tree:   https://github.com/jgunthorpe/linux iommufd
head:   4d06b5807e799e0293171d872d8c1a40f3b466c5
commit: 7188450644ef414f96455c9f15043990762078a6 [3/8] iommufd: IOCTLs for the io_pagetable
config: openrisc-randconfig-r031-20211117 (attached as .config)
compiler: or1k-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/jgunthorpe/linux/commit/7188450644ef414f96455c9f15043990762078a6
        git remote add jgunthorpe https://github.com/jgunthorpe/linux
        git fetch --no-tags jgunthorpe iommufd
        git checkout 7188450644ef414f96455c9f15043990762078a6
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=openrisc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `interval_tree_span_iter_next_gap':
   io_pagetable.c:(.text+0x91c): undefined reference to `interval_tree_iter_next'
   io_pagetable.c:(.text+0x91c): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_iter_next'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `interval_tree_span_iter_first':
   io_pagetable.c:(.text+0x9f4): undefined reference to `interval_tree_iter_first'
   io_pagetable.c:(.text+0x9f4): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_iter_first'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_unpopulate_domain':
   io_pagetable.c:(.text+0x19b4): undefined reference to `interval_tree_iter_first'
   io_pagetable.c:(.text+0x19b4): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x1a20): undefined reference to `interval_tree_iter_next'
   io_pagetable.c:(.text+0x1a20): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_iter_next'
   or1k-linux-ld: io_pagetable.c:(.text+0x1a6c): undefined reference to `interval_tree_iter_next'
   io_pagetable.c:(.text+0x1a6c): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_iter_next'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_map_user_pages':
   io_pagetable.c:(.text+0x2608): undefined reference to `interval_tree_iter_first'
   io_pagetable.c:(.text+0x2608): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x264c): undefined reference to `interval_tree_iter_first'
   io_pagetable.c:(.text+0x264c): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x2724): undefined reference to `interval_tree_insert'
   io_pagetable.c:(.text+0x2724): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_insert'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_get_pages':
   io_pagetable.c:(.text+0x27bc): undefined reference to `interval_tree_iter_first'
   io_pagetable.c:(.text+0x27bc): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_iter_first'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_copy_iova':
   io_pagetable.c:(.text+0x2a24): undefined reference to `interval_tree_insert'
   io_pagetable.c:(.text+0x2a24): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `interval_tree_insert'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_unmap_iova':
   io_pagetable.c:(.text+0x2bc8): undefined reference to `interval_tree_iter_first'
   io_pagetable.c:(.text+0x2bc8): additional relocation overflows omitted from the output
   or1k-linux-ld: io_pagetable.c:(.text+0x2c48): undefined reference to `interval_tree_remove'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_unmap_all':
   io_pagetable.c:(.text+0x2d78): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x2dec): undefined reference to `interval_tree_remove'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_unaccess_pages':
   io_pagetable.c:(.text+0x3030): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x3128): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x3168): undefined reference to `interval_tree_iter_next'
   or1k-linux-ld: io_pagetable.c:(.text+0x322c): undefined reference to `interval_tree_iter_next'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_access_pages':
   io_pagetable.c:(.text+0x34f0): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x35b8): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x35f8): undefined reference to `interval_tree_iter_next'
   or1k-linux-ld: io_pagetable.c:(.text+0x385c): undefined reference to `interval_tree_iter_next'
   or1k-linux-ld: io_pagetable.c:(.text+0x38f8): undefined reference to `interval_tree_insert'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_destroy_table':
   io_pagetable.c:(.text+0x3aac): undefined reference to `interval_tree_remove'
   or1k-linux-ld: io_pagetable.c:(.text+0x3ac4): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_init_table':
   io_pagetable.c:(.text+0x3c68): undefined reference to `interval_tree_insert'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_table_add_domain':
   io_pagetable.c:(.text+0x3db4): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x3e14): undefined reference to `interval_tree_iter_next'
   or1k-linux-ld: io_pagetable.c:(.text+0x3ee8): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x3fac): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x4000): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: io_pagetable.c:(.text+0x4030): undefined reference to `interval_tree_iter_next'
   or1k-linux-ld: drivers/iommu/iommufd/io_pagetable.o: in function `iopt_table_enforce_group_iova':
   io_pagetable.c:(.text+0x4610): undefined reference to `interval_tree_iter_first'
   or1k-linux-ld: drivers/iommu/iommufd/ioas_pt.o: in function `iommufd_ioas_pagetable_iova_ranges':
>> ioas_pt.c:(.text+0x408): undefined reference to `interval_tree_iter_first'
>> or1k-linux-ld: ioas_pt.c:(.text+0x538): undefined reference to `interval_tree_iter_next'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org