Hi Alexandre, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v6.2] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Alexandre-Ghiti/riscv-Allow-to-downgrade-paging-mode-from-the-command-line/20230222-184549 patch link: https://lore.kernel.org/r/20230222104322.1197763-2-alexghiti%40rivosinc.com patch subject: [PATCH v5 1/1] riscv: Allow to downgrade paging mode from the command line config: riscv-randconfig-r042-20230222 (https://download.01.org/0day-ci/archive/20230222/202302222359.LdNxjl1c-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/f92dd2e351d9f51f678f2d7ac63cc3cf85effddd git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Alexandre-Ghiti/riscv-Allow-to-downgrade-paging-mode-from-the-command-line/20230222-184549 git checkout f92dd2e351d9f51f678f2d7ac63cc3cf85effddd # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kernel/pi/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302222359.LdNxjl1c-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> arch/riscv/kernel/pi/cmdline_early.c:50:12: warning: no previous prototype for function 'set_satp_mode_from_cmdline' [-Wmissing-prototypes] u64 __init set_satp_mode_from_cmdline(uintptr_t dtb_pa) ^ arch/riscv/kernel/pi/cmdline_early.c:50:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u64 __init set_satp_mode_from_cmdline(uintptr_t dtb_pa) ^ static 1 warning generated. vim +/set_satp_mode_from_cmdline +50 arch/riscv/kernel/pi/cmdline_early.c 49 > 50 u64 __init set_satp_mode_from_cmdline(uintptr_t dtb_pa) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
