Re: [PATCH bpf-next 1/2] bpf: enable the "open" operator on a pinned path of a struct_osp link.

[kernel test robot <lkp@intel.com>]

Hi Kui-Feng,

kernel test robot noticed the following build errors:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Kui-Feng-Lee/bpf-enable-the-open-operator-on-a-pinned-path-of-a-struct_osp-link/20240417-082736
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20240417002513.1534535-2-thinker.li%40gmail.com
patch subject: [PATCH bpf-next 1/2] bpf: enable the "open" operator on a pinned path of a struct_osp link.
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240418/202404180747.NXWUtZTG-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7089c359a3845323f6f30c44a47dd901f2edfe63)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240418/202404180747.NXWUtZTG-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404180747.NXWUtZTG-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: bpffs_struct_ops_link_open
   >>> referenced by syscall.c
   >>>               kernel/bpf/syscall.o:(bpf_link_open) in archive vmlinux.a

-- 
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https://github.com/intel/lkp-tests/wiki