On 05/06/22 at 09:59pm, kernel test robot wrote: > 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 This is an existed warning, not related to the code change in patch "vmcore: convert copy_oldmem_page() to take an iov_iter". I have queued a patch to fix the warning, will send it to SuperH maintainer. > 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 >