[luxis1999-iommufd:iommufd-v5.16-rc3 31/33] ERROR: modpost: "interval_tree_remove" [drivers/iommu/iommufd/iommufd.ko] undefined!

[kernel test robot <lkp@intel.com>]

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tree:   https://github.com/luxis1999/iommufd iommufd-v5.16-rc3
head:   44f89b130eec28760e6b655facd4be49c5bcc3f9
commit: 74814fdbefe2fb370111a0ce00641c64376447cb [31/33] vfio/pci: Add bind_iommufd() support
config: x86_64-randconfig-a001-20211210 (https://download.01.org/0day-ci/archive/20211211/202112110341.e23ozuyj-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/luxis1999/iommufd/commit/74814fdbefe2fb370111a0ce00641c64376447cb
        git remote add luxis1999-iommufd https://github.com/luxis1999/iommufd
        git fetch --no-tags luxis1999-iommufd iommufd-v5.16-rc3
        git checkout 74814fdbefe2fb370111a0ce00641c64376447cb
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 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 >>, old ones prefixed by <<):

>> ERROR: modpost: "interval_tree_remove" [drivers/iommu/iommufd/iommufd.ko] undefined!
>> ERROR: modpost: "interval_tree_insert" [drivers/iommu/iommufd/iommufd.ko] undefined!
>> ERROR: modpost: "interval_tree_span_iter_first" [drivers/iommu/iommufd/iommufd.ko] undefined!
>> ERROR: modpost: "interval_tree_iter_next" [drivers/iommu/iommufd/iommufd.ko] undefined!
>> ERROR: modpost: "interval_tree_span_iter_next" [drivers/iommu/iommufd/iommufd.ko] undefined!
>> ERROR: modpost: "interval_tree_iter_first" [drivers/iommu/iommufd/iommufd.ko] undefined!

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(a)lists.01.org