tree: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing head: 3b8bbd742e5dd2062c1cc3ba27beb11b48031846 commit: 97dbc05ccb45bfcc8d05b983c4a90bcfca0c7b2e [32/49] iio: sx9310: Enable vdd and svdd regulators at probe config: riscv-randconfig-r032-20200822 (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 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 git checkout 97dbc05ccb45bfcc8d05b983c4a90bcfca0c7b2e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): The function xdr_decode_array2() references the variable __init .L0 . This is often because xdr_decode_array2 lacks a __init annotation or the annotation of .L0 is wrong. The below error/warnings are from parent commit: << WARNING: modpost: vmlinux.o(.data+0x254): Section mismatch in reference from the variable event_initcall_finish to the variable .init.text:.L0 << WARNING: modpost: vmlinux.o(.data+0x51c): Section mismatch in reference from the variable init_task to the variable .init.text:.L29 << WARNING: modpost: vmlinux.o(.data+0x13a25c): Section mismatch in reference from the variable udp_prot to the variable .init.text:.L0 << WARNING: modpost: vmlinux.o(.data+0x146fd0): Section mismatch in reference from the variable errmap to the variable .init.text:.LBB2094 << WARNING: modpost: vmlinux.o(.data+0x146fe4): Section mismatch in reference from the variable errmap to the variable .init.text:.LBE2094 << WARNING: modpost: vmlinux.o(.data+0x146ff8): Section mismatch in reference from the variable errmap to the variable .init.text:.LBB2095 << WARNING: modpost: vmlinux.o(.data+0x14700c): Section mismatch in reference from the variable errmap to the variable .init.text:.LBE2095 << WARNING: modpost: vmlinux.o(.data+0x147020): Section mismatch in reference from the variable errmap to the variable .init.text:.LBB2097 << WARNING: modpost: vmlinux.o(.data+0x147034): Section mismatch in reference from the variable errmap to the variable .init.text:.LBE2097 << WARNING: modpost: vmlinux.o(.data+0x147048): Section mismatch in reference from the variable errmap to the variable .init.text:.LBB2098 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org