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

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Date:	Sat, 3 Jan 2009 01:09:57 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Mike Frysinger <vapier@...too.org>,
	Sam Ravnborg <sam@...nborg.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] headers_check.pl: disallow extern's

On Saturday 03 January 2009, Arjan van de Ven wrote:
> in addition... what business does the kernel have to provide function
> prototypes to userspace, other than the system call prototypes?

This is the point I raised in my initial comment: we should warn about
all of them if possible. Note that the syscalls.h file is not even
exported. I can't think of a single case where a function protoype
should be exported from the kernel to user space. 

	Arnd <><
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