[PATCH 6/9] tracing: Remove redundant raw_init callbacks

Steven Rostedt
2010-06-29T03:11:58Z

[-- Attachment #1: 0006-tracing-Remove-redundant-raw_init-callbacks.patch --]
[-- Type: text/plain, Size: 2320 bytes --]

From: Li Zefan <lizf@cn.fujitsu.com>

raw_init callback is optional.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4BFA37D4.7070500@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
kernel/trace/trace_export.c | 8 +-------
kernel/trace/trace_kprobe.c | 10 +---------
2 files changed, 2 insertions(+), 16 deletions(-)

diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 8536e2a..4ba44de 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -125,12 +125,6 @@ ftrace_define_fields_##name(struct ftrace_event_call *event_call) \

#include "trace_entries.h"

-static int ftrace_raw_init_event(struct ftrace_event_call *call)
-{
- INIT_LIST_HEAD(&call->class->fields);
- return 0;
-}
-
#undef __entry
#define __entry REC

@@ -158,7 +152,7 @@ static int ftrace_raw_init_event(struct ftrace_event_call *call)
struct ftrace_event_class event_class_ftrace_##call = { \
.system = __stringify(TRACE_SYSTEM), \
.define_fields = ftrace_define_fields_##call, \
- .raw_init = ftrace_raw_init_event, \
+ .fields = LIST_HEAD_INIT(event_class_ftrace_##call.fields),\
}; \
\
struct ftrace_event_call __used \
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index f52b5f5..3b831d8 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1214,11 +1214,6 @@ static void probe_event_disable(struct ftrace_event_call *call)
}
}

-static int probe_event_raw_init(struct ftrace_event_call *event_call)
-{
- return 0;
-}
-
#undef DEFINE_FIELD
#define DEFINE_FIELD(type, item, name, is_signed) \
do { \
@@ -1486,15 +1481,12 @@ static int register_probe_event(struct trace_probe *tp)
int ret;

/* Initialize ftrace_event_call */
+ INIT_LIST_HEAD(&call->class->fields);
if (probe_is_return(tp)) {
- INIT_LIST_HEAD(&call->class->fields);
call->event.funcs = &kretprobe_funcs;
- call->class->raw_init = probe_event_raw_init;
call->class->define_fields = kretprobe_event_define_fields;
} else {
- INIT_LIST_HEAD(&call->class->fields);
call->event.funcs = &kprobe_funcs;
- call->class->raw_init = probe_event_raw_init;
call->class->define_fields = kprobe_event_define_fields;
}
if (set_print_fmt(tp) < 0)
--
1.7.1