linux-kernel - Re: [PATCH]

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Message-Id: <6B47532D-DD6A-4F1B-9A23-6AA67F6959BD@mac.com>
Date:	Sun, 1 Apr 2007 16:07:52 -0400
From:	Kyle Moffett <mrmacman_g4@....com>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Sam Ravnborg <sam@...nborg.org>, Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH]

On Apr 01, 2007, at 15:47:18, Jan Engelhardt wrote:
> +config I_KNOW_WHAT_THE_HELL_I_AM_DOING
>
> Let's just hope kconfig does not bust the stack.
> Perhaps we could shorten that: I_KNOW_WTF_I_AM_DOING

Ah, good point, but I think it fits.

> +	bool "Prompt for config options which will break your computer"
>
> s/will break (.*)/could break $1 if done wrong/;

Well, we've had problems in the past where people turn on options  
under CONFIG_EXPERIMENTAL or CONFIG_EMBEDDED and it breaks in exactly  
the specified fashion and they complain on LKML.  The point of this  
is to expose kconfig tunables which a "normal" kconfig user would get  
wrong 99% of the time and would break in obscure ways.  For example,  
the "CONFIG_MULTITHREAD_PCI_PROBE" option, if it was re-added for  
more tinkering, could go under this option.

> +config EXPERT
> +	bool
> +	depends on I_KNOW_WHAT_THE_HELL_I_AM_DOING
> +	default y
>
> Given that, I hope the number of options dependent on CONFIG_EXPERT  
> will outnumber those depending on CONFIG_I_KNOW_WTF_I_AM_DOING.

Ah, see, due to the magic of kconfig language this does not show up  
as a separate option (no text for the "bool") identifier.  It's just  
an alias for I_KNOW_WHAT_THE_HELL_I_AM_DOING to make it easier to use  
in other Kconfig files ("depends EXPERT && SOME_OPTION!=n &&  
ANOTHER_OPTION") instead of s/EXPERT/I_KNOW_WHAT_THE_HELL_I_AM_DOING/g.

> If you want my answer: not-so-ACK, move the text to CONFIG_EXPERT  
> and let's stay sane for the next 366 days until next April 01.

:-D

Cheers,
Kyle Moffett

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