Hi Nicolin, kernel test robot noticed the following build warnings: [auto build test WARNING on e94dc6ddda8dd3770879a132d577accd2cce25f9] url: https://github.com/intel-lab-lkp/linux/commits/Nicolin-Chen/iommufd-Keep-OBJ-IOCTL-lists-in-an-alphabetical-order/20250108-011247 base: e94dc6ddda8dd3770879a132d577accd2cce25f9 patch link: https://lore.kernel.org/r/03c01be90e53f743a91b6c1376c408404b891867.1736237481.git.nicolinc%40nvidia.com patch subject: [PATCH v5 14/14] iommu/arm-smmu-v3: Report events that belong to devices attached to vIOMMU config: arm64-randconfig-r131-20250109 (https://download.01.org/0day-ci/archive/20250109/202501091822.4ocbIobQ-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce: (https://download.01.org/0day-ci/archive/20250109/202501091822.4ocbIobQ-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202501091822.4ocbIobQ-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c:461:21: sparse: sparse: invalid assignment: &= drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c:461:21: sparse: left side has type restricted __le64 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c:461:21: sparse: right side has type unsigned long long drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c:462:21: sparse: sparse: invalid assignment: |= drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c:462:21: sparse: left side has type restricted __le64 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c:462:21: sparse: right side has type unsigned long long >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c:464:23: sparse: sparse: cast from restricted __le64 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c:465:23: sparse: sparse: cast from restricted __le64 vim +461 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-iommufd.c 455 456 int arm_vmaster_report_event(struct arm_smmu_vmaster *vmaster, u64 *evt) 457 { 458 struct iommu_vevent_arm_smmuv3 vevt = 459 *(struct iommu_vevent_arm_smmuv3 *)evt; 460 > 461 vevt.evt[0] &= ~EVTQ_0_SID; 462 vevt.evt[0] |= FIELD_PREP(EVTQ_0_SID, vmaster->vsid); 463 > 464 vevt.evt[0] = cpu_to_le64(vevt.evt[0]); 465 vevt.evt[1] = cpu_to_le64(vevt.evt[1]); 466 467 return iommufd_viommu_report_event(&vmaster->vsmmu->core, 468 IOMMU_VEVENTQ_TYPE_ARM_SMMUV3, &vevt, 469 sizeof(vevt)); 470 } 471 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
