Commit 5e9b3972 authored Nov 02, 2009 by Li Zefan Committed by Ingo Molnar Nov 02, 2009

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>

parent 7b2a3513

kernel/trace/trace_export.c

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -48,11 +48,11 @@
	struct ____ftrace_##name { \		struct ____ftrace_##name { \
	tstruct \		tstruct \
	}; \		}; \
	static void __used ____ftrace_check_##name(void) \		static void __always_unused ____ftrace_check_##name(void) \
	{ \		{ \
	struct ____ftrace_##name *__entry = NULL; \		struct ____ftrace_##name *__entry = NULL; \
	\		\
	/* force cmpile-time check on F_printk() */ \		/* force compile-time check on F_printk() */ \
	printk(print); \		printk(print); \
	}		}