tracing: Fix to use __always_unused attribute
____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> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> LKML-Reference: <4AEE2D01.4010305@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -48,11 +48,11 @@
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struct ____ftrace_##name { \
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tstruct \
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}; \
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static void __used ____ftrace_check_##name(void) \
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static void __always_unused ____ftrace_check_##name(void) \
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{ \
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struct ____ftrace_##name *__entry = NULL; \
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\
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/* force cmpile-time check on F_printk() */ \
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/* force compile-time check on F_printk() */ \
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printk(print); \
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}
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