linux-kernel - Re: [PATCH] coccinelle: api: detect duplicate chip data arrays

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Message-ID: <CAKvHMgSniUfBjLXdBA8n_konTZm8D5kJf7M+DAZUXmEQzD0iUA@mail.gmail.com>
Date:   Thu, 5 Oct 2017 12:46:42 -0700
From:   Liam Breck <liam@...workimprov.net>
To:     Joe Perches <joe@...ches.com>
Cc:     Julia Lawall <julia.lawall@...6.fr>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>,
        Pali Rohár <pali.rohar@...il.com>,
        Linux PM mailing list <linux-pm@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Nicolas Palix <nicolas.palix@...g.fr>, cocci@...teme.lip6.fr,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kbuild test robot <fengguang.wu@...el.com>
Subject: Re: [PATCH] coccinelle: api: detect duplicate chip data arrays

Hi Joe,

On Thu, Oct 5, 2017 at 12:30 PM, Joe Perches <joe@...ches.com> wrote:
> On Thu, 2017-10-05 at 21:19 +0200, Julia Lawall wrote:
>> On Thu, 5 Oct 2017, Joe Perches wrote:
>> > On Thu, 2017-10-05 at 21:13 +0200, Julia Lawall wrote:
>> > > On Fri, 6 Oct 2017, Masahiro Yamada wrote:
>> > > > 2017-10-01 21:42 GMT+09:00 Julia Lawall <Julia.Lawall@...6.fr>:
>> > > > > This semantic patch detects duplicate arrays declared using BQ27XXX_DATA
>> > > > > within a single structure.  It is currently specific to the file
>> > > > > drivers/power/supply/bq27xxx_battery.c.
>> > > > > Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
>> > > > Applied to linux-kbuild/misc.
>> > > Thanks for picking it up.
>> > If it is specific to one file, why not just run it
>> > and post the resultant patch?  Why have it in tree?
>> I guess that they anticipate that the data may change in the future?
>
> Aren't you the script author Julia?  Who is the "they"?
>
> I think having a script for a single file unnecessary.

Sebastian Reichel, the power-supply maintainer, requested this script.
I previously implemented this as a run-time check within ifdef DEBUG,
but that was rejected.