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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2019-06-01 00:17:37 +0900 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-07-16 15:14:47 -0400 |
| commit | 747774d6b018ca02493fd3f321624dfce749da61 (patch) | |
| tree | e0420b7753ec8668a09d7744daab7f4e53ae5122 /kernel/trace/trace_probe.h | |
| parent | b5f935ee133911b3ed2d4429dd86d2bd5385519d (diff) | |
| download | linux-747774d6b018ca02493fd3f321624dfce749da61.tar.gz | |
tracing/probe: Add trace flag access APIs for trace_probe
Add trace_probe_test/set/clear_flag() functions for accessing trace_probe.flag field. This flags field should not be accessed directly. Link: http://lkml.kernel.org/r/155931585683.28323.314290023236905988.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_probe.h')
| -rw-r--r-- | kernel/trace/trace_probe.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h index ab02007e131d..87d48d850b63 100644 --- a/kernel/trace/trace_probe.h +++ b/kernel/trace/trace_probe.h @@ -238,14 +238,32 @@ struct event_file_link { struct list_head list; }; +static inline bool trace_probe_test_flag(struct trace_probe *tp, + unsigned int flag) +{ + return !!(tp->flags & flag); +} + +static inline void trace_probe_set_flag(struct trace_probe *tp, + unsigned int flag) +{ + tp->flags |= flag; +} + +static inline void trace_probe_clear_flag(struct trace_probe *tp, + unsigned int flag) +{ + tp->flags &= ~flag; +} + static inline bool trace_probe_is_enabled(struct trace_probe *tp) { - return !!(tp->flags & (TP_FLAG_TRACE | TP_FLAG_PROFILE)); + return trace_probe_test_flag(tp, TP_FLAG_TRACE | TP_FLAG_PROFILE); } static inline bool trace_probe_is_registered(struct trace_probe *tp) { - return !!(tp->flags & TP_FLAG_REGISTERED); + return trace_probe_test_flag(tp, TP_FLAG_REGISTERED); } static inline int trace_probe_unregister_event_call(struct trace_probe *tp) |