linux-kernel - Re: [RFC][PATCH v2 7/7] checkpatch: add pF/pf deprecation warning

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Message-ID: <ddf9b54b-34d9-c1e2-e34f-a1cc055b8cf7@gmx.de>
Date:   Wed, 20 Sep 2017 19:53:49 +0200
From:   Helge Deller <deller@....de>
To:     Joe Perches <joe@...ches.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        James Bottomley <jejb@...isc-linux.org>
Cc:     Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jessica Yu <jeyu@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        linux-ia64@...r.kernel.org, linux-parisc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Andy Whitcroft <apw@...onical.com>
Subject: Re: [RFC][PATCH v2 7/7] checkpatch: add pF/pf deprecation warning

On 20.09.2017 19:38, Joe Perches wrote:
> On Thu, 2017-09-21 at 01:29 +0900, Sergey Senozhatsky wrote:
>> We deprecated '%pF/%pf' printk specifiers, since '%pS/%ps' is now smart
>> enough to handle function pointer dereference on platforms where such
>> dereference is required.
>>
>> checkpatch warning example:
>>
>> WARNING: Use '%pS/%ps' instead. This pointer extension was deprecated: '%pF'
> 
> If this series is accepted,  I think this message
> is unclear and would prefer something like:

Is it worth to mention, that it's still needed in older kernels?
Just in case some patch get's backported.

Helge