linux-kernel - Re: [PATCH] docs: core-api/printk-formats.rst: Clarify formatting {cpu,node}mask

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Date:   Fri, 13 Nov 2020 15:04:36 -0700
From:   Jonathan Corbet <corbet@....net>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] docs: core-api/printk-formats.rst: Clarify formatting
 {cpu,node}mask

On Tue, 10 Nov 2020 15:41:21 +0100
Geert Uytterhoeven <geert+renesas@...der.be> wrote:

> Clarify how to pass the field width for bitmaps, and mention the helper
> macros that are available to ease printing cpumask and nodemask.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
>  Documentation/core-api/printk-formats.rst | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst
> index 6d26c5c6ac485cec..160e710d992f3a36 100644
> --- a/Documentation/core-api/printk-formats.rst
> +++ b/Documentation/core-api/printk-formats.rst
> @@ -531,7 +531,9 @@ For printing bitmap and its derivatives such as cpumask and nodemask,
>  %*pb outputs the bitmap with field width as the number of bits and %*pbl
>  output the bitmap as range list with field width as the number of bits.
>  
> -Passed by reference.
> +The field width is passed by value, the bitmap is passed by reference.
> +Helper macros cpumask_pr_args() and nodemask_pr_args() are available to ease
> +printing cpumask and nodemask.

Applied, thanks.

jon