tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 1716a175592aff9549a0c07aac8f9cadd03003f5 commit: e5f02b51fa0cb785e352e77271a65e96051b789b [13813/14297] LoongArch: Add support for kernel address space layout randomization (KASLR) config: loongarch-randconfig-s053-20230226 (https://download.01.org/0day-ci/archive/20230301/202303011456.WEPeM0ZN-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.1.0 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: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=e5f02b51fa0cb785e352e77271a65e96051b789b 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 e5f02b51fa0cb785e352e77271a65e96051b789b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash 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/202303011456.WEPeM0ZN-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> arch/loongarch/kernel/relocate.c:166:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected char *cmdline @@ got void [noderef] __iomem * @@ arch/loongarch/kernel/relocate.c:166:38: sparse: expected char *cmdline arch/loongarch/kernel/relocate.c:166:38: sparse: got void [noderef] __iomem * vim +166 arch/loongarch/kernel/relocate.c 159 160 void * __init relocate_kernel(void) 161 { 162 unsigned long kernel_length; 163 unsigned long random_offset = 0; 164 void *location_new = _text; /* Default to original kernel start */ 165 void *kernel_entry = start_kernel; /* Default to original kernel entry point */ > 166 char *cmdline = early_ioremap(fw_arg1, COMMAND_LINE_SIZE); /* Boot command line is passed in fw_arg1 */ 167 168 strscpy(boot_command_line, cmdline, COMMAND_LINE_SIZE); 169 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests