linux-kernel - Re: RFC: kconfig select warnings bogus?

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Message-ID: <a781481a0705200457v70aae469n97be31fe55af4d91@mail.gmail.com>
Date:	Sun, 20 May 2007 17:27:58 +0530
From:	"Satyam Sharma" <satyam.sharma@...il.com>
To:	"Stefan Richter" <stefanr@...6.in-berlin.de>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Sam Ravnborg" <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Roman Zippel" <zippel@...ux-m68k.org>,
	"Kumar Gala" <galak@...nel.crashing.org>,
	"Simon Horman" <horms@...ge.net.au>, "Adrian Bunk" <bunk@...sta.de>
Subject: Re: RFC: kconfig select warnings bogus?

On 5/20/07, Stefan Richter <stefanr@...6.in-berlin.de> wrote:
> Satyam Sharma wrote:
> > On 5/20/07, Stefan Richter <stefanr@...6.in-berlin.de> wrote:
> >> However you fix it --- don't remove "depends on" or "select".  You can
> >> interchange them, but not remove them, unless there wasn't a dependency
> >> to begin with.
> >
> > They _can_ be removed, with absolutely no build failures at all, because
> > of the "default y if ..." on the dependency that is defined in some
> > arch/.../Kconfig.
>
> You are right, they can be removed, and the Kconfig files can be turned
> into an unmaintainable mess.
>
>         A requires B
>
> Maintainable.
>
>         B serves A
>
> Logically equivalent, yet unmaintainable.

Well, whether it is readable / maintainable is subjective and hence
debatable. I was only answering your *completely misplaced and
incorrect* original comment against the patch where you claimed
that the patch was "totally wrong" because of the way it removed
the "select" ... etc ...

And remember, like I said already, the whole _idea_ is such arch-
specific helper code be not mentioned from arch-agnostic Kconfig
files. You may not like it, but this is the standard / most common way
such cases are handled for tons of other cases in arch/.... Which
is why Adrian's way of solving this (shifting all such arch-specific
helper symbols also to drivers/... and then using depends on select
on it) is not viable.
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