From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] tracing: prevent build warning: 'ftrace_graph_buf' defined but not used
Date: Tue, 17 Nov 2009 15:46:31 +0800 [thread overview]
Message-ID: <4B0254D7.2080503@cn.fujitsu.com> (raw)
In-Reply-To: <20091105063917.GA4896@nowhere>
Frederic Weisbecker wrote:
> On Thu, Nov 05, 2009 at 11:16:17AM +0800, Lai Jiangshan wrote:
>> prevent build warning when !CONFIG_FUNCTION_GRAPH_TRACER
>>
>> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
>
>
> Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Hi, Ingo,
Could you apply this cleanup patch for -tip?
Lai
>
>
>
>> ---
>> diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
>> index 7cb6f19..892e3ea 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);
>>
>
>
>
next prev parent reply other threads:[~2009-11-17 7:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-05 3:16 [PATCH] tracing: prevent build warning: 'ftrace_graph_buf' defined but not used Lai Jiangshan
2009-11-05 6:39 ` Frederic Weisbecker
2009-11-17 7:46 ` Lai Jiangshan [this message]
2009-11-17 13:37 ` Steven Rostedt
2009-11-17 15:07 ` Steven Rostedt
2009-11-18 11:13 ` [tip:tracing/core] tracing: Prevent " tip-bot for Lai Jiangshan
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