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

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Message-id: <alpine.LFD.2.00.1108011737030.18706@xanadu.home>
Date:	Mon, 01 Aug 2011 17:40:35 +0100 (BST)
From:	Nicolas Pitre <nico@...xnic.net>
To:	Arnaud Lacombe <lacombar@...il.com>
Cc:	Kyle Moffett <kyle@...fetthome.net>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Zoltan Devai <zdevai@...il.com>,
	lkml <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, 1 Aug 2011, Arnaud Lacombe wrote:

> Moreover, this approach is deemed to fail. The current symbol
> namespace is tied to an arch, so whenever you do:
> 
> arch/arm/Kconfig:
> config FOO
>     bool
> 
> config BAZ
>     bool
> 
> drivers/cpufreq/Kconfig
> config BAR
>     depends on ARM && FOO
>     select BAZ
> 
> You will end up triggering the warning for every ARCH != ARM...

You can keep a state for those symbols with regard to their level of 
reference.  Surely if ARM isn't true, BAZ is not "actively" referenced 
in the end.


Nicolas
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