linux-kernel - Re: [PATCH] treewide: Use __printf not __attribute_

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Message-ID: <1318355030.8896.12.camel@Joe-Laptop>
Date:	Tue, 11 Oct 2011 10:43:50 -0700
From:	Joe Perches <joe@...ches.com>
To:	"Kirill A. Shutemov" <kirill@...temov.name>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Kosina <trivial@...nel.org>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org
Subject: Re: [PATCH] treewide: Use __printf not
 __attribute__((format(printf,...)))

On Tue, 2011-10-11 at 20:22 +0300, Kirill A. Shutemov wrote:
> On Thu, Aug 25, 2011 at 07:55:37PM -0700, Joe Perches wrote:
> > Standardize the style for compiler based printf format verification.
> > Standardized the location of __printf too.
> > Done via script and a little typing.
> > $ grep -rPl --include=*.[ch] -w "__attribute__" * | \
> >   grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \
> >   xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }'
> > Completely untested...
> This patch breaks ARCH=um (linux-next-20111011):

Hi Kirill, thanks for reporting this.

I think it breaks almost all the the arches with modifications.

> In file included from /home/kas/git/public/linux-next/arch/um/os-Linux/aio.c:17:0:
> /home/kas/git/public/linux-next/arch/um/include/shared/user.h:26:17: error: expected declaration specifiers or ‘...’ before numeric constant

Hey Andrew, I think _all_ of the arch/... changes
except arch/frv and arch/s390 should be reverted.

Andrew, I don't know if you saw this:
https://lkml.org/lkml/2011/9/28/324


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