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X-CSE-ConnectionGUID: d9w7kp4XQeqHOQRqtu8Muw== X-CSE-MsgGUID: d+bzizErTemXNymr1CD5PA== X-IronPort-AV: E=McAfee;i="6800,10657,11633"; a="70647713" X-IronPort-AV: E=Sophos;i="6.20,254,1758610800"; d="scan'208";a="70647713" 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251204220957.360838-1-surenb@google.com> X-Stat-Signature: yrs4xqfiqnth76xihe11pqhrxqrr88ep X-Rspam-User: X-Rspamd-Queue-Id: D476240004 X-Rspamd-Server: rspam01 X-HE-Tag: 1764996403-753534 X-HE-Meta: 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 TI+h90bu adok2/qmc0edAtlVRTcr4Sjyko+qX+2ntG8Gn8bx2ebUsK3GejlLL6XUe96rSvqv+i5TruBkSPbx/nQgtJsfjnQKYKs4VpYfFmo0j/rI03FO6WJMB/D3FjCV9wLu7PBFkXQLxQWAiX8wdHNdXvg6NfC145kSiX7f2xiNTfNyFn0/LH7cRo6oFcDI9pNZPDbTG4DMeDITvFWXNZSSPNplXakiBXsnjnDqL24eOEUmXcj0XCYokWjMW91UaKL2v/xz0Y3e+ypEI1R17xHo3MK0lrVHdq5sRIy+uW1NjbTVzdmnzqZkIcxqCwPyO4fXmv06wcst/h9BI2ouctURE2GCIxJyq8zM4bT+AOzy0dht1Q0CY1j2ZLZUKotHk/5w55ARtx6Afo8PmNGLa7to= 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: List-Subscribe: List-Unsubscribe: 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