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    SubjectRe: [kbuild-all] Re: [PATCH v5 RESEND 1/3] vmcore: Convert copy_oldmem_page() to take an iov_iter
    On Sat, Apr 09, 2022 at 09:02:29AM +0800, Baoquan He wrote:
    > 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@intel.com/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?

    not sure whether