Hi Wang, Thank you for the patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Wang-Wenhu/mm-eliminate-ifdef-of-HAVE_IOREMAP_PROT-in-c-files/20220615-140135 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: arm-randconfig-s032-20220622 (https://download.01.org/0day-ci/archive/20220622/202206221053.GV7BYwqL-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0 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: v0.6.4-31-g4880bd19-dirty # https://github.com/intel-lab-lkp/linux/commit/b20efcc877829b6f416cf111bd5ad2b13a0cd08e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Wang-Wenhu/mm-eliminate-ifdef-of-HAVE_IOREMAP_PROT-in-c-files/20220615-140135 git checkout b20efcc877829b6f416cf111bd5ad2b13a0cd08e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> arm-linux-gnueabi-ld: drivers/char/mem.o:(.rodata+0x144): undefined reference to `generic_access_phys' -- 0-DAY CI Kernel Test Service https://01.org/lkp
