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Subject[congwang:sch_bpf 1/3] powerpc-linux-ld: kernel/bpf/syscall.o:undefined reference to `skb_map_ops'
tree:   https://github.com/congwang/linux.git sch_bpf
head: 9f6c12a2c218c56af7d37feeaf21c5b62a8192a0
commit: ef56eb898b1d5c229db544d5933e9c686132ef28 [1/3] bpf: introduce skb map
config: powerpc-randconfig-r021-20220522 (https://download.01.org/0day-ci/archive/20220522/202205220855.HbbxNMrI-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.3.0
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/congwang/linux/commit/ef56eb898b1d5c229db544d5933e9c686132ef28
git remote add congwang https://github.com/congwang/linux.git
git fetch --no-tags congwang sch_bpf
git checkout ef56eb898b1d5c229db544d5933e9c686132ef28
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> powerpc-linux-ld: kernel/bpf/syscall.o:(.rodata+0x538): undefined reference to `skb_map_ops'

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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