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From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Tom Zanussi <zanussi@kernel.org>
Subject: [for-next][PATCH 03/31] tracing: Remove ops param from event_command reg()/unreg() callbacks
Date: Tue, 11 Jan 2022 12:30:34 -0500	[thread overview]
Message-ID: <20220111173113.786631915@goodmis.org> (raw)
In-Reply-To: 20220111173030.999527342@goodmis.org

From: Tom Zanussi <zanussi@kernel.org>

The event_trigger_ops for an event_command are already accessible via
event_trigger_data.ops so remove the redundant ops from the callback.

Link: https://lkml.kernel.org/r/4c6f2a41820452f9cacddc7634ad442928aa2aa6.1641823001.git.zanussi@kernel.org

Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/trace.h                |  4 ----
 kernel/trace/trace_eprobe.c         | 12 ++++++------
 kernel/trace/trace_events_hist.c    | 10 +++++-----
 kernel/trace/trace_events_trigger.c | 22 +++++++++-------------
 4 files changed, 20 insertions(+), 28 deletions(-)

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 13f23082f256..22a1e8635acf 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1582,11 +1582,9 @@ extern int event_enable_trigger_parse(struct event_command *cmd_ops,
 				      struct trace_event_file *file,
 				      char *glob, char *cmd, char *param);
 extern int event_enable_register_trigger(char *glob,
-					 struct event_trigger_ops *ops,
 					 struct event_trigger_data *data,
 					 struct trace_event_file *file);
 extern void event_enable_unregister_trigger(char *glob,
-					    struct event_trigger_ops *ops,
 					    struct event_trigger_data *test,
 					    struct trace_event_file *file);
 extern void trigger_data_free(struct event_trigger_data *data);
@@ -1763,11 +1761,9 @@ struct event_command {
 					 char *glob, char *cmd,
 					 char *param_and_filter);
 	int			(*reg)(char *glob,
-				       struct event_trigger_ops *ops,
 				       struct event_trigger_data *data,
 				       struct trace_event_file *file);
 	void			(*unreg)(char *glob,
-					 struct event_trigger_ops *ops,
 					 struct event_trigger_data *data,
 					 struct trace_event_file *file);
 	void			(*unreg_all)(struct trace_event_file *file);
diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c
index 6d363fd8a1e4..191db32dec46 100644
--- a/kernel/trace/trace_eprobe.c
+++ b/kernel/trace/trace_eprobe.c
@@ -556,16 +556,16 @@ static int eprobe_trigger_cmd_parse(struct event_command *cmd_ops,
 	return -1;
 }
 
-static int eprobe_trigger_reg_func(char *glob, struct event_trigger_ops *ops,
-				 struct event_trigger_data *data,
-				 struct trace_event_file *file)
+static int eprobe_trigger_reg_func(char *glob,
+				   struct event_trigger_data *data,
+				   struct trace_event_file *file)
 {
 	return -1;
 }
 
-static void eprobe_trigger_unreg_func(char *glob, struct event_trigger_ops *ops,
-				    struct event_trigger_data *data,
-				    struct trace_event_file *file)
+static void eprobe_trigger_unreg_func(char *glob,
+				      struct event_trigger_data *data,
+				      struct trace_event_file *file)
 {
 
 }
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 229ce5c2dfd3..5e6a988a8a51 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -5910,7 +5910,7 @@ static bool hist_trigger_match(struct event_trigger_data *data,
 	return true;
 }
 
-static int hist_register_trigger(char *glob, struct event_trigger_ops *ops,
+static int hist_register_trigger(char *glob,
 				 struct event_trigger_data *data,
 				 struct trace_event_file *file)
 {
@@ -6062,7 +6062,7 @@ static bool hist_trigger_check_refs(struct event_trigger_data *data,
 	return false;
 }
 
-static void hist_unregister_trigger(char *glob, struct event_trigger_ops *ops,
+static void hist_unregister_trigger(char *glob,
 				    struct event_trigger_data *data,
 				    struct trace_event_file *file)
 {
@@ -6262,7 +6262,7 @@ static int event_hist_trigger_parse(struct event_command *cmd_ops,
 			goto out_free;
 		}
 
-		cmd_ops->unreg(glob+1, trigger_ops, trigger_data, file);
+		cmd_ops->unreg(glob+1, trigger_data, file);
 		se_name = trace_event_name(file->event_call);
 		se = find_synth_event(se_name);
 		if (se)
@@ -6271,7 +6271,7 @@ static int event_hist_trigger_parse(struct event_command *cmd_ops,
 		goto out_free;
 	}
 
