Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758893Ab1D1QSP (ORCPT ); Thu, 28 Apr 2011 12:18:15 -0400 Received: from cantor2.suse.de ([195.135.220.15]:49233 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752327Ab1D1QSN (ORCPT ); Thu, 28 Apr 2011 12:18:13 -0400 Date: Thu, 28 Apr 2011 18:18:07 +0200 From: Michal Marek To: Borislav Petkov Cc: Sam Ravnborg , linux-kbuild , LKML , Dave Jones , Geert Uytterhoeven Subject: Re: [PATCH v3.2] kbuild: implement several W= levels Message-ID: <20110428161807.GB1619@sepie.suse.cz> References: <20110427113513.GB18112@eferding.osrc.amd.com> <1303935327-5154-1-git-send-email-bp@alien8.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1303935327-5154-1-git-send-email-bp@alien8.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1736 Lines: 49 On Wed, Apr 27, 2011 at 10:15:27PM +0200, Borislav Petkov wrote: > From: Sam Ravnborg > > Building a kernel with "make W=1" produces far too much noise to be > useful. > > Divide the warning options in three groups: > > W=1 - warnings that may be relevant and does not occur too often > W=2 - warnings that occur quite often but may still be relevant > W=3 - the more obscure warnings, can most likely be ignored > > When building the whole kernel, those levels produce: > > W=1 - 4859 warnings > W=2 - 1394 warnings > W=3 - 86666 warnings > > respectively. Warnings have been counted with Geert's script at > > http://www.kernel.org/pub/linux/kernel/people/geert/linux-log/linux-log-summary.pl > > Many warnings occur from .h files so fixing one file may have a nice > effect on the total number of warnings. > > With these changes I am actually tempted to try W=1 now and then. > Previously there was just too much noise. > > Borislav: > > - make the W= levels exclusive > - move very noisy and making little sense for the kernel warnings to W=3 > - drop -Woverlength-strings due to useless warning message > - copy explanatory text for the different warning levels to 'make help' > - recount warnings per level > > Signed-off-by: Sam Ravnborg > Signed-off-by: Borislav Petkov > Cc: Dave Jones > Cc: Geert Uytterhoeven Applied to kbuild-2.6.git#kbuild, thanks! Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/