Hi Alexandre, Thank you for the patch! Yet something to improve: [auto build test ERROR on lwn/docs-next] [also build test ERROR on linus/master v5.12-rc2 next-20210312] [cannot apply to soc/for-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Alexandre-Ghiti/Move-kernel-mapping-outside-the-linear-mapping/20210313-173049 base: git://git.lwn.net/linux-2.6 docs-next config: riscv-nommu_k210_defconfig (attached as .config) compiler: riscv64-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 # https://github.com/0day-ci/linux/commit/78f684d0ab9dfe75ab40951ce9edd835b6658209 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Alexandre-Ghiti/Move-kernel-mapping-outside-the-linear-mapping/20210313-173049 git checkout 78f684d0ab9dfe75ab40951ce9edd835b6658209 # 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@xxxxxxxxx> All errors (new ones prefixed by >>): arch/riscv/kernel/setup.c: In function 'setup_arch': >> arch/riscv/kernel/setup.c:269:2: error: implicit declaration of function 'protect_kernel_linear_mapping_text_rodata' [-Werror=implicit-function-declaration] 269 | protect_kernel_linear_mapping_text_rodata(); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/protect_kernel_linear_mapping_text_rodata +269 arch/riscv/kernel/setup.c 235 236 void __init setup_arch(char **cmdline_p) 237 { 238 parse_dtb(); 239 init_mm.start_code = (unsigned long) _stext; 240 init_mm.end_code = (unsigned long) _etext; 241 init_mm.end_data = (unsigned long) _edata; 242 init_mm.brk = (unsigned long) _end; 243 244 *cmdline_p = boot_command_line; 245 246 early_ioremap_setup(); 247 jump_label_init(); 248 parse_early_param(); 249 250 efi_init(); 251 setup_bootmem(); 252 paging_init(); 253 init_resources(); 254 #if IS_ENABLED(CONFIG_BUILTIN_DTB) 255 unflatten_and_copy_device_tree(); 256 #else 257 if (early_init_dt_verify(__va(dtb_early_pa))) 258 unflatten_device_tree(); 259 else 260 pr_err("No DTB found in kernel mappings\n"); 261 #endif 262 misc_mem_init(); 263 264 sbi_init(); 265 266 if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX)) 267 protect_kernel_text_data(); 268 > 269 protect_kernel_linear_mapping_text_rodata(); 270 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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