linux-kernel - [PATCH] ftrace: kill global_start

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Date:	Sun, 20 Jul 2014 17:18:14 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] ftrace: kill global_start_up

global_start_up is read-only and always zero. It seems that 4104d326
"ftrace: Remove global function list and call function directly" simply
forgot to remove this no longer used variable.

Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---
 kernel/trace/ftrace.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 5b372e3..4586f8d 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2053,7 +2053,6 @@ static void ftrace_run_update_code(int command)
 
 static ftrace_func_t saved_ftrace_func;
 static int ftrace_start_up;
-static int global_start_up;
 
 static void control_ops_free(struct ftrace_ops *ops)
 {
@@ -2117,8 +2116,7 @@ static int ftrace_shutdown(struct ftrace_ops *ops, int command)
 
 	ftrace_hash_rec_disable(ops, 1);
 
-	if (!global_start_up)
-		ops->flags &= ~FTRACE_OPS_FL_ENABLED;
+	ops->flags &= ~FTRACE_OPS_FL_ENABLED;
 
 	command |= FTRACE_UPDATE_CALLS;
 
-- 
1.5.5.1


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