linux-kernel - Re: kbuild update

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Message-ID: <20070916203848.GA10365@uranus.ravnborg.org>
Date:	Sun, 16 Sep 2007 22:38:48 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Robert P. J. Day" <rpjday@...dspring.com>,
	kbuild devel <kbuild-devel@...ts.sourceforge.net>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: kbuild update

On Sun, Sep 16, 2007 at 12:23:43PM -0700, Andrew Morton wrote:
> On Sun, 16 Sep 2007 08:58:03 -0400 (EDT) "Robert P. J. Day" <rpjday@...dspring.com> wrote:
> 
> > On Sun, 16 Sep 2007, Sam Ravnborg wrote:
> > 
> > > A summary of what is planned to be submitted in next merge window for kbuild.
> > > The shortlog below have additional details but the headlines are:
> > ...
> > > o add script to find unused kconfig symbols (try it!)
> > 
> > based on my experiences with this, unless you filter carefully, you're
> > going to end up with a *whack* of false positives given the number of
> > developers who elect to name their local macros starting with a prefix
> > of "CONFIG_".  good luck dealing with *that*.  :-)
> 
> box:/usr/src/linux-2.6.23-rc6> grep -r '^[      ]*#[    ]*define[       ]*CONFIG_' . | wc -l
> 415
> 
> bah.  They're all bugs - The CONFIG_foo namespace is (should be) reserved in
> kernel coding.

I get (after a bit more filtering 349 hits of which 182 are outside drivers/

Of the 182 the 25 of them are in arch specific code.

I se no good reasons to address this unless we touch code in that area anyway.
But avoiding new entries are good.

	Sam

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