linux-kernel - [luxis1999-iommufd:iommufd-v5.16-rc3 31/33] ld.lld: error: undefined symbol: interval_tree_span_iter

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Date:   Sat, 11 Dec 2021 07:19:43 +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-v5.16-rc3 31/33] ld.lld: error: undefined
 symbol: interval_tree_span_iter_first

tree:   https://github.com/luxis1999/iommufd iommufd-v5.16-rc3
head:   44f89b130eec28760e6b655facd4be49c5bcc3f9
commit: 74814fdbefe2fb370111a0ce00641c64376447cb [31/33] vfio/pci: Add bind_iommufd() support
config: arm64-randconfig-r014-20211210 (https://download.01.org/0day-ci/archive/20211211/202112110730.YDz5VfLg-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # 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
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 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 >>):

>> ld.lld: error: undefined symbol: interval_tree_span_iter_first
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_alloc_iova) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_alloc_iova) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_access_pages) in archive drivers/built-in.a
   >>> referenced 7 more times
--
>> ld.lld: error: undefined symbol: interval_tree_span_iter_next
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_alloc_iova) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_alloc_iova) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_access_pages) in archive drivers/built-in.a
   >>> referenced 7 more times
--
>> ld.lld: error: undefined symbol: interval_tree_iter_first
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_alloc_area) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_alloc_area) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_area_find_exact) in archive drivers/built-in.a
   >>> referenced 12 more times
--
>> ld.lld: error: undefined symbol: interval_tree_insert
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_area_finalize) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_access_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_reserve_iova) in archive drivers/built-in.a
   >>> referenced 2 more times
--
>> ld.lld: error: undefined symbol: interval_tree_remove
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(__iopt_unmap_iova) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_remove_reserved_iova) in archive drivers/built-in.a
--
>> ld.lld: error: undefined symbol: interval_tree_iter_next
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_access_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_unaccess_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c
   >>> iommu/iommufd/io_pagetable.o:(iopt_remove_reserved_iova) in archive drivers/built-in.a
   >>> referenced 5 more times

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