linux-kernel - Re: [PATCH] Remove remaining references of CONFIG_GENERIC

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Message-ID: <CAMuHMdUiLjMVwOqKPF6tHLpPxROrx=rRf3ednfTLrwGuZ2VF7A@mail.gmail.com>
Date:	Mon, 1 Aug 2011 13:27:52 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Zoltan Devai <zdevai@...il.com>, linux-kernel@...r.kernel.org,
	chris@...kel.net, linux-am33-list@...hat.com, trivial@...nel.org,
	user-mode-linux-devel@...ts.sourceforge.net, cmetcalf@...era.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kbuild <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH] Remove remaining references of CONFIG_GENERIC_TIME

On Mon, Aug 1, 2011 at 12:14, Russell King - ARM Linux
<linux@....linux.org.uk> wrote:
> On Mon, Aug 01, 2011 at 12:09:02PM +0200, Geert Uytterhoeven wrote:
>> On Mon, Aug 1, 2011 at 10:36, Russell King - ARM Linux
>> <linux@....linux.org.uk> wrote:
>> > On Sat, Jul 30, 2011 at 06:14:38PM +0200, Zoltan Devai wrote:
>> >> Commit 592913ecb87a9e06f98ddb55b298f1a66bf94c6b has killed off any
>> >> use of this config option long ago.
>> >
>> > I don't see the point of this - we were free of GENERIC_TIME on ARM
>> > shortly after it was originally killed off.  The problem is you can't
>> > stop people introducing new uses of this - because it existed once and
>> > there's nothing which errors out on its presence, people are going to
>> > continue submitting patches with it in.  And it's going to continue
>> > being missed at the review stage.
>> >
>> > I've a similar problem with folk on ARM including mach/gpio.h as their
>> > sole gpio header file rather than linux/gpio.h - I've been trying for
>> > the last 1-2 years to educate people to use linux/ in preference.  You
>> > can't do it, and I'm still just about the only one who picks up on that.
>> > (SoC maintainers don't care.)  They will end up caring when I push a
>> > change during the next merge window though, so I'll eventually stop
>> > mach/gpio.h being included.  (Instead, it'll be asm/gpio.h).
>> >
>> > GENERIC_TIME though... I don't think you'll ever stop new uses of it
>> > creeping in unless you can arrange for something to error out.
>>
>> Doesn't kconf error out when trying to select a non-existent symbol?
>
> Nope.

You're right. So that's a bug.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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