Re: [RFC PATCH v6 2/3] Tracepoint API doc update: data argument

From: Steven Rostedt
Date: Wed Mar 19 2014 - 23:01:47 EST


On Wed, 19 Mar 2014 18:31:01 -0400
Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> wrote:

> Describe the @data argument (probe private data).

As you probably noticed, I added your previous patch to my tree.
You don't need to keep this with your patches.

-- Steve

>
> 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 f27e5f0..2e4bfcb 100644
> --- a/kernel/tracepoint.c
> +++ b/kernel/tracepoint.c
> @@ -370,6 +370,7 @@ 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.
> @@ -412,6 +413,7 @@ 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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