linux-kernel - [RFC][PATCH 08/14] function_graph: Remove unused task_curr_ret

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Message-Id: <20181122012803.706044851@goodmis.org>
Date:   Wed, 21 Nov 2018 20:27:16 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Andy Lutomirski <luto@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: [RFC][PATCH 08/14] function_graph: Remove unused task_curr_ret_stack()

From: "Steven Rostedt (VMware)" <rostedt@...dmis.org>

The static inline function task_curr_ret_stack() is unused, remove it.

Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
---
 include/linux/ftrace.h | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 477ff9412d26..5544df21a886 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -819,11 +819,6 @@ extern void ftrace_graph_init_task(struct task_struct *t);
 extern void ftrace_graph_exit_task(struct task_struct *t);
 extern void ftrace_graph_init_idle_task(struct task_struct *t, int cpu);
 
-static inline int task_curr_ret_stack(struct task_struct *t)
-{
-	return t->curr_ret_stack;
-}
-
 static inline void pause_graph_tracing(void)
 {
 	atomic_inc(&current->tracing_graph_pause);
@@ -847,11 +842,6 @@ static inline int register_ftrace_graph(struct fgraph_ops *ops);
 }
 static inline void unregister_ftrace_graph(struct fgraph_ops *ops) { }
 
-static inline int task_curr_ret_stack(struct task_struct *tsk)
-{
-	return -1;
-}
-
 static inline unsigned long
 ftrace_graph_ret_addr(struct task_struct *task, int *idx, unsigned long ret,
 		      unsigned long *retp)
-- 
2.19.1