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

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Message-ID: <20140319230132.5dc57068@gandalf.local.home>
Date:	Wed, 19 Mar 2014 23:01:32 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [RFC PATCH v6 2/3] Tracepoint API doc update: data argument

On Wed, 19 Mar 2014 18:31:01 -0400
Mathieu Desnoyers <mathieu.desnoyers@...icios.com> 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@...icios.com>
> CC: Steven Rostedt <rostedt@...dmis.org>
> CC: Ingo Molnar <mingo@...nel.org>
> CC: Frederic Weisbecker <fweisbec@...il.com>
> CC: Andrew Morton <akpm@...ux-foundation.org>
> ---
>  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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