linux-kernel - Re: [PATCH] unhide CONFIG_DEBUG_SECTION

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Message-ID: <20080214210003.GF21894@uranus.ravnborg.org>
Date:	Thu, 14 Feb 2008 22:00:03 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Erez Zadok <ezk@...sunysb.edu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] unhide CONFIG_DEBUG_SECTION_MISMATCH

On Thu, Feb 14, 2008 at 03:54:04PM -0500, Erez Zadok wrote:
> Using: v2.6.25-rc1-120-ge760e71
> 
> In a normal compilation, I might this message:
> 
> ...
>   MODPOST vmlinux.o
> WARNING: modpost: Found 4 section mismatch(es).
> To see full details build your kernel with:
> 'make CONFIG_DEBUG_SECTION_MISMATCH=y'
> ...
> 
> I can indeed try to re-make, passing CONFIG_DEBUG_SECTION_MISMATCH=y on the
> command line, but I can't turn on the option in my .config.  That's because
> the option depends on "UNDEFINED".  (Was that an attempt to "hide" the
> option?  Why?)  The following small patch allows me to set the option in my
> .config.

It was done so on purpose.
The rationale here is that we yet have too many section mismatch for
a typical build to pass my "good stomach" test.
So until we get down on an acceptable level we should not be
too noisy.
And I wanted it to be turned off also for allyesconfig builds.

I hope to spend time on the reaming warnings soon but the
option will not be enabled until latest next mergewindow.

You could argue that I could have doen this in better ways
The present version was just simple.

	Sam
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