Hi Kefeng, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on arm64/for-next/core] [also build test WARNING on arnd-asm-generic/master akpm-mm/mm-everything linus/master v5.18 next-20220523] [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/intel-lab-lkp/linux/commits/Kefeng-Wang/arm64-Cleanup-ioremap-and-support-ioremap_prot/20220519-161853 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: csky-randconfig-s032-20220522 (https://download.01.org/0day-ci/archive/20220524/202205240657.BXxrhbgp-lkp@xxxxxxxxx/config) compiler: csky-linux-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-dirty # https://github.com/intel-lab-lkp/linux/commit/eb83d30756d3b279ca58791d343dc821291818d0 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kefeng-Wang/arm64-Cleanup-ioremap-and-support-ioremap_prot/20220519-161853 git checkout eb83d30756d3b279ca58791d343dc821291818d0 # 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=csky SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> mm/ioremap.c:59:16: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *addr @@ got void [noderef] __iomem *vaddr @@ mm/ioremap.c:59:16: sparse: expected void const *addr mm/ioremap.c:59:16: sparse: got void [noderef] __iomem *vaddr vim +59 mm/ioremap.c 51 52 void iounmap(volatile void __iomem *addr) 53 { 54 void __iomem *vaddr = (void __iomem *)((unsigned long)addr & PAGE_MASK); 55 56 if (arch_iounmap(vaddr)) 57 return; 58 > 59 vunmap(vaddr); -- 0-DAY CI Kernel Test Service https://01.org/lkp
