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Date:	Sat, 6 Jun 2009 00:41:07 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	"linux-kbuild" <linux-kbuild@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Russell King <rmk+lkml@....linux.org.uk>,
	Jaswinder Singh Rajput <jaswinder@...nel.org>
Subject: Re: [PATCH 17/39] kbuild: fix header export when __ASSEMBLY__ is used

On Friday 05 June 2009 11:42:35 pm Sam Ravnborg wrote:
> Because it does not know __ASSEMBLY__ it does not
> detect that htis is not for userspace.
> This caused too much code to be exported, and headers_check barfed
> over this code.
> 
> For arm this fixes following "make headers_check" warning:
> /usr/include/asm/hwcap.h:29: extern's make no sense in userspace

Are you sure that this is safe for all user space? If a user application
for instance includes asm/signal.h or asm/types.h from assembly (for
whatever reason), it now breaks.

I can't think of a good reason why anyone would do such a thing,
but it used to be possible.

	Arnd <><
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