linux-kernel - Re: [PATCH] rculist: Describe variadic macro argument in a Sphinx-compatible way

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Date:   Fri, 4 Oct 2019 15:24:39 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Jonathan Neuschäfer <j.neuschaefer@....net>
Cc:     rcu@...r.kernel.org, Josh Triplett <josh@...htriplett.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rculist: Describe variadic macro argument in a
 Sphinx-compatible way

On Fri, Oct 04, 2019 at 11:54:02PM +0200, Jonathan Neuschäfer wrote:
> Without this patch, Sphinx shows "variable arguments" as the description
> of the cond argument, rather than the intended description, and prints
> the following warnings:
> 
> ./include/linux/rculist.h:374: warning: Excess function parameter 'cond' description in 'list_for_each_entry_rcu'
> ./include/linux/rculist.h:651: warning: Excess function parameter 'cond' description in 'hlist_for_each_entry_rcu'
> 
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>

Applied for testing and review, thank you!

Joel, does this look sane to you?

							Thanx, Paul

> ---
>  include/linux/rculist.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/rculist.h b/include/linux/rculist.h
> index 4158b7212936..61c6728a71f7 100644
> --- a/include/linux/rculist.h
> +++ b/include/linux/rculist.h
> @@ -361,7 +361,7 @@ static inline void list_splice_tail_init_rcu(struct list_head *list,
>   * @pos:	the type * to use as a loop cursor.
>   * @head:	the head for your list.
>   * @member:	the name of the list_head within the struct.
> - * @cond:	optional lockdep expression if called from non-RCU protection.
> + * @cond...:	optional lockdep expression if called from non-RCU protection.
>   *
>   * This list-traversal primitive may safely run concurrently with
>   * the _rcu list-mutation primitives such as list_add_rcu()
> @@ -636,7 +636,7 @@ static inline void hlist_add_behind_rcu(struct hlist_node *n,
>   * @pos:	the type * to use as a loop cursor.
>   * @head:	the head for your list.
>   * @member:	the name of the hlist_node within the struct.
> - * @cond:	optional lockdep expression if called from non-RCU protection.
> + * @cond...:	optional lockdep expression if called from non-RCU protection.
>   *
>   * This list-traversal primitive may safely run concurrently with
>   * the _rcu list-mutation primitives such as hlist_add_head_rcu()
> --
> 2.20.1
>