tree: https://github.com/luxis1999/iommufd iommufd-v5.17-rc1 head: ebf68af0385d0d5c209e63e8065d31db938275d8 commit: e8571fda9f22c4c339a8c908ba5db3dc78bd3fc8 [22/28] vfio/pci: Add bind_iommufd() support config: microblaze-randconfig-r002-20220209 (https://download.01.org/0day-ci/archive/20220210/202202100557.pXDp0sNZ-lk...) compiler: microblaze-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/luxis1999/iommufd/commit/e8571fda9f22c4c339a8c908ba5db... git remote add luxis1999-iommufd https://github.com/luxis1999/iommufd git fetch --no-tags luxis1999-iommufd iommufd-v5.17-rc1 git checkout e8571fda9f22c4c339a8c908ba5db3dc78bd3fc8 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_pages_get_exact_user': (.text+0x34): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_alloc_area.part.0': (.text+0x2a0): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `__iopt_unmap_iova': (.text+0x3d8): undefined reference to `interval_tree_remove' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_alloc_iova': (.text+0x890): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: (.text+0x9b0): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_map_user_pages': (.text+0xd04): undefined reference to `interval_tree_insert' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_get_pages': (.text+0xe74): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_copy_iova': (.text+0x1114): undefined reference to `interval_tree_insert' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_unmap_iova': (.text+0x1314): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_unmap_all': (.text+0x13e8): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_unaccess_pages': (.text+0x14a0): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x152c): undefined reference to `interval_tree_iter_next' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_access_pages': (.text+0x1820): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x1908): undefined reference to `interval_tree_iter_next' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_reserve_iova': (.text+0x1bf0): undefined reference to `interval_tree_insert' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_remove_reserved_iova': (.text+0x1c60): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x1c84): undefined reference to `interval_tree_iter_next' microblaze-linux-ld: (.text+0x1cdc): undefined reference to `interval_tree_remove' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_table_add_domain': (.text+0x207c): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x20d8): undefined reference to `interval_tree_iter_next' microblaze-linux-ld: (.text+0x210c): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x2180): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x21d0): undefined reference to `interval_tree_insert' microblaze-linux-ld: (.text+0x22cc): undefined reference to `interval_tree_insert' microblaze-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_table_enforce_group_iova': (.text+0x26f4): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x2914): undefined reference to `interval_tree_insert' microblaze-linux-ld: drivers/iommu/iommufd/ioas_pt.o: in function `iommufd_ioas_pagetable_iova_ranges': (.text+0x3f4): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: (.text+0x4d8): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `iopt_pages_unpin': (.text+0x3a4): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: (.text+0x3c8): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: (.text+0x428): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: (.text+0x544): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `pfn_reader_next': (.text+0x13fc): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x14b0): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `__iopt_area_unfill_domain': (.text+0x16bc): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x16ec): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `pfn_reader_init': (.text+0x19e4): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `iopt_area_fill_domains': (.text+0x1f68): undefined reference to `interval_tree_insert' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `iopt_area_unfill_domains': (.text+0x2030): undefined reference to `interval_tree_remove' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `iopt_pages_unfill_xarray': (.text+0x2110): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x2164): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: (.text+0x2188): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: (.text+0x2254): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: (.text+0x227c): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: (.text+0x23c0): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `iopt_pages_fill_xarray': (.text+0x2740): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: (.text+0x27a8): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `iopt_unfill_domain': (.text+0x298c): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x29c0): undefined reference to `interval_tree_remove' microblaze-linux-ld: (.text+0x29f8): undefined reference to `interval_tree_iter_next' microblaze-linux-ld: (.text+0x2a64): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x2a8c): undefined reference to `interval_tree_iter_next' microblaze-linux-ld: (.text+0x2adc): undefined reference to `interval_tree_iter_next' microblaze-linux-ld: (.text+0x2afc): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: (.text+0x2b2c): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: drivers/iommu/iommufd/pages.o: in function `iopt_fill_domain': (.text+0x2c18): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x2c60): undefined reference to `interval_tree_iter_next' microblaze-linux-ld: (.text+0x2cbc): undefined reference to `interval_tree_insert' microblaze-linux-ld: (.text+0x2d6c): undefined reference to `interval_tree_iter_first' microblaze-linux-ld: (.text+0x2db8): undefined reference to `interval_tree_iter_next' microblaze-linux-ld: (.text+0x2df8): undefined reference to `interval_tree_remove' microblaze-linux-ld: drivers/iommu/iommufd/vfio_compat.o: in function `iommufd_fill_cap_iova': (.text+0x26c): undefined reference to `interval_tree_span_iter_first' microblaze-linux-ld: (.text+0x364): undefined reference to `interval_tree_span_iter_next' microblaze-linux-ld: net/core/sock.o: in function `sk_destruct': (.text+0x3fec): undefined reference to `__sk_defer_free_flush' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for IOMMUFD Depends on IOMMU_SUPPORT Selected by - VFIO_PCI_CORE && VFIO && PCI && MMU --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org