From a1301da0997bf73c44dbe584e9070a13adc89672 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Tue, 1 Dec 2009 16:23:55 +0800
Subject: trace_syscalls: Remove duplicate init_enter_##sname()

use only one init_syscall_trace instead of
many init_enter_##sname()/init_exit_##sname()

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Jason Baron <jbaron@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4B14D29B.6090708@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_syscalls.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'kernel/trace/trace_syscalls.c')

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 144cc14d855..c6514093c95 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -412,6 +412,18 @@ void unreg_event_syscall_exit(struct ftrace_event_call *call)
 	mutex_unlock(&syscall_trace_lock);
 }
 
+int init_syscall_trace(struct ftrace_event_call *call)
+{
+	int id;
+
+	id = register_ftrace_event(call->event);
+	if (!id)
+		return -ENODEV;
+	call->id = id;
+	INIT_LIST_HEAD(&call->fields);
+	return 0;
+}
+
 int __init init_ftrace_syscalls(void)
 {
 	struct syscall_metadata *meta;
-- 
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