linux-kernel - Re: [PATCH] Kconfig: drop bogus default values

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Date:	Thu, 12 Mar 2015 13:41:53 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Jan Beulich <JBeulich@...e.com>
Cc:	akpm@...ux-foundation.org, Michal Marek <mmarek@...e.cz>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Kconfig: drop bogus default values

On Thu, 2015-03-12 at 12:36 +0000, Jan Beulich wrote:
> >>> On 12.03.15 at 13:11, <pebolle@...cali.nl> wrote:
> > On Wed, 2015-03-11 at 13:59 +0000, Jan Beulich wrote:
> >> Default "no" is pretty pointless for options without (visible) prompts:
> > 
> > Related: is there ever a situation where using "default n" or "def_bool
> > n" makes sense (whether or not the entry has a prompt)? I think I once
> > thought of one but I can't remember it at all, so I guess my memory is
> > fooling me.
> 
> I can't see any, but since as long as there is a visible prompt this
> doesn't have any other bad effect than bloating the Kconfig file
> and making its parsing a tiny bit slower, I don't care that much
> about those (originally I had started a patch removing those too,
> but gave up after a while).

Well, unless someone comes up with a valid reason to add "default
n" (and, again, I don't think what you ran into is a valid reason) we
might instead bloat checkpatch.pl a bit by adding a warning for it. That
should at least stop new instances from being added.

I wonder whether Michal knows of a valid reason to use "default n"? What
are Jan and I missing here?


Paul Bolle

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