct trace_array *tr,
                 __buffer_unlock_commit(buffer, event);
 }
 
-void
-ftrace(struct trace_array *tr, struct trace_array_cpu *data,
-       unsigned long ip, unsigned long parent_ip, unsigned long flags,
-       int pc)
-{
-        if (likely(!atomic_read(&data->disabled)))
-                trace_function(tr, ip, parent_ip, flags, pc);
-}
-
 #ifdef CONFIG_STACKTRACE
 
 #define FTRACE_STACK_MAX_ENTRIES (PAGE_SIZE / sizeof(unsigned long))
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 1cbba04976b4..a4ed382dea2f 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -559,11 +559,6 @@ void tracing_iter_reset(struct trace_iterator *iter, int cpu);
 
 void poll_wait_pipe(struct trace_iterator *iter);
 
-void ftrace(struct trace_array *tr,
-                            struct trace_array_cpu *data,
-                            unsigned long ip,
-                            unsigned long parent_ip,
-                            unsigned long flags, int pc);
 void tracing_sched_switch_trace(struct trace_array *tr,
                                 struct task_struct *prev,
                                 struct task_struct *next,