linux-kernel - Re: [PATCH] Make CONFIG_EXPERT select CONFIG_DEBUG

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Date:	Mon, 6 Jun 2011 17:18:32 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Josh Triplett <josh@...htriplett.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Sam Ravnborg <sam@...nborg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Make CONFIG_EXPERT select CONFIG_DEBUG_KERNEL to unhide
 debug options


* Josh Triplett <josh@...htriplett.org> wrote:

> Several debugging options currently default to y, such as
> CONFIG_DEBUG_BUGVERBOSE and CONFIG_DEBUG_RODATA.  Embedded users might
> want to turn those options off to save space; however, turning them off
> requires turning on CONFIG_DEBUG_KERNEL to unhide them.  Since
> CONFIG_DEBUG_KERNEL exists specifically to unhide debugging options, and
> CONFIG_EXPERT exists specifically to unhide options potentially needed
> by experts and/or embedded users, make CONFIG_EXPERT automatically imply
> CONFIG_DEBUG_KERNEL.
> 
> Signed-off-by: Josh Triplett <josh@...htriplett.org>
> ---
> 
> Revised as requested by Ingo Molnar.
> 
>  init/Kconfig |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/init/Kconfig b/init/Kconfig
> index ebafac4..5e482a3 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -909,6 +909,7 @@ config ANON_INODES
>  
>  menuconfig EXPERT
>  	bool "Configure standard kernel features (expert users)"
> +	select DEBUG_KERNEL
>  	help
>  	  This option allows certain base kernel options and settings
>            to be disabled or tweaked. This is for specialized

So now that it's selected, mind removing the superfluous EXPERT bits 
from the Kconfig files that have it?

Thanks,

	Ingo
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