linux-kernel - Re: [PATCH] headers_check.pl: disallow extern's

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Message-Id: <200812271423.19378.vapier@gentoo.org>
Date:	Sat, 27 Dec 2008 14:23:17 -0500
From:	Mike Frysinger <vapier@...too.org>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] headers_check.pl: disallow extern's

On Saturday 27 December 2008 13:43:55 Sam Ravnborg wrote:
> On Sat, Dec 27, 2008 at 02:43:36AM -0500, Mike Frysinger wrote:
> > Since prototypes with "extern" refer to kernel functions, they make no
> > sense in userspace, so reject them automatically.
>
> I do agree with this

so the next question is about using "extern" in general.  unless you have a 
nice way of detecting function prototypes (i certainly dont have a magic regex 
for this that is multiline, etc...), i think we should be using "extern" at 
least in every header that goes to userspace so that we can catch things.
-mike

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