tree: https://github.com/avpatel/linux.git riscv_kvm_v12 head: e9bbdd64bdddb8929771b5e93c8c8338fd63d973 commit: be249da5f1e9534ae9c1d00e55d4337a35554f3e [8/24] RISC-V: Add initial skeletal KVM support config: riscv-randconfig-a001-20200413 (attached as .config) compiler: riscv64-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 be249da5f1e9534ae9c1d00e55d4337a35554f3e # save the attached .config to linux build tree GCC_VERSION=9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): make[2]: *** [scripts/Makefile.headersinst:63: usr/include/asm/kvm.h] Error 1 make[2]: Target '__headers' not remade because of errors. make[1]: *** [Makefile:1225: headers] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:180: sub-make] Error 2 36 real 25 user 30 sys 156.19% cpu make prepare --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org