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Wysocki" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Arnd Bergmann , Len Brown , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/3] acpi: processor_perflib: extend X86 dependency Message-ID: <202410130611.9S3HzhgF-lkp@intel.com> References: <20241011061948.3211423-3-arnd@kernel.org> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241011061948.3211423-3-arnd@kernel.org> Hi Arnd, kernel test robot noticed the following build warnings: [auto build test WARNING on rafael-pm/linux-next] [also build test WARNING on rafael-pm/bleeding-edge char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus groeck-staging/hwmon-next soc/for-next linus/master v6.12-rc2 next-20241011] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Arnd-Bergmann/acpi-allow-building-without-CONFIG_HAS_IOPORT/20241011-142245 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20241011061948.3211423-3-arnd%40kernel.org patch subject: [PATCH v2 3/3] acpi: processor_perflib: extend X86 dependency config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20241013/202410130611.9S3HzhgF-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 70e0a7e7e6a8541bcc46908c592eed561850e416) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241013/202410130611.9S3HzhgF-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202410130611.9S3HzhgF-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/acpi/processor_perflib.c:27:21: warning: unused variable 'performance_mutex' [-Wunused-variable] 27 | static DEFINE_MUTEX(performance_mutex); | ^~~~~~~~~~~~~~~~~ include/linux/mutex.h:112:15: note: expanded from macro 'DEFINE_MUTEX' 112 | struct mutex mutexname = __MUTEX_INITIALIZER(mutexname) | ^~~~~~~~~ 1 warning generated. vim +/performance_mutex +27 drivers/acpi/processor_perflib.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 26 65c19bbd28cba5 Arjan van de Ven 2006-04-27 @27 static DEFINE_MUTEX(performance_mutex); ^1da177e4c3f41 Linus Torvalds 2005-04-16 28 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki