linux-kernel - Re: [PATCH] kbuild: drop check for CONFIG_ in headers

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Message-ID: <20090130234012.GF4922@elte.hu>
Date:	Sat, 31 Jan 2009 00:40:12 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Jaswinder Singh Rajput <jaswinder@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: drop check for CONFIG_ in headers_check


* Sam Ravnborg <sam@...nborg.org> wrote:

> The check for references to CONFIG_ symbols in exported headers turned
> out to be too agressive with the current state of affairs.
> After the work of Jaswinder to clean up all relevant cases we are down
> to almost pure noise.
> 
> So lets drop the check for now - we can always add it back later
> should our headers be ready for that.
> 
> Cc: Jaswinder Singh Rajput <jaswinder@...nel.org>
> Signed-off-by: Sam Ravnborg <sam@...nborg.org>
> ---
> Hi Ingo.
> Please include this in the  tip/core/header-fixes brach
> as this is the natural path towards mainline.
> 
> Jaswinder - thanks for your effort chasing all these warnings!

Applied to tip/core/header-fixes, thanks Sam for the quick patch!

Jaswinder, i think we now have a realistic chance to reach a zero baseline 
with these warnings, for v2.6.29. Here are the remaining warnings (summed 
up per file) on x86 (after Sam's patch):

     17 /dev/shm/tip/usr/include/linux/reiserfs_fs.h
     12 /dev/shm/tip/usr/include/linux/soundcard.h
      3 /dev/shm/tip/usr/include/linux/nubus.h
      2 /dev/shm/tip/usr/include/linux/in6.h
      1 /dev/shm/tip/usr/include/mtd/jffs2-user.h
      1 /dev/shm/tip/usr/include/linux/socket.h
      1 /dev/shm/tip/usr/include/linux/coda_psdev.h
      1 /dev/shm/tip/usr/include/linux/bsg.h

	Ingo
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