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X-CSE-ConnectionGUID: rAt4KRR5Qg2KcWuO4Up6ZA== X-CSE-MsgGUID: HU7hS7siQIKvbO6udBxM7g== X-IronPort-AV: E=McAfee;i="6800,10657,11633"; a="78495335" X-IronPort-AV: E=Sophos;i="6.20,254,1758610800"; d="scan'208";a="78495335" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Dec 2025 21:08:42 -0800 X-CSE-ConnectionGUID: I4OZjqtfTXK8E7qqm+r7kg== X-CSE-MsgGUID: 7J5EECH7QGWKBstfAoTTMQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,254,1758610800"; d="scan'208";a="199911933" Received: from lkp-server01.sh.intel.com (HELO 4664bbef4914) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 05 Dec 2025 21:08:39 -0800 Received: from kbuild by 4664bbef4914 with local (Exim 4.98.2) (envelope-from ) id 1vRkX6-00000000Fs9-3wHJ; Sat, 06 Dec 2025 05:08:36 +0000 Date: Sat, 6 Dec 2025 13:08:09 +0800 From: kernel test robot To: Suren Baghdasaryan , akpm@linux-foundation.org Cc: oe-kbuild-all@lists.linux.dev, kent.overstreet@linux.dev, vbabka@suse.cz, harry.yoo@oracle.com, da.gomez@kernel.org, jonathanh@nvidia.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Suren Baghdasaryan Subject: Re: [PATCH 1/1] alloc_tag: skip rcu barrier on module unload if profiling was not enabled Message-ID: <202512061207.7zufoIcC-lkp@intel.com> References: <20251204220957.360838-1-surenb@google.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20251204220957.360838-1-surenb@google.com> Hi Suren, kernel test robot noticed the following build warnings: [auto build test WARNING on 3f43be96f919cc611dcb2a4e38dd464831f4513e] url: https://github.com/intel-lab-lkp/linux/commits/Suren-Baghdasaryan/alloc_tag-skip-rcu-barrier-on-module-unload-if-profiling-was-not-enabled/20251205-061310 base: 3f43be96f919cc611dcb2a4e38dd464831f4513e patch link: https://lore.kernel.org/r/20251204220957.360838-1-surenb%40google.com patch subject: [PATCH 1/1] alloc_tag: skip rcu barrier on module unload if profiling was not enabled config: parisc-randconfig-002-20251206 (https://download.01.org/0day-ci/archive/20251206/202512061207.7zufoIcC-lkp@intel.com/config) compiler: hppa-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251206/202512061207.7zufoIcC-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/202512061207.7zufoIcC-lkp@intel.com/ All warnings (new ones prefixed by >>): >> lib/codetag.c:37:13: warning: 'flush_rcu_on_module_unload' defined but not used [-Wunused-variable] 37 | static bool flush_rcu_on_module_unload; | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/flush_rcu_on_module_unload +37 lib/codetag.c 34 35 static DEFINE_MUTEX(codetag_lock); 36 static LIST_HEAD(codetag_types); > 37 static bool flush_rcu_on_module_unload; 38 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki