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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 01/15] PCI/TSM: Move core code into its own directory
Date: Thu, 5 Nov 2026 20:24:42 +0800	[thread overview]
Message-ID: <202611052018.S2OsLHjD-lkp@intel.com> (raw)
In-Reply-To: <20261104161632.3547423-2-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/20261104161632.3547423-2-aneesh.kumar%40kernel.org
patch subject: [PATCH v8 01/15] PCI/TSM: Move core code into its own directory
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20261105/202611052018.S2OsLHjD-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 812626a41399a1d464a0d69627ab45c83b8ebfb9)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261105/202611052018.S2OsLHjD-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/202611052018.S2OsLHjD-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/pci/tsm/core.c:31:12: warning: variable 'pci_tsm_devsec_count' set but not used [-Wunused-but-set-global]
      31 | static int pci_tsm_devsec_count;
         |            ^
   1 warning generated.


vim +/pci_tsm_devsec_count +31 drivers/pci/tsm/core.c

3225f52cde56f4 drivers/pci/tsm.c Dan Williams 2025-10-31  25  
3225f52cde56f4 drivers/pci/tsm.c Dan Williams 2025-10-31  26  /*
3225f52cde56f4 drivers/pci/tsm.c Dan Williams 2025-10-31  27   * Count of TSMs registered that support physical link operations vs device
3225f52cde56f4 drivers/pci/tsm.c Dan Williams 2025-10-31  28   * security state management.
3225f52cde56f4 drivers/pci/tsm.c Dan Williams 2025-10-31  29   */
3225f52cde56f4 drivers/pci/tsm.c Dan Williams 2025-10-31  30  static int pci_tsm_link_count;
3225f52cde56f4 drivers/pci/tsm.c Dan Williams 2025-10-31 @31  static int pci_tsm_devsec_count;
3225f52cde56f4 drivers/pci/tsm.c Dan Williams 2025-10-31  32  

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

  reply	other threads:[~2026-11-05 12:25 UTC|newest]

Thread overview: 34+ 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 [this message]
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 16:32   ` sashiko-bot
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 16:54   ` sashiko-bot
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)
2026-11-04 17:14   ` sashiko-bot
2026-11-05  9:10   ` kernel test robot
2026-11-05 14:49   ` kernel test robot
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
2026-11-05 17:16       ` Jacob Pan
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
2026-11-05 17:44         ` Nicolin Chen
2026-11-05 18:21           ` Jason Gunthorpe
2026-11-05 18:40             ` Nicolin Chen
2026-11-05 20:07               ` Jason Gunthorpe
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)
2026-11-04 18:00   ` sashiko-bot

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