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author | Tom Zanussi <tom.zanussi@linux.intel.com> | 2013-10-24 08:34:18 -0500 |
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committer | Steven Rostedt <rostedt@goodmis.org> | 2013-11-05 17:43:40 -0500 |
commit | 38de93abec8d8acd8d6dbbe9b0d92d6d5cdb3090 (patch) | |
tree | 4b7ea21748121502c7d4d8625512134651d1eb9d /kernel/trace | |
parent | f306cc82a93d6b19f01634b80c580b9755c8b7cc (diff) | |
download | op-kernel-dev-38de93abec8d8acd8d6dbbe9b0d92d6d5cdb3090.zip op-kernel-dev-38de93abec8d8acd8d6dbbe9b0d92d6d5cdb3090.tar.gz |
tracing: Make register/unregister_ftrace_command __init
register/unregister_ftrace_command() are only ever called from __init
functions, so can themselves be made __init.
Also make register_snapshot_cmd() __init for the same reason.
Link: http://lkml.kernel.org/r/d4042c8cadb7ae6f843ac9a89a24e1c6a3099727.1382620672.git.tom.zanussi@linux.intel.com
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
-rw-r--r-- | kernel/trace/ftrace.c | 12 | ||||
-rw-r--r-- | kernel/trace/trace.c | 4 |
2 files changed, 12 insertions, 4 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 080b7d4..22fa556 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3307,7 +3307,11 @@ void unregister_ftrace_function_probe_all(char *glob) static LIST_HEAD(ftrace_commands); static DEFINE_MUTEX(ftrace_cmd_mutex); -int register_ftrace_command(struct ftrace_func_command *cmd) +/* + * Currently we only register ftrace commands from __init, so mark this + * __init too. + */ +__init int register_ftrace_command(struct ftrace_func_command *cmd) { struct ftrace_func_command *p; int ret = 0; @@ -3326,7 +3330,11 @@ int register_ftrace_command(struct ftrace_func_command *cmd) return ret; } -int unregister_ftrace_command(struct ftrace_func_command *cmd) +/* + * Currently we only unregister ftrace commands from __init, so mark + * this __init too. + */ +__init int unregister_ftrace_command(struct ftrace_func_command *cmd) { struct ftrace_func_command *p, *n; int ret = -ENODEV; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 489da8b..f9fa42b 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5477,12 +5477,12 @@ static struct ftrace_func_command ftrace_snapshot_cmd = { .func = ftrace_trace_snapshot_callback, }; -static int register_snapshot_cmd(void) +static __init int register_snapshot_cmd(void) { return register_ftrace_command(&ftrace_snapshot_cmd); } #else -static inline int register_snapshot_cmd(void) { return 0; } +static inline __init int register_snapshot_cmd(void) { return 0; } #endif /* defined(CONFIG_TRACER_SNAPSHOT) && defined(CONFIG_DYNAMIC_FTRACE) */ struct dentry *tracing_init_dentry_tr(struct trace_array *tr) |