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/commi...
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(a)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@lists.01.org