Hi Daniel, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Xu/Add-PROG_TEST_RUN-support-to-BPF_PROG_TYPE_KPROBE/20220530-060742 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: s390-randconfig-r026-20220531 (https://download.01.org/0day-ci/archive/20220531/202205312315.3VC5jz4T-lkp@xxxxxxxxx/config) compiler: s390-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/intel-lab-lkp/linux/commit/a547a4c795103fd002d3bbb5ee4d7141113716c0 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Daniel-Xu/Add-PROG_TEST_RUN-support-to-BPF_PROG_TYPE_KPROBE/20220530-060742 git checkout a547a4c795103fd002d3bbb5ee4d7141113716c0 # 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=s390 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> s390-linux-ld: kernel/trace/bpf_trace.o:(.data.rel.ro+0x100): undefined reference to `bpf_prog_test_run_kprobe' s390-linux-ld: drivers/dma/qcom/hidma.o: in function `hidma_probe': hidma.c:(.text+0x313e): undefined reference to `devm_ioremap_resource' s390-linux-ld: hidma.c:(.text+0x3192): undefined reference to `devm_ioremap_resource' -- 0-DAY CI Kernel Test Service https://01.org/lkp