linux-kernel - Re: [PATCH v2 3/3] lib/vsprintf: Declare no_hash

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Date:   Mon, 7 Aug 2023 17:06:33 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Marco Elver <elver@...gle.com>, linux-kernel@...r.kernel.org,
        kasan-dev@...glegroups.com, linux-mm@...ck.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2 3/3] lib/vsprintf: Declare no_hash_pointers in
 sprintf.h

On Sat 2023-08-05 20:50:27, Andy Shevchenko wrote:
> Sparse is not happy to see non-static variable without declaration:
> lib/vsprintf.c:61:6: warning: symbol 'no_hash_pointers' was not declared. Should it be static?
> 
> Declare respective variable in the sprintf.h. With this, add a comment
> to discourage its use if no real need.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  include/linux/sprintf.h | 2 ++
>  lib/test_printf.c       | 2 --
>  mm/kfence/report.c      | 3 +--

If we agreed to move sprintf() declarations into printk.h
then this might go to printk.h as well.

Best Regards,
Petr