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

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Date:	Mon, 1 Aug 2011 15:25:22 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Zoltan Devai <zdevai@...il.com>
Cc:	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
Subject: Re: [PATCH] Remove remaining references of CONFIG_GENERIC_TIME

On Mon, Aug 01, 2011 at 01:41:32PM +0200, Zoltan Devai wrote:
> 2011/8/1 Russell King - ARM Linux <linux@....linux.org.uk>:
> > 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.
> 
> Sure, but the patch at least reduces the chances of copy-pasting it,
> and makes it obvious by a simple grep that there's no use of it at all,
> so I still think it's wort merging.

That argument doesn't work - as can be seen from my first paragraph.
The fact that we have new references to it in arch/arm/Kconfig is
proof of that.
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