tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 38a288f5941ef03752887ad86f2d85442358c99a commit: 5d8de293c224896a4da99763fce4f9794308caf4 [7193/9759] vmcore: convert copy_oldmem_page() to take an iov_iter config: sh-randconfig-s032-20220506 (https://download.01.org/0day-ci/archive/20220506/202205062129.oGoY3bdy-lkp@xxxxxxxxx/config) compiler: sh4-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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=5d8de293c224896a4da99763fce4f9794308caf4 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 5d8de293c224896a4da99763fce4f9794308caf4 # 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=sh SHELL=/bin/bash arch/sh/kernel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> arch/sh/kernel/crash_dump.c:23:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *addr @@ got void [noderef] __iomem * @@ arch/sh/kernel/crash_dump.c:23:36: sparse: expected void const *addr arch/sh/kernel/crash_dump.c:23:36: sparse: got void [noderef] __iomem * vim +23 arch/sh/kernel/crash_dump.c 13 14 ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn, 15 size_t csize, unsigned long offset) 16 { 17 void __iomem *vaddr; 18 19 if (!csize) 20 return 0; 21 22 vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); > 23 csize = copy_to_iter(vaddr + offset, csize, iter); -- 0-DAY CI Kernel Test Service https://01.org/lkp