On 04/08/22 at 09:17pm, kernel test robot wrote: > Hi Baoquan, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on powerpc/next] > [also build test WARNING on s390/features linus/master v5.18-rc1 next-20220408] > [cannot apply to tip/x86/core hnaz-mm/master arm64/for-next/core] > [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/Baoquan-He/Convert-vmcore-to-use-an-iov_iter/20220408-170846 > base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next > config: sh-randconfig-s032-20220408 (https://download.01.org/0day-ci/archive/20220408/202204082128.JKXXDGpa-lkp@xxxxxxxxx/config) > compiler: sh4-linux-gcc (GCC) 11.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross Thanks for reporting this, do I need to try this on ppc system? I tried on x86_64 system, for the 1st step, I got this: [ ~]# wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross /root/bin/make.cross: No such file or directory What else should I do to proceed? Thanks Baoquan > chmod +x ~/bin/make.cross > # apt-get install sparse > # sparse version: v0.6.4-dirty > # https://github.com/intel-lab-lkp/linux/commit/a5e42962f5c0bea73aa382a2415094b4bd6c6c73 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Baoquan-He/Convert-vmcore-to-use-an-iov_iter/20220408-170846 > git checkout a5e42962f5c0bea73aa382a2415094b4bd6c6c73 > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 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 >