Messages in this thread Patch in this message | | | Date | Thu, 05 Nov 2009 11:16:17 +0800 | From | Lai Jiangshan <> | Subject | [PATCH] tracing: prevent build warning: 'ftrace_graph_buf' defined but not used |
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prevent build warning when !CONFIG_FUNCTION_GRAPH_TRACER
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> --- 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);
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