-	ret = cmd_ops->reg(glob, trigger_ops, trigger_data, file);
+	ret = cmd_ops->reg(glob, trigger_data, file);
 	/*
 	 * The above returns on success the # of triggers registered,
 	 * but if it didn't register any it returns zero.  Consider no
@@ -6314,7 +6314,7 @@ static int event_hist_trigger_parse(struct event_command *cmd_ops,
 
 	return ret;
  out_unreg:
-	cmd_ops->unreg(glob+1, trigger_ops, trigger_data, file);
+	cmd_ops->unreg(glob+1, trigger_data, file);
  out_free:
 	if (cmd_ops->set_filter)
 		cmd_ops->set_filter(NULL, trigger_data, NULL);
diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c
index 24aceeb50dc0..d40b857db572 100644
--- a/kernel/trace/trace_events_trigger.c
+++ b/kernel/trace/trace_events_trigger.c
@@ -540,7 +540,6 @@ void update_cond_flag(struct trace_event_file *file)
 /**
  * register_trigger - Generic event_command @reg implementation
  * @glob: The raw string used to register the trigger
- * @ops: The trigger ops associated with the trigger
  * @data: Trigger-specific data to associate with the trigger
  * @file: The trace_event_file associated with the event
  *
@@ -551,7 +550,7 @@ void update_cond_flag(struct trace_event_file *file)
  *
  * Return: 0 on success, errno otherwise
  */
-static int register_trigger(char *glob, struct event_trigger_ops *ops,
+static int register_trigger(char *glob,
 			    struct event_trigger_data *data,
 			    struct trace_event_file *file)
 {
@@ -589,7 +588,6 @@ static int register_trigger(char *glob, struct event_trigger_ops *ops,
 /**
  * unregister_trigger - Generic event_command @unreg implementation
  * @glob: The raw string used to register the trigger
- * @ops: The trigger ops associated with the trigger
  * @test: Trigger-specific data used to find the trigger to remove
  * @file: The trace_event_file associated with the event
  *
@@ -598,7 +596,7 @@ static int register_trigger(char *glob, struct event_trigger_ops *ops,
  * Usually used directly as the @unreg method in event command
  * implementations.
  */
-static void unregister_trigger(char *glob, struct event_trigger_ops *ops,
+static void unregister_trigger(char *glob,
 			       struct event_trigger_data *test,
 			       struct trace_event_file *file)
 {
@@ -673,7 +671,7 @@ event_trigger_parse(struct event_command *cmd_ops,
 	INIT_LIST_HEAD(&trigger_data->named_list);
 
 	if (glob[0] == '!') {
-		cmd_ops->unreg(glob+1, trigger_ops, trigger_data, file);
+		cmd_ops->unreg(glob+1, trigger_data, file);
 		kfree(trigger_data);
 		ret = 0;
 		goto out;
@@ -708,14 +706,14 @@ event_trigger_parse(struct event_command *cmd_ops,
  out_reg:
 	/* Up the trigger_data count to make sure reg doesn't free it on failure */
 	event_trigger_init(trigger_ops, trigger_data);
-	ret = cmd_ops->reg(glob, trigger_ops, trigger_data, file);
+	ret = cmd_ops->reg(glob, trigger_data, file);
 	/*
 	 * The above returns on success the # of functions enabled,
 	 * but if it didn't find any functions it returns zero.
 	 * Consider no functions a failure too.
 	 */
 	if (!ret) {
-		cmd_ops->unreg(glob, trigger_ops, trigger_data, file);
+		cmd_ops->unreg(glob, trigger_data, file);
 		ret = -ENOENT;
 	} else if (ret > 0)
 		ret = 0;
@@ -1116,14 +1114,14 @@ snapshot_count_trigger(struct event_trigger_data *data,
 }
 
 static int
-register_snapshot_trigger(char *glob, struct event_trigger_ops *ops,
+register_snapshot_trigger(char *glob,
 			  struct event_trigger_data *data,
 			  struct trace_event_file *file)
 {
 	if (tracing_alloc_snapshot_instance(file->tr) != 0)
 		return 0;
 
-	return register_trigger(glob, ops, data, file);
+	return register_trigger(glob, data, file);
 }
 
 static int
@@ -1455,7 +1453,7 @@ int event_enable_trigger_parse(struct event_command *cmd_ops,
 	trigger_data->private_data = enable_data;
 
 	if (glob[0] == '!') {
-		cmd_ops->unreg(glob+1, trigger_ops, trigger_data, file);
+		cmd_ops->unreg(glob+1, trigger_data, file);
 		kfree(trigger_data);
 		kfree(enable_data);
 		ret = 0;
@@ -1502,7 +1500,7 @@ int event_enable_trigger_parse(struct event_command *cmd_ops,
 	ret = trace_event_enable_disable(event_enable_file, 1, 1);
 	if (ret < 0)
 		goto out_put;
-	ret = cmd_ops->reg(glob, trigger_ops, trigger_data, file);
+	ret = cmd_ops->reg(glob, trigger_data, file);
 	/*
 	 * The above returns on success the # of functions enabled,
 	 * but if it didn't find any functions it returns zero.
@@ -1532,7 +1530,6 @@ int event_enable_trigger_parse(struct event_command *cmd_ops,
 }
 
 int event_enable_register_trigger(char *glob,
-				  struct event_trigger_ops *ops,
 				  struct event_trigger_data *data,
 				  struct trace_event_file *file)
 {
@@ -1574,7 +1571,6 @@ int event_enable_register_trigger(char *glob,
 }
 
 void event_enable_unregister_trigger(char *glob,
-				     struct event_trigger_ops *ops,
 				     struct event_trigger_data *test,
 				     struct trace_event_file *file)
 {
-- 
2.33.0

  parent reply	other threads:[~2022-01-11 17:31 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-11 17:30 [for-next][PATCH 00/31] tracing: Final updates for 5.17 Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 01/31] tracing: Change event_command func() to parse() Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 02/31] tracing: Change event_trigger_ops func() to trigger() Steven Rostedt
2022-01-11 17:30 ` Steven Rostedt [this message]
2022-01-11 17:30 ` [for-next][PATCH 04/31] tracing: Add helper functions to simplify event_command.parse() callback handling Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 05/31] tracing: Have existing event_command.parse() implementations use helpers Steven Rostedt
2022-01-13 17:03   ` Daniel Bristot de Oliveira
2022-01-13 21:20     ` Steven Rostedt
2022-01-13 21:27       ` Steven Rostedt
2022-01-13 21:58       ` Tom Zanussi
2022-01-11 17:30 ` [for-next][PATCH 06/31] tracing: Remove redundant trigger_ops params Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 07/31] tracing: Account bottom half disabled sections Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 08/31] tracing/uprobes: Check the return value of kstrdup() for tu->filename Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 09/31] tracing/probes: check the return value of kstrndup() for pbuf Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 10/31] scripts: ftrace - move the sort-processing in ftrace_init Steven Rostedt
2022-01-15 20:36   ` Nathan Chancellor
2022-01-16  3:59     ` Steven Rostedt
2022-01-16  4:10       ` Nathan Chancellor
2022-01-17  6:23       ` [PATCH 0/1] fix initialization problems Yinan Liu
2022-01-17  6:23         ` [PATCH 1/1] script/sorttable: fix some " Yinan Liu
2022-01-17 22:56           ` Nathan Chancellor
2022-01-18  6:52       ` [PATCH v2] " Yinan Liu
2022-01-11 17:30 ` [for-next][PATCH 11/31] ftrace: Add test to make sure compiled time sorts work Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 12/31] tracing: Fix mismatched comment in __string_len Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 13/31] tracing: Have syscall trace events use trace_event_buffer_lock_reserve() Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 14/31] tracing: Add test for user space strings when filtering on string pointers Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 15/31] tracing/kprobes: nmissed not showed correctly for kretprobe Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 16/31] rtla: Real-Time Linux Analysis tool Steven Rostedt
2022-01-12 11:15   ` Daniel Bristot de Oliveira
2022-01-12 16:21     ` Steven Rostedt
2022-01-12 16:30       ` Steven Rostedt
2022-01-12 16:32         ` Daniel Bristot de Oliveira
2022-01-12 17:14         ` Steven Rostedt
2022-01-12 17:16           ` Steven Rostedt
2022-01-12 17:21             ` Daniel Bristot de Oliveira
2022-01-11 17:30 ` [for-next][PATCH 17/31] rtla: Helper functions for rtla Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 18/31] rtla: Add osnoise tool Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 19/31] rtla/osnoise: Add osnoise top mode Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 20/31] rtla/osnoise: Add the hist mode Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 21/31] rtla: Add timerlat tool and timelart top mode Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 22/31] rtla/timerlat: Add timerlat hist mode Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 23/31] rtla: Add Documentation Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 24/31] rtla: Add rtla osnoise man page Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 25/31] rtla: Add rtla osnoise top documentation Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 26/31] rtla: Add rtla osnoise hist documentation Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 27/31] rtla: Add rtla timerlat documentation Steven Rostedt
2022-01-11 17:30 ` [for-next][PATCH 28/31] rtla: Add rtla timerlat top documentation Steven Rostedt
2022-01-11 17:31 ` [for-next][PATCH 29/31] rtla: Add rtla timerlat hist documentation Steven Rostedt
2022-01-11 17:31 ` [for-next][PATCH 30/31] tracing: Remove duplicate warnings when calling trace_create_file() Steven Rostedt
2022-01-11 17:31 ` [for-next][PATCH 31/31] tracing/osnoise: Properly unhook events if start_per_cpu_kthreads() fails Steven Rostedt

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