linux-kernel - Re: [PATCH 1/7] Add a target to use the Coccinelle checker

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Message-Id: <201006302352.34594.npalix@diku.dk>
Date:	Wed, 30 Jun 2010 23:52:33 +0200
From:	Nicolas Palix <npalix@...u.dk>
To:	Kulikov Vasiliy <segooon@...il.com>
Cc:	Randy Dunlap <rdunlap@...otime.net>,
	Roland Dreier <rdreier@...co.com>,
	Joe Perches <joe@...ches.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Michal Marek <mmarek@...e.cz>, Sam Ravnborg <sam@...nborg.org>,
	Julia Lawall <julia@...u.dk>,
	Gilles Muller <Gilles.Muller@...6.fr>,
	linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
	cocci@...u.dk, Wolfram Sang <w.sang@...gutronix.de>,
	Kernel Janitors <kernel-janitors@...r.kernel.org>,
	Américo Wang <xiyou.wangcong@...il.com>,
	Andy Isaacson <adi@...apodia.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	walter harms <wharms@....de>, Joerg Roedel <joro@...tes.org>,
	Jan Engelhardt <jengelh@...ozas.de>
Subject: Re: [PATCH 1/7] Add a target to use the Coccinelle checker

On Wednesday 30 June 2010 20:58:54 Kulikov Vasiliy wrote:
> Hi,
> 
> On Sun, Jun 06, 2010 at 17:15 +0200, Nicolas Palix wrote:
> > +    echo ' The semantic patch that makes this change is available'
> > +    echo " in $FILE."
> > +    echo ''
> > +    echo ' More information about semantic patching is available at'
> > +    echo ' http://coccinelle.lip6.fr/'
> > +    echo ''
> > +
> > +    $SPATCH -D $MODE -very_quiet -sp_file $COCCI $OPT -dir $DIR
> 
> Here I've got output:
> 
> /usr/lib/coccinelle/spatch: unknown option `-very_quiet'.
> Usage: spatch -sp_file <SP> <infile> [-o <outfile>] [-iso_file <iso>] [options]
> Options are:
> [...]
> 
> 
> I use ubuntu Lucid 10.04 as said in Documentation/coccinelle.txt.
> 
> $ LANG=C apt-cache policy coccinelle
> [...]
>   Installed: 0.2.0.deb-1ubuntu2
> [...]
> 
> 
> If I delete -very_quiet then It runs OK, but output is not ommited:

Indeed, I just checked that. This option has been added in 0.2.1
which was not ported from Debian before the feature freeze of Ubuntu Lucid :(

> 
> init_defs_builtins: /usr/share/coccinelle/standard.h
> HANDLING: /home/vasya/dev/linux-next/security/min_addr.c
> HANDLING: /home/vasya/dev/linux-next/security/keys/proc.c
> HANDLING: /home/vasya/dev/linux-next/security/keys/keyring.c
> HANDLING: /home/vasya/dev/linux-next/security/keys/gc.c
> HANDLING: /home/vasya/dev/linux-next/security/keys/process_keys.c
> HANDLING: /home/vasya/dev/linux-next/security/keys/request_key_auth.c
> [...]
> 
> 
> > +if [ "$COCCI" = "" ] ; then
> > +    for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
> > +	coccinelle $f $srctree;
> > +    done
> > +else
> > +    coccinelle $COCCI $srctree
> > +fi
> 
> I think it is more usefull to use $M instead of $srctree to run simple
> 'make coccicheck'.

What is the purpose of $M ?

I submitted an incremental patch to add support for $C.


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-- 
Nicolas Palix
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Web: http://www.diku.dk/~npalix/
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