From: "Steven Rostedt (VMware)" <rost...@goodmis.org>
As nothing outside the tracing directory uses the function command mechanism,
I'm moving the prototypes out of the include/linux/ftrace.h and into the
local kernel/trace/trace.h header. I plan on making them hook to the
trace_array structure which is local to kernel/trace, and I do not want to
expose it to the rest of the kernel. This requires that the command functions
must also be local to tracing. But luckily nothing else uses them.
Signed-off-by: Steven Rostedt (VMware) <rost...@goodmis.org>
---
include/linux/ftrace.h | 19 -------------------
kernel/trace/trace.h | 20 ++++++++++++++++++++
2 files changed, 20 insertions(+), 19 deletions(-)
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 3e790ff1c501..774e7a95c201 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -326,14 +326,6 @@ static inline void stack_tracer_disable(void) { }
static inline void stack_tracer_enable(void) { }
#endif
-struct ftrace_func_command {
- struct list_head list;
- char *name;
- int (*func)(struct ftrace_hash *hash,
- char *func, char *cmd,
- char *params, int enable);
-};
-
#ifdef CONFIG_DYNAMIC_FTRACE
int ftrace_arch_code_modify_prepare(void);
@@ -421,9 +413,6 @@ void ftrace_set_global_notrace(unsigned char *buf, int len,
int reset);
void ftrace_free_filter(struct ftrace_ops *ops);
void ftrace_ops_set_global_filter(struct ftrace_ops *ops);
-int register_ftrace_command(struct ftrace_func_command *cmd);
-int unregister_ftrace_command(struct ftrace_func_command *cmd);
-
enum {
FTRACE_UPDATE_CALLS = (1 << 0),
FTRACE_DISABLE_CALLS = (1 << 1),
@@ -639,14 +628,6 @@ static inline void ftrace_enable_daemon(void) { }
static inline void ftrace_module_init(struct module *mod) { }
static inline void ftrace_module_enable(struct module *mod) { }
static inline void ftrace_release_mod(struct module *mod) { }
-static inline __init int register_ftrace_command(struct ftrace_func_command
*cmd)
-{
- return -EINVAL;
-}
-static inline __init int unregister_ftrace_command(char *cmd_name)
-{
- return -EINVAL;
-}
static inline int ftrace_text_reserved(const void *start, const void *end)
{
return 0;
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 2ff6d49fa5ca..a63411c53c5e 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -880,6 +880,13 @@ print_graph_function_flags(struct trace_iterator *iter,
u32 flags)
extern struct list_head ftrace_pids;
#ifdef CONFIG_FUNCTION_TRACER
+struct ftrace_func_command {
+ struct list_head list;
+ char *name;
+ int (*func)(struct ftrace_hash *hash,
+ char *func, char *cmd,
+ char *params, int enable);
+};
extern bool ftrace_filter_param __initdata;
static inline int ftrace_trace_task(struct trace_array *tr)
{
@@ -948,10 +955,23 @@ extern void
unregister_ftrace_function_probe_func(char *glob, struct ftrace_probe_ops
*ops);
extern void unregister_ftrace_function_probe_all(char *glob);
+int register_ftrace_command(struct ftrace_func_command *cmd);
+int unregister_ftrace_command(struct ftrace_func_command *cmd);
+
void ftrace_create_filter_files(struct ftrace_ops *ops,
struct dentry *parent);
void ftrace_destroy_filter_files(struct ftrace_ops *ops);
#else
+struct ftrace_func_command;
+
+static inline __init int register_ftrace_command(struct ftrace_func_command
*cmd)
+{
+ return -EINVAL;
+}
+static inline __init int unregister_ftrace_command(char *cmd_name)
+{
+ return -EINVAL;
+}
/*
* The ops parameter passed in is usually undefined.
* This must be a macro.
--
2.10.2
