From: kernel test robot <lkp@intel.com>
To: "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>,
iommu@lists.linux.dev
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
"Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>,
Alex Williamson <alex@shazbot.org>,
Alexey Kardashevskiy <aik@amd.com>,
Bjorn Helgaas <helgaas@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Jacob Pan <jacob.pan@linux.microsoft.com>,
Jason Gunthorpe <jgg@ziepe.ca>, Joerg Roedel <joro@8bytes.org>,
Jonathan Cameron <jic23@kernel.org>,
Jonathan Hunter <jonathanh@nvidia.com>,
Kevin Tian <kevin.tian@intel.com>,
Krishna Reddy <vdumpa@nvidia.com>, Lukas Wunner <lukas@wunner.de>,
Nicolin Chen <nicolinc@nvidia.com>,
Robin Murphy <robin.murphy@arm.com>,
Samuel Ortiz <sameo@rivosinc.com>,
Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
Steven Price <steven.price@arm.com>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Thierry Reding <thierry.reding@kernel.org>,
Vasant Hegde <vasant.hegde@amd.com>,
Will Deacon <will@kernel.org>,
Xu Yilun <yilun.xu@linux.intel.com>,
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
Date: Thu, 5 Nov 2026 22:49:53 +0800 [thread overview]
Message-ID: <202611052227.TxHIjde3-lkp@intel.com> (raw)
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 <lkp@intel.com>
| 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
next prev parent reply other threads:[~2026-11-05 14:50 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-04 16:16 [PATCH v8 00/15] iommufd: TSM-backed virtual IOMMUs for confidential guests Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 01/15] PCI/TSM: Move core code into its own directory Aneesh Kumar K.V (Arm)
2026-11-05 12:24 ` kernel test robot
2026-11-04 16:16 ` [PATCH v8 02/15] virt: coco: tsm: Remove the device from lookup before PCI teardown Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 03/15] virt: coco: tsm: Complete PCI registration before publishing the device Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 04/15] virt: coco: tsm: Require PCI operations when registering a TSM Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 05/15] iommufd/device: Associate KVM file pointer with iommufd_device Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 06/15] iommufd/device: Hold a KVM file reference for the device lifetime Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 07/15] iommufd/viommu: Keep a reference to the KVM file Aneesh Kumar K.V (Arm)
2026-11-04 16:35 ` Jacob Pan
2026-11-04 16:16 ` [PATCH v8 08/15] iommufd: Add a vDEVICE operation ioctl framework Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 09/15] PCI/TSM: Remove the legacy guest request interface Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 10/15] PCI/TSM: Add vIOMMU-bound device contexts Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 11/15] iommufd/viommu: Select vIOMMU operations before allocation Aneesh Kumar K.V (Arm)
2026-11-05 9:10 ` kernel test robot
2026-11-05 14:49 ` kernel test robot [this message]
2026-11-04 16:16 ` [PATCH v8 12/15] iommufd/viommu: Allow PCI TSM backends to provide vIOMMU operations Aneesh Kumar K.V (Arm)
2026-11-04 23:23 ` Jacob Pan
2026-11-05 0:49 ` Jason Gunthorpe
2026-11-04 16:16 ` [PATCH v8 13/15] iommufd/viommu: Allow vIOMMUs without a parent HWPT Aneesh Kumar K.V (Arm)
2026-11-04 19:03 ` Nicolin Chen
2026-11-04 19:31 ` Jason Gunthorpe
2026-11-05 5:28 ` Aneesh Kumar K.V
2026-11-04 16:16 ` [PATCH v8 14/15] PCI/TSM: Wait for device contexts before removing a DSM Aneesh Kumar K.V (Arm)
2026-11-04 16:16 ` [PATCH v8 15/15] PCI/TSM: Wait for users during unregister Aneesh Kumar K.V (Arm)
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