linux-kernel - Re: [PATCH 17/18] dyndbg: rename dynamic

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Message-ID: <CAHp75VcSkm4M7VOuMWnNUOMAPbbvmodGfn9_Pu25H213pMuxFA@mail.gmail.com>
Date:   Fri, 6 Dec 2019 00:24:52 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Jim Cromie <jim.cromie@...il.com>
Cc:     jbaron@...mai.com, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Jonathan Corbet <corbet@....net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        "David S. Miller" <davem@...emloft.net>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Kent Overstreet <kent.overstreet@...il.com>,
        "Uladzislau Rezki (Sony)" <urezki@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Gary Hook <Gary.Hook@....com>, Arnd Bergmann <arnd@...db.de>,
        Mark Rutland <mark.rutland@....com>,
        Linux Documentation List <linux-doc@...r.kernel.org>
Subject: Re: [PATCH 17/18] dyndbg: rename dynamic_debug to dyndbg

On Thu, Dec 5, 2019 at 11:54 PM Jim Cromie <jim.cromie@...il.com> wrote:
>
> This rename fixes a subtle usage wrinkle; the __setup() names didn't
> match the fake "dyndbg" module parameter used to enable dynamic-printk
> callsites in modules.  See the last change in Docs for the effect.
>
> It also shortens the "__FILE__:__func__" prefix in dyndbg.verbose
> messages, effectively s/dynamic_debug/dyndbg/
>
> This is a 99.9% rename; trim_prefix and debugfs_create_dir arg excepted.
> Nonetheless, it also changes both /sys appearances:
>
> bash-5.0# ls -R /sys/kernel/debug/dyndbg/ /sys/module/dyndbg/parameters/
> /sys/kernel/debug/dyndbg/:
> control

> /sys/module/dyndbg/parameters/:

Isn't this path a part of ABI?

> verbose
>
> Finally, paths in docs are ~= s|/dynamic_debug/|/dyndbg/|,
> plus the kernel cmdline example tweak cited above.


-- 
With Best Regards,
Andy Shevchenko