Hi Venkateshwar, FYI, the error/warning still remains. tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: e12386f224bfe787db71c18f2c4106e886ac98be commit: bf43a837d149dc4c51971b8698aabcbf7961d930 [874/1290] staging: xlnx_tsmux: Initial version of xlnx mpeg2tsmux driver config: nds32-defconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout bf43a837d149dc4c51971b8698aabcbf7961d930 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot All errors (new ones prefixed by >>): >> error: include/uapi/linux/xlnx_mpg2tsmux_interface.h: missing "WITH Linux-syscall-note" for SPDX-License-Identifier make[2]: *** [scripts/Makefile.headersinst:66: usr/include/linux/xlnx_mpg2tsmux_interface.h] Error 1 error: include/uapi/linux/xilinx-v4l2-events.h: missing "WITH Linux-syscall-note" for SPDX-License-Identifier make[2]: *** [scripts/Makefile.headersinst:66: usr/include/linux/xilinx-v4l2-events.h] Error 1 error: include/uapi/linux/xlnxsync.h: missing "WITH Linux-syscall-note" for SPDX-License-Identifier make[2]: *** [scripts/Makefile.headersinst:66: usr/include/linux/xlnxsync.h] Error 1 make[2]: Target '__headers' not remade because of errors. make[1]: *** [Makefile:1195: headers] Error 2 :1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:179: sub-make] Error 2 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org