Messages in this thread Patch in this message | | | Date | Wed, 28 Oct 2009 09:44:55 +0800 | From | Li Zefan <> | Subject | [PATCH] tracing: Fix to use unused attribute |
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____ftrace_check_##name() is used for compile-time check on F_printk() only, so it should be marked as __unused instead of __used.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> ---
I'm thinking about introducing __always_unused, comparing to __maybe_unused.
--- kernel/trace/trace_export.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c index 934d81f..85309fc 100644 --- a/kernel/trace/trace_export.c +++ b/kernel/trace/trace_export.c @@ -48,11 +48,12 @@ struct ____ftrace_##name { \ tstruct \ }; \ -static void __used ____ftrace_check_##name(void) \ +static void __attribute__((unused)) \ +____ftrace_check_##name(void) \ { \ struct ____ftrace_##name *__entry = NULL; \ \ - /* force cmpile-time check on F_printk() */ \ + /* force compile-time check on F_printk() */ \ printk(print); \ } -- 1.6.3
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