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Date: Tue, 3 Mar 2015 15:21:34 +0800
From: He Kuang <hekuang@...wei.com>
To: <tom.zanussi@...ux.intel.com>, <rostedt@...dmis.org>
CC: <mingo@...hat.com>, <wangnan0@...wei.com>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH 2/2] tracing: remove macro TRACE_EVENT_FL_USE_CALL_FILTER and related codes
After applying the previous patch, TRACE_EVENT_FL_USE_CALL_FILTER and
the codes relate to it can be removed.
Signed-off-by: He Kuang <hekuang@...wei.com>
---
include/linux/ftrace_event.h | 2 --
kernel/trace/trace_events_filter.c | 68 ++++++--------------------------------
2 files changed, 11 insertions(+), 59 deletions(-)
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index c674ee8..fd6bf18 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -250,7 +250,6 @@ enum {
TRACE_EVENT_FL_NO_SET_FILTER_BIT,
TRACE_EVENT_FL_IGNORE_ENABLE_BIT,
TRACE_EVENT_FL_WAS_ENABLED_BIT,
- TRACE_EVENT_FL_USE_CALL_FILTER_BIT,
TRACE_EVENT_FL_TRACEPOINT_BIT,
};
@@ -272,7 +271,6 @@ enum {
TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT),
TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT),
TRACE_EVENT_FL_WAS_ENABLED = (1 << TRACE_EVENT_FL_WAS_ENABLED_BIT),
- TRACE_EVENT_FL_USE_CALL_FILTER = (1 << TRACE_EVENT_FL_USE_CALL_FILTER_BIT),
TRACE_EVENT_FL_TRACEPOINT = (1 << TRACE_EVENT_FL_TRACEPOINT_BIT),
};
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index ced69da..cc61e0b 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -645,10 +645,7 @@ static void append_filter_err(struct filter_parse_state *ps,
static inline struct event_filter *event_filter(struct ftrace_event_file *file)
{
- if (file->event_call->flags & TRACE_EVENT_FL_USE_CALL_FILTER)
- return file->event_call->filter;
- else
- return file->filter;
+ return file->filter;
}
/* caller must hold event_mutex */
@@ -782,12 +779,7 @@ static void __free_preds(struct event_filter *filter)
static void filter_disable(struct ftrace_event_file *file)
{
- struct ftrace_event_call *call = file->event_call;
-
- if (call->flags & TRACE_EVENT_FL_USE_CALL_FILTER)
- call->flags &= ~TRACE_EVENT_FL_FILTERED;
- else
- file->flags &= ~FTRACE_EVENT_FL_FILTERED;
+ file->flags &= ~FTRACE_EVENT_FL_FILTERED;
}
static void __free_filter(struct event_filter *filter)
@@ -839,13 +831,8 @@ static int __alloc_preds(struct event_filter *filter, int n_preds)
static inline void __remove_filter(struct ftrace_event_file *file)
{
- struct ftrace_event_call *call = file->event_call;
-
filter_disable(file);
- if (call->flags & TRACE_EVENT_FL_USE_CALL_FILTER)
- remove_filter_string(call->filter);
- else
- remove_filter_string(file->filter);
+ remove_filter_string(file->filter);
}
static void filter_free_subsystem_preds(struct ftrace_subsystem_dir *dir,
@@ -862,15 +849,8 @@ static void filter_free_subsystem_preds(struct ftrace_subsystem_dir *dir,
static inline void __free_subsystem_filter(struct ftrace_event_file *file)
{
- struct ftrace_event_call *call = file->event_call;
-
- if (call->flags & TRACE_EVENT_FL_USE_CALL_FILTER) {
- __free_filter(call->filter);
- call->filter = NULL;
- } else {
- __free_filter(file->filter);
- file->filter = NULL;
- }
+ __free_filter(file->filter);
+ file->filter = NULL;
}
static void filter_free_subsystem_filters(struct ftrace_subsystem_dir *dir,
@@ -1664,55 +1644,30 @@ fail:
static inline void event_set_filtered_flag(struct ftrace_event_file *file)
{
- struct ftrace_event_call *call = file->event_call;
-
- if (call->flags & TRACE_EVENT_FL_USE_CALL_FILTER)
- call->flags |= TRACE_EVENT_FL_FILTERED;
- else
- file->flags |= FTRACE_EVENT_FL_FILTERED;
+ file->flags |= FTRACE_EVENT_FL_FILTERED;
}
static inline void event_set_filter(struct ftrace_event_file *file,
struct event_filter *filter)
{
- struct ftrace_event_call *call = file->event_call;
-
- if (call->flags & TRACE_EVENT_FL_USE_CALL_FILTER)
- rcu_assign_pointer(call->filter, filter);
- else
- rcu_assign_pointer(file->filter, filter);
+ rcu_assign_pointer(file->filter, filter);
}
static inline void event_clear_filter(struct ftrace_event_file *file)
{
- struct ftrace_event_call *call = file->event_call;
-
- if (call->flags & TRACE_EVENT_FL_USE_CALL_FILTER)
- RCU_INIT_POINTER(call->filter, NULL);
- else
- RCU_INIT_POINTER(file->filter, NULL);
+ RCU_INIT_POINTER(file->filter, NULL);
}
static inline void
event_set_no_set_filter_flag(struct ftrace_event_file *file)
{
- struct ftrace_event_call *call = file->event_call;
-
- if (call->flags & TRACE_EVENT_FL_USE_CALL_FILTER)
- call->flags |= TRACE_EVENT_FL_NO_SET_FILTER;
- else
- file->flags |= FTRACE_EVENT_FL_NO_SET_FILTER;
+ file->flags |= FTRACE_EVENT_FL_NO_SET_FILTER;
}
static inline void
event_clear_no_set_filter_flag(struct ftrace_event_file *file)
{
- struct ftrace_event_call *call = file->event_call;
-
- if (call->flags & TRACE_EVENT_FL_USE_CALL_FILTER)
- call->flags &= ~TRACE_EVENT_FL_NO_SET_FILTER;
- else
- file->flags &= ~FTRACE_EVENT_FL_NO_SET_FILTER;
+ file->flags &= ~FTRACE_EVENT_FL_NO_SET_FILTER;
}
static inline bool
@@ -1723,8 +1678,7 @@ event_no_set_filter_flag(struct ftrace_event_file *file)
if (file->flags & FTRACE_EVENT_FL_NO_SET_FILTER)
return true;
- if ((call->flags & TRACE_EVENT_FL_USE_CALL_FILTER) &&
- (call->flags & TRACE_EVENT_FL_NO_SET_FILTER))
+ if (call->flags & TRACE_EVENT_FL_NO_SET_FILTER)
return true;
return false;
--
2.2.0.33.gc18b867
--
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