tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e8361b005d7c92997d12f2b85a9e4a525738bd9d commit: 1337d793ea254e9b6e79568e1dd063c6ed8c2741 [11306/14422] iommufd: Add IOMMU_HWPT_GET_DIRTY_BITMAP config: microblaze-randconfig-r015-20230422 (https://download.01.org/0day-ci/archive/20231024/202310240246.FyXNZrbZ-lkp@xxxxxxxxx/config) compiler: microblaze-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231024/202310240246.FyXNZrbZ-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/202310240246.FyXNZrbZ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): microblaze-linux-ld: drivers/iommu/iommufd/hw_pagetable.o: in function `iommufd_check_iova_range': >> drivers/iommu/iommufd/hw_pagetable.c:234:(.text+0x99c): undefined reference to `__udivdi3' microblaze-linux-ld: drivers/iommu/iommufd/hw_pagetable.o: in function `iommufd_hwpt_get_dirty_bitmap': drivers/iommu/iommufd/hw_pagetable.c:234:(.text+0xa6c): undefined reference to `__udivdi3' vim +234 drivers/iommu/iommufd/hw_pagetable.c 223 224 int iommufd_check_iova_range(struct iommufd_ioas *ioas, 225 struct iommu_hwpt_get_dirty_bitmap *bitmap) 226 { 227 unsigned long npages; 228 size_t iommu_pgsize; 229 int rc = -EINVAL; 230 231 if (!bitmap->page_size) 232 return rc; 233 > 234 npages = bitmap->length / bitmap->page_size; 235 if (!npages || (npages > ULONG_MAX)) 236 return rc; 237 238 iommu_pgsize = ioas->iopt.iova_alignment; 239 240 if (bitmap->iova & (iommu_pgsize - 1)) 241 return rc; 242 243 if (!bitmap->length || bitmap->length & (iommu_pgsize - 1)) 244 return rc; 245 246 return 0; 247 } 248 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
