linux-kernel - Re: [PATCH] vsprintf and docs: Add X to %ph for upper case output

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Message-ID: <CAHp75Vdh2CP9n0FrU+6nkmzVWKoKD6RN-RGv7Z+UD_KUoFXPfw@mail.gmail.com>
Date:   Sun, 22 Aug 2021 11:31:07 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Joe Perches <joe@...ches.com>
Cc:     Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Jonathan Corbet <corbet@....net>,
        Linux Documentation List <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] vsprintf and docs: Add X to %ph for upper case output

On Sun, Aug 22, 2021 at 6:00 AM Joe Perches <joe@...ches.com> wrote:
>
> Uppercase hex output of small char arrays is moderately frequently used.
> Add a mechanism to support the %*ph output as uppercase using 'X'.

Besides the fact of existing hex_asc_upper_*(), what ABI (!) uses
this? If none, I dunno we need this.
And show at least a few users where we gain something after conversion.

-- 
With Best Regards,
Andy Shevchenko