linux-kernel - Re: kernel coding style for if ... else which cross #ifdef

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Date:	Sat, 24 May 2008 11:12:06 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Vegard Nossum <vegard.nossum@...il.com>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Sam Ravnborg <sam@...nborg.org>,
	Steve French <smfrench@...il.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: kernel coding style for if ... else which cross #ifdef

Vegard Nossum wrote:
> 
> Why not use all-lowercase config_* names? It seems elegant, and fits
> in with the notion that these are to be used not as macros, but as
> ordinary constants.
> 
> (The only disadvantage I can see is that they will stand out less. But
> I don't know how great the disadvantage is.)
> 

I think that would be a massive disadvantage.  Furthermore, they *can* 
(and arguably *should*) still be used for the preprocessor; something like:

#if CFG_BLUTTAN

... at least can be configured to warn on a typo.

	-hpa

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