[Cluster-devel] [gfs2:for-next.mmap-fault 1/5] ld.lld: error: undefined symbol: fault_in_user_pages

[Cluster-devel] [gfs2:for-next.mmap-fault 1/5] ld.lld: error: undefined symbol: fault_in_user_pages

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git for-next.mmap-fault
head:   caf380f33115de28cbd1d497390d346bedac8238
commit: 4423c35bf0a030f43fb8623a55418b727606c842 [1/5] iov_iter: Introduce fault_in_iov_iter helper
config: riscv-randconfig-r011-20210712 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8d69635ed9ecf36fd0ca85906bfde17949671cbe)
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://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git/commit/?id=4423c35bf0a030f43fb8623a55418b727606c842
        git remote add gfs2 https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git
        git fetch --no-tags gfs2 for-next.mmap-fault
        git checkout 4423c35bf0a030f43fb8623a55418b727606c842
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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@intel.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: fault_in_user_pages
   >>> referenced by iov_iter.c
   >>>               iov_iter.o:(fault_in_iov_iter) in archive lib/built-in.a

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for LOCKDEP
   Depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && (FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86)
   Selected by
   - DEBUG_LOCK_ALLOC && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT

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