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X-CSE-ConnectionGUID: 56ZFf3//SvyECxeJaBCqRQ== X-CSE-MsgGUID: BHhANHMXRyWrFQnSepXKQA== X-IronPort-AV: E=McAfee;i="6800,10657,11633"; a="70647715" X-IronPort-AV: E=Sophos;i="6.20,254,1758610800"; d="scan'208";a="70647715" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Dec 2025 20:46:42 -0800 X-CSE-ConnectionGUID: bLCFu+86SBSWq0DTMpHGIQ== X-CSE-MsgGUID: xb3xY/zMRWCGLVwNVeCjNA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,254,1758610800"; d="scan'208";a="218817889" Received: from lkp-server01.sh.intel.com (HELO 4664bbef4914) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 05 Dec 2025 20:46:38 -0800 Received: from kbuild by 4664bbef4914 with local (Exim 4.98.2) (envelope-from ) id 1vRkBo-00000000FrN-1VtG; Sat, 06 Dec 2025 04:46:36 +0000 Date: Sat, 6 Dec 2025 12:45:46 +0800 From: kernel test robot To: Suren Baghdasaryan , akpm@linux-foundation.org Cc: llvm@lists.linux.dev, 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: <202512061204.aGmmZds2-lkp@intel.com> References: <20251204220957.360838-1-surenb@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev 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: riscv-randconfig-001-20251206 (https://download.01.org/0day-ci/archive/20251206/202512061204.aGmmZds2-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 14bf95b06a18b9b59c89601cbc0e5a6f2176b118) rustc: rustc 1.88.0 (6b00bc388 2025-06-23) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251206/202512061204.aGmmZds2-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/202512061204.aGmmZds2-lkp@intel.com/ All warnings (new ones prefixed by >>): >> lib/codetag.c:37:13: warning: unused variable 'flush_rcu_on_module_unload' [-Wunused-variable] 37 | static bool flush_rcu_on_module_unload; | ^~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. 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