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Thu, 29 Jun 2023 23:06:21 -0700 (PDT) Date: Fri, 30 Jun 2023 11:36:19 +0530 From: Viresh Kumar To: Nathan Chancellor Cc: Zhipeng Wang , kernel test robot , "llvm@lists.linux.dev" , "oe-kbuild-all@lists.linux.dev" , Linux Memory Management List Subject: Re: [EXT] Re: [linux-next:master 5324/12162] drivers/cpufreq/cpufreq-dt-platdev.c:18:34: warning: unused variable 'allowlist' Message-ID: <20230630060619.zsfw4aynce7wt7cv@vireshk-i7> References: <202306250025.savpMM8L-lkp@intel.com> <20230626065345.2i562lyf23fantlm@vireshk-i7> <20230628153923.GA254367@dev-arch.thelio-3990X> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230628153923.GA254367@dev-arch.thelio-3990X> X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 7645814001B X-Stat-Signature: inq1i8wkz4u3hizguum7jyxsc8tjoft3 X-HE-Tag: 1688105183-217452 X-HE-Meta: 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 7W4t4+TL MbQscB0RoF7NFnlYH/flkIK2h/fq5N0MkKzkoQRjdnC0ocJ9uSLkgkbAz+KFETNBvPMyBwede92ApsqEQn4Dvc4rXxXWXdW0Uh54BaBjDAx59S9KbsgeVOlwN+w78MZN/P/8zuF01PMd1uZwDhep0GaPa2YGh0bRs5yerLkxRltQWUGY3+Q9B9xBQOYtuyKx5lX//NQr/JPUABo5JXlr3sdPWQK2BosdBByBC8946NiW2/js/esG7WwEIdm3Z4sJvy9oVY5dqMZwchyXocHDpXSAQnpp/sW3EfJqSftYG/XN8Ds83lGk+ZPobsTHSFotfCX/oB/llybi4faWVD5qIn3n56HBCjiFK+4vdQ9NwX3+OV2l1MZGG34mlbLEjpJnuF+2FOa8oizu7YuoLAVEjoZ8tTKJfrw1qYJA+yU75Bf2ljhvjDLm+2iZvanfJ8iTZ4Nx9OvZx41THA5xcWCvQXwlPcw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 28-06-23, 08:39, Nathan Chancellor wrote: > On Wed, Jun 28, 2023 at 01:33:40AM +0000, Zhipeng Wang wrote: > > Hi, > > > > I'm sorry for responding so late. I have also tried to reproduce this issue many times and I have not reproduced it. > > I can reproduce this with the configuration that the robot provided, > even with GCC. > > $ curl -LSso .config https://download.01.org/0day-ci/archive/20230625/202306250025.savpMM8L-lkp@intel.com/config > > $ make -skj"$(nproc)" ARCH=i386 CROSS_COMPILE=x86_64-linux- W=1 olddefconfig drivers/cpufreq/cpufreq-dt-platdev.o > drivers/cpufreq/cpufreq-dt-platdev.c:105:34: warning: 'blocklist' defined but not used [-Wunused-const-variable=] > 102 | static const struct of_device_id blocklist[] __initconst = { > | ^~~~~~~~~ > drivers/cpufreq/cpufreq-dt-platdev.c:18:34: warning: 'allowlist' defined but not used [-Wunused-const-variable=] > 17 | static const struct of_device_id allowlist[] __initconst = { > | ^~~~~~~~~ > > The W=1 is the key here, this warning is not enabled in a normal build. This > configuration does not have CONFIG_OF=y, so of_match_node() is just defined as > NULL, meaning these variables are indeed unused. Ahh. Sent a patch to fix it now. Thanks. > However, I am kind of confused as to how the robot landed on 3b062a08698 as the > problematic commit, as I can reproduce these warnings without it. Right. -- viresh