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tracing/probe: Add trace_event_call accesses APIs

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Add trace_event_call access APIs for trace_probe.
Instead of accessing trace_probe.call directly, use those
accesses by trace_probe_event_call() method. This hides
the relationship of trace_event_call and trace_probe from
trace_kprobe and trace_uprobe.

Link: http://lkml.kernel.org/r/155931587711.28323.8335129014686133120.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu
2019-06-01 00:17:57 +09:00
committed by Steven Rostedt (VMware)
parent b55ce203a8
commit e3dc9f898e
4 changed files with 40 additions and 28 deletions
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kernel/trace/trace_probe.h
+6
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@@ -276,6 +276,12 @@ static inline const char *trace_probe_group_name(struct trace_probe *tp)
return tp->call.class->system;
}
static inline struct trace_event_call *
trace_probe_event_call(struct trace_probe *tp)
{
return &tp->call;
}
static inline int trace_probe_unregister_event_call(struct trace_probe *tp)
{
/* tp->event is unregistered in trace_remove_event_call() */