linux-kernel - [PATCH 05/14] tracing: move __start_ftrace_events and __stop_ftrace

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Message-Id: <9b9820c5d18a88a8a4f8ada7383ff92ce7d6c899.1268749695.git.jbaron@redhat.com>
Date:	Tue, 16 Mar 2010 13:46:30 -0400
From:	Jason Baron <jbaron@...hat.com>
To:	fweisbec@...il.com, mingo@...e.hu, rostedt@...dmis.org
Cc:	linux-kernel@...r.kernel.org, laijs@...fujitsu.com,
	lizf@...fujitsu.com, hpa@...or.com, tglx@...utronix.de,
	mhiramat@...hat.com, heiko.carstens@...ibm.com,
	benh@...nel.crashing.org, davem@...emloft.net, lethal@...ux-sh.org,
	schwidefsky@...ibm.com, brueckner@...ux.vnet.ibm.com,
	tony.luck@...el.com
Subject: [PATCH 05/14] tracing: move __start_ftrace_events and __stop_ftrace_events to header file

trace_syscalls.c uses __start_ftrace_events and __stop_ftrace_events in order
to prune compat syscall ftrace events that are not referenced by the compat
syscall table. So move the 'extern' definitions to a common header file.

Signed-off-by: Jason Baron <jbaron@...hat.com>
---
 include/linux/ftrace_event.h |    3 +++
 kernel/trace/trace_events.c  |    3 ---
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 6b7c444..fb6ede1 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -136,6 +136,9 @@ struct ftrace_event_call {
 	void			(*profile_disable)(struct ftrace_event_call *);
 };
 
+extern struct ftrace_event_call __start_ftrace_events[];
+extern struct ftrace_event_call __stop_ftrace_events[];
+
 #define FTRACE_MAX_PROFILE_SIZE	2048
 
 #define MAX_FILTER_PRED		32
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 3f972ad..36d9787 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1222,9 +1222,6 @@ static struct notifier_block trace_module_nb = {
 	.priority = 0,
 };
 
-extern struct ftrace_event_call __start_ftrace_events[];
-extern struct ftrace_event_call __stop_ftrace_events[];
-
 static char bootup_event_buf[COMMAND_LINE_SIZE] __initdata;
 
 static __init int setup_trace_event(char *str)
-- 
1.6.5.1

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