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Message-ID: <202203180632.Yo8yADOY-lkp@intel.com>
Date:   Fri, 18 Mar 2022 06:51:02 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nicolin Chen <nicolinc@...dia.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Yi Liu <yi.l.liu@...el.com>
Subject: [luxis1999-iommufd:iommufd-v5.17-rc6 38/40] ld.lld: error: undefined
 symbol: interval_tree_iter_first

tree:   https://github.com/luxis1999/iommufd iommufd-v5.17-rc6
head:   5ab19f95878da0c393e4b8c3f5b0bb51efb9f99a
commit: a7d1827d76767fe3e5366ef50efd50ebea0ed089 [38/40] vfio: Add iommufd VFIO compat support to group_fd
config: x86_64-randconfig-a001 (https://download.01.org/0day-ci/archive/20220318/202203180632.Yo8yADOY-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6ec1e3d798f8eab43fb3a91028c6ab04e115fcb)
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/a7d1827d76767fe3e5366ef50efd50ebea0ed089
        git remote add luxis1999-iommufd https://github.com/luxis1999/iommufd
        git fetch --no-tags luxis1999-iommufd iommufd-v5.17-rc6
        git checkout a7d1827d76767fe3e5366ef50efd50ebea0ed089
        # 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=x86_64 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 >>):

   vmlinux.o: warning: objtool: do_syscall_64()+0x18: call to static_key_count() leaves .noinstr.text section
   vmlinux.o: warning: objtool: do_int80_syscall_32()+0x25: call to static_key_count() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __do_fast_syscall_32()+0x29: call to static_key_count() leaves .noinstr.text section
   vmlinux.o: warning: objtool: fixup_bad_iret()+0x21: call to memset() leaves .noinstr.text section
   vmlinux.o: warning: objtool: in_task_stack()+0xc: call to task_stack_page() leaves .noinstr.text section
   vmlinux.o: warning: objtool: in_entry_stack()+0x9: call to cpu_entry_stack() leaves .noinstr.text section
   vmlinux.o: warning: objtool: enter_from_user_mode()+0x2e: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x36: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x2e: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exit_to_user_mode()+0x26: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_exit_to_user_mode()+0xde: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x2e: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit_to_user_mode()+0x2d: call to __kcsan_check_access() leaves .noinstr.text section
>> ld.lld: error: undefined symbol: interval_tree_iter_first
   >>> referenced by io_pagetable.c:161 (drivers/iommu/iommufd/io_pagetable.c:161)
   >>> iommu/iommufd/io_pagetable.o:(iopt_map_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.h:91 (drivers/iommu/iommufd/io_pagetable.h:91)
   >>> iommu/iommufd/io_pagetable.o:(iopt_map_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.h:91 (drivers/iommu/iommufd/io_pagetable.h:91)
   >>> iommu/iommufd/io_pagetable.o:(iopt_find_exact_area) in archive drivers/built-in.a
   >>> referenced 14 more times
--
>> ld.lld: error: undefined symbol: interval_tree_span_iter_first
   >>> referenced by io_pagetable.c:89 (drivers/iommu/iommufd/io_pagetable.c:89)
   >>> iommu/iommufd/io_pagetable.o:(iopt_map_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c:97 (drivers/iommu/iommufd/io_pagetable.c:97)
   >>> iommu/iommufd/io_pagetable.o:(iopt_map_pages) in archive drivers/built-in.a
   >>> referenced by ioas.c:93 (drivers/iommu/iommufd/ioas.c:93)
   >>> iommu/iommufd/ioas.o:(iommufd_ioas_iova_ranges) in archive drivers/built-in.a
   >>> referenced 8 more times
--
>> ld.lld: error: undefined symbol: interval_tree_span_iter_next
   >>> referenced by io_pagetable.c:101 (drivers/iommu/iommufd/io_pagetable.c:101)
   >>> iommu/iommufd/io_pagetable.o:(iopt_map_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c:92 (drivers/iommu/iommufd/io_pagetable.c:92)
   >>> iommu/iommufd/io_pagetable.o:(iopt_map_pages) in archive drivers/built-in.a
   >>> referenced by ioas.c:96 (drivers/iommu/iommufd/ioas.c:96)
   >>> iommu/iommufd/ioas.o:(iommufd_ioas_iova_ranges) in archive drivers/built-in.a
   >>> referenced 8 more times
--
>> ld.lld: error: undefined symbol: interval_tree_insert
   >>> referenced by io_pagetable.c:179 (drivers/iommu/iommufd/io_pagetable.c:179)
   >>> iommu/iommufd/io_pagetable.o:(iopt_map_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c:528 (drivers/iommu/iommufd/io_pagetable.c:528)
   >>> iommu/iommufd/io_pagetable.o:(iopt_reserve_iova) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c:678 (drivers/iommu/iommufd/io_pagetable.c:678)
   >>> iommu/iommufd/io_pagetable.o:(iopt_table_add_domain) in archive drivers/built-in.a
   >>> referenced 2 more times
--
>> ld.lld: error: undefined symbol: interval_tree_remove
   >>> referenced by io_pagetable.c:192 (drivers/iommu/iommufd/io_pagetable.c:192)
   >>> iommu/iommufd/io_pagetable.o:(iopt_abort_area) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c:546 (drivers/iommu/iommufd/io_pagetable.c:546)
   >>> iommu/iommufd/io_pagetable.o:(iopt_remove_reserved_iova) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c:697 (drivers/iommu/iommufd/io_pagetable.c:697)
   >>> iommu/iommufd/io_pagetable.o:(iopt_table_add_domain) in archive drivers/built-in.a
   >>> referenced 3 more times
--
>> ld.lld: error: undefined symbol: interval_tree_iter_next
   >>> referenced by io_pagetable.h:103 (drivers/iommu/iommufd/io_pagetable.h:103)
   >>> iommu/iommufd/io_pagetable.o:(iopt_access_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.h:103 (drivers/iommu/iommufd/io_pagetable.h:103)
   >>> iommu/iommufd/io_pagetable.o:(iopt_unaccess_pages) in archive drivers/built-in.a
   >>> referenced by io_pagetable.c:543 (drivers/iommu/iommufd/io_pagetable.c:543)
   >>> iommu/iommufd/io_pagetable.o:(iopt_remove_reserved_iova) in archive drivers/built-in.a
   >>> referenced 6 more times

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for IOMMUFD
   Depends on IOMMU_SUPPORT
   Selected by
   - VFIO && MMU && (X86 || S390 || ARM || ARM64)

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

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