From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933706AbaLKDFG (ORCPT ); Wed, 10 Dec 2014 22:05:06 -0500 Received: from smtprelay0076.hostedemail.com ([216.40.44.76]:47128 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933176AbaLKDFE (ORCPT ); Wed, 10 Dec 2014 22:05:04 -0500 X-Session-Marker: 6A6F6540706572636865732E636F6D X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,joe@perches.com,:::::::::::::::::::::::,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1373:1437:1515:1516:1518:1534:1539:1593:1594:1711:1730:1747:1777:1792:2393:2553:2559:2562:2828:3138:3139:3140:3141:3142:3352:3622:3865:3866:3867:3871:3872:3873:3874:4250:4321:4605:5007:6261:7576:7903:10004:10400:10471:10848:11026:11232:11658:11914:12048:12517:12519:12679:12740:13019:13069:13161:13229:13255:13311:13357:21080,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: boat55_ea752d9aca4c X-Filterd-Recvd-Size: 2030 Message-ID: <1418267099.18092.28.camel@perches.com> Subject: default enable sparse __CHECK_ENDIAN__ (was: Re: [PATCH v7 2/3] net: Add Keystone NetCP ethernet driver) From: Joe Perches To: David Miller , Andrew Morton , Christopher Li , Michal Marek Cc: m-karicheri2@ti.com, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, robh+dt@kernel.org, grant.likely@linaro.org, linux-sparse@vger.kernel.org Date: Wed, 10 Dec 2014 19:04:59 -0800 In-Reply-To: <20141210.204110.618599360537141819.davem@davemloft.net> References: <1417556503-22290-3-git-send-email-m-karicheri2@ti.com> <20141209.131053.2026868499542642866.davem@davemloft.net> <5488BB96.9070609@ti.com> <20141210.204110.618599360537141819.davem@davemloft.net> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.12.7-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2014-12-10 at 20:41 -0500, David Miller wrote: > From: Murali Karicheri > > Are you referring to the static code analyser sparse that is invoked > > through? > You have to explicitly enable endian checking, it's not on by > default. There don't seem to be thousands of warnings anymore. Maybe it's time to default enable it when using C=? from: Documentation/sparse.txt: The optional make variable CF can be used to pass arguments to sparse. The build system passes -Wbitwise to sparse automatically. To perform endianness checks, you may define __CHECK_ENDIAN__: make C=2 CF="-D__CHECK_ENDIAN__" These checks are disabled by default as they generate a host of warnings.