linux-kernel - Re: [PATCH 2/2] init/Kconfig: use if/endif to surround the EXPERT menu kconfig symbols

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Message-ID: <alpine.DEB.2.00.1104261608210.7639@chino.kir.corp.google.com>
Date:	Tue, 26 Apr 2011 16:09:47 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Randy Dunlap <rdunlap@...otime.net>
cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Foley <pefoley2@...izon.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 2/2] init/Kconfig: use if/endif to surround the EXPERT
 menu kconfig symbols

On Tue, 26 Apr 2011, Randy Dunlap wrote:

> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> Surround the EXPERT menu with "if EXPERT" and "endif" so that it
> is forced to stay as one unit.  Hopefully this will help to prevent
> it being broken in the future.
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> Cc: David Rientjes <rientjes@...gle.com>
> Cc: Peter Foley <pefoley2@...izon.net>
> ---
>  init/Kconfig |   36 ++++++++++++++++++++----------------
>  1 file changed, 20 insertions(+), 16 deletions(-)
> 
> --- lnx-2639-rc4.orig/init/Kconfig
> +++ lnx-2639-rc4/init/Kconfig
> @@ -924,15 +924,17 @@ menuconfig EXPERT
>            environments which can tolerate a "non-standard" kernel.
>            Only use this if you really know what you are doing.
>  
> +if EXPERT
> +
>  config UID16
> -	bool "Enable 16-bit UID system calls" if EXPERT
> +	bool "Enable 16-bit UID system calls"
>  	depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION)
>  	default y
>  	help
>  	  This enables the legacy 16-bit UID syscall wrappers.
>  

I don't like this, people who look up a Kconfig option typically only 
look at the single entry and look for dependencies within it, not the 
context in which it is declared in the Kconfig file.
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