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[75.142.250.213]) by smtp.gmail.com with ESMTPSA id e8sm7658678qti.28.2020.11.10.05.12.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Nov 2020 05:12:29 -0800 (PST) Subject: Re: Subject: [RFC] clang tooling cleanups To: Joe Perches , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, cocci Cc: linux-pm@vger.kernel.org, linux-crypto@vger.kernel.org, qat-linux@intel.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-iio@vger.kernel.org, linux-rdma@vger.kernel.org, linux-mmc@vger.kernel.org, netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-rtc@vger.kernel.org, linux-scsi@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-samsung-soc@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-nfs@vger.kernel.org, tipc-discussion@lists.sourceforge.net, alsa-devel@alsa-project.org, linux-rpi-kernel@lists.infradead.org, linux-tegra@vger.kernel.org References: <20201027164255.1573301-1-trix@redhat.com> <3c39c363690d0b46069afddc3ad09213011e5cd4.camel@perches.com> From: Tom Rix Message-ID: Date: Tue, 10 Nov 2020 05:12:26 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <3c39c363690d0b46069afddc3ad09213011e5cd4.camel@perches.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org On 11/9/20 6:52 PM, Joe Perches wrote: > On Tue, 2020-10-27 at 09:42 -0700, trix@redhat.com wrote: >> This rfc will describe >> An upcoming treewide cleanup. >> How clang tooling was used to programatically do the clean up. >> Solicit opinions on how to generally use clang tooling. >> >> The clang warning -Wextra-semi-stmt produces about 10k warnings. >> Reviewing these, a subset of semicolon after a switch looks safe to >> fix all the time. An example problem >> >> void foo(int a) { >>      switch(a) { >>       case 1: >> ... >>      }; <--- extra semicolon >> } >> >> Treewide, there are about 100 problems in 50 files for x86_64 allyesconfig. >> These fixes will be the upcoming cleanup. > coccinelle already does some of these. > > For instance: scripts/coccinelle/misc/semicolon.cocci > > Perhaps some tool coordination can be done here as > coccinelle/checkpatch/clang/Lindent call all be used > to do some facet or another of these cleanup issues. Thanks for pointing this out. I will take a look at it. Tom > >