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a="2551310" X-IronPort-AV: E=Sophos;i="6.27,197,1787036400"; d="scan'208";a="2551310" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2026 06:50:19 -0800 X-CSE-ConnectionGUID: /dk8MTNSRPGYLMVUiJXO/Q== X-CSE-MsgGUID: pVjBF9RvTTCjveglukFKDg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,197,1787036400"; d="scan'208";a="7151193" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 05 Nov 2026 06:50:13 -0800 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xOyn4-00000000mLb-00W9; Thu, 05 Nov 2026 14:50:10 +0000 Date: Thu, 5 Nov 2026 22:49:53 +0800 From: kernel test robot To: "Aneesh Kumar K.V (Arm)" , iommu@lists.linux.dev Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, "Aneesh Kumar K.V (Arm)" , Alex Williamson , Alexey Kardashevskiy , Bjorn Helgaas , Catalin Marinas , Jacob Pan , Jason Gunthorpe , Joerg Roedel , Jonathan Cameron , Jonathan Hunter , Kevin Tian , Krishna Reddy , Lukas Wunner , Nicolin Chen , Robin Murphy , Samuel Ortiz , Shameer Kolothum , Steven Price , Suravee Suthikulpanit , Suzuki K Poulose , Thierry Reding , Vasant Hegde , Will Deacon , Xu Yilun , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH v8 11/15] iommufd/viommu: Select vIOMMU operations before allocation Message-ID: <202611052227.TxHIjde3-lkp@intel.com> References: <20261104161632.3547423-12-aneesh.kumar@kernel.org> X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261104161632.3547423-12-aneesh.kumar@kernel.org> Hi Aneesh, kernel test robot noticed the following build warnings: [auto build test WARNING on 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4] url: https://github.com/intel-lab-lkp/linux/commits/Aneesh-Kumar-K-V-Arm/PCI-TSM-Move-core-code-into-its-own-directory/20261104-214618 base: 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4 patch link: https://lore.kernel.org/r/20261104161632.3547423-12-aneesh.kumar%40kernel.org patch subject: [PATCH v8 11/15] iommufd/viommu: Select vIOMMU operations before allocation config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20261105/202611052227.TxHIjde3-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) rustc: rustc 1.96.0 (ac68faa20 2026-05-25) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261105/202611052227.TxHIjde3-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/202611052227.TxHIjde3-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iommu/amd/iommufd.c:81:40: warning: unused variable 'amd_viommu_ops' [-Wunused-const-variable] 81 | static const struct iommufd_viommu_ops amd_viommu_ops = { | ^~~~~~~~~~~~~~ 1 warning generated. vim +/amd_viommu_ops +81 drivers/iommu/amd/iommufd.c 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 76 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 77 /* 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 78 * See include/linux/iommufd.h 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 79 * struct iommufd_viommu_ops - vIOMMU specific operations 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 80 */ 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 @81 static const struct iommufd_viommu_ops amd_viommu_ops = { -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki