linux-kernel - [tip:tracing/core] tracing: Prevent build warning: 'ftrace_graph

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Message-ID: <tip-f6060f46819f313d34a8c8151390cda509c23389@git.kernel.org>
Date:	Wed, 18 Nov 2009 11:13:24 GMT
From:	tip-bot for Lai Jiangshan <laijs@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	rostedt@...dmis.org, tglx@...utronix.de, laijs@...fujitsu.com
Subject: [tip:tracing/core] tracing: Prevent build warning: 'ftrace_graph_buf' defined but not used

Commit-ID:  f6060f46819f313d34a8c8151390cda509c23389
Gitweb:     http://git.kernel.org/tip/f6060f46819f313d34a8c8151390cda509c23389
Author:     Lai Jiangshan <laijs@...fujitsu.com>
AuthorDate: Thu, 5 Nov 2009 11:16:17 +0800
Committer:  Steven Rostedt <rostedt@...dmis.org>
CommitDate: Tue, 17 Nov 2009 11:05:49 -0500

tracing: Prevent build warning: 'ftrace_graph_buf' defined but not used

Prevent build warning when CONFIG_FUNCTION_GRAPH_TRACER is not set.

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
LKML-Reference: <4AF24381.5060307@...fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
---
 kernel/trace/ftrace.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 1ed514f..7f9b51e 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2274,7 +2274,6 @@ void ftrace_set_notrace(unsigned char *buf, int len, int reset)
 #define FTRACE_FILTER_SIZE		COMMAND_LINE_SIZE
 static char ftrace_notrace_buf[FTRACE_FILTER_SIZE] __initdata;
 static char ftrace_filter_buf[FTRACE_FILTER_SIZE] __initdata;
-static char ftrace_graph_buf[FTRACE_FILTER_SIZE] __initdata;
 
 static int __init set_ftrace_notrace(char *str)
 {
@@ -2291,6 +2290,7 @@ static int __init set_ftrace_filter(char *str)
 __setup("ftrace_filter=", set_ftrace_filter);
 
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
+static char ftrace_graph_buf[FTRACE_FILTER_SIZE] __initdata;
 static int __init set_graph_function(char *str)
 {
 	strlcpy(ftrace_graph_buf, str, FTRACE_FILTER_SIZE);
--
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