linux-kernel - Re: [PATCH] drivers/block: remove redundant 'default n' from Kconfig-s

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Date:   Wed, 10 Oct 2018 14:12:02 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:     Philipp Reisner <philipp.reisner@...bit.com>,
        Lars Ellenberg <lars.ellenberg@...bit.com>,
        drbd-dev@...ts.linbit.com, Minchan Kim <minchan@...nel.org>,
        Nitin Gupta <ngupta@...are.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/block: remove redundant 'default n' from
 Kconfig-s

On 10/9/18 8:41 AM, Bartlomiej Zolnierkiewicz wrote:
> 'default n' is the default value for any bool or tristate Kconfig
> setting so there is no need to write it explicitly.
> 
> Also since commit f467c5640c29 ("kconfig: only write '# CONFIG_FOO
> is not set' for visible symbols") the Kconfig behavior is the same
> regardless of 'default n' being present or not:
> 
>     ...
>     One side effect of (and the main motivation for) this change is making
>     the following two definitions behave exactly the same:
>     
>         config FOO
>                 bool
>     
>         config FOO
>                 bool
>                 default n
>     
>     With this change, neither of these will generate a
>     '# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
>     That might make it clearer to people that a bare 'default n' is
>     redundant.
>     ...

Applied, thanks.

-- 
Jens Axboe