linux-kernel - [luxis1999-iommufd:iommufd-v5.17-rc4 21/30] ERROR: modpost: "interval_tree_iter_next" [drivers/iommu/iommufd/iommufd.ko] undefined!

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Date:   Tue, 1 Mar 2022 23:45:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Liu Yi L <yi.l.liu@...el.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [luxis1999-iommufd:iommufd-v5.17-rc4 21/30] ERROR: modpost:
 "interval_tree_iter_next" [drivers/iommu/iommufd/iommufd.ko] undefined!

tree:   https://github.com/luxis1999/iommufd iommufd-v5.17-rc4
head:   2bca5fa75dad57f41002a93861a950d35d55e568
commit: e5b0b18da497e526cec5aad8c987ab9fd704adcd [21/30] vfio/pci: Add bind_iommufd() support
config: riscv-randconfig-r042-20220301 (https://download.01.org/0day-ci/archive/20220301/202203012312.livRTcyQ-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/luxis1999/iommufd/commit/e5b0b18da497e526cec5aad8c987ab9fd704adcd
        git remote add luxis1999-iommufd https://github.com/luxis1999/iommufd
        git fetch --no-tags luxis1999-iommufd iommufd-v5.17-rc4
        git checkout e5b0b18da497e526cec5aad8c987ab9fd704adcd
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "interval_tree_iter_next" [drivers/iommu/iommufd/iommufd.ko] undefined!
>> 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_next" [drivers/iommu/iommufd/iommufd.ko] undefined!
>> ERROR: modpost: "interval_tree_span_iter_first" [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@lists.01.org