tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 9e5cff2a1315fec1da1f497714395670366506b6 commit: 2bfc6cd81bd17e4306e24ee47b9554c967bcb499 [14875/15421] riscv: Move kernel mapping outside of linear mapping config: riscv-randconfig-s032-20210429 (attached as .config) compiler: riscv32-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 # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2bfc6cd81bd17e4306e24ee47b9554c967bcb499 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 2bfc6cd81bd17e4306e24ee47b9554c967bcb499 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): arch/riscv/mm/physaddr.c: In function '__phys_addr_symbol': >> arch/riscv/mm/physaddr.c:26:46: error: 'kernel_virt_addr' undeclared (first use in this function); did you mean 'kernel_read'? 26 | unsigned long kernel_start = (unsigned long)kernel_virt_addr; | ^~~~~~~~~~~~~~~~ | kernel_read arch/riscv/mm/physaddr.c:26:46: note: each undeclared identifier is reported only once for each function it appears in vim +26 arch/riscv/mm/physaddr.c 23 24 phys_addr_t __phys_addr_symbol(unsigned long x) 25 { > 26 unsigned long kernel_start = (unsigned long)kernel_virt_addr; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org