[RFC PATCH v5 2/3] Tracepoint API doc update: data argument

From: Mathieu Desnoyers
Date: Tue Mar 18 2014 - 10:06:46 EST

Describe the @data argument (probe private data).

Fixes: 38516ab59fbc "tracing: Let tracepoints have data passed to tracepoint callbacks"
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
CC: Steven Rostedt <rostedt@xxxxxxxxxxx>
CC: Ingo Molnar <mingo@xxxxxxxxxx>
CC: Frederic Weisbecker <fweisbec@xxxxxxxxx>
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
kernel/tracepoint.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 0faf2a4..cc6c8b6 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -373,6 +373,7 @@ tracepoint_add_probe(const char *name, void *probe, void *data)
* tracepoint_probe_register - Connect a probe to a tracepoint
* @name: tracepoint name
* @probe: probe handler
+ * @data: probe private data
* Returns 0 if ok, error value on error.
* The probe address must at least be aligned on the architecture pointer size.
@@ -415,6 +416,7 @@ tracepoint_remove_probe(const char *name, void *probe, void *data)
* tracepoint_probe_unregister - Disconnect a probe from a tracepoint
* @name: tracepoint name
* @probe: probe function pointer
+ * @data: probe private data
* We do not need to call a synchronize_sched to make sure the probes have
* finished running before doing a module unload, because the module unload

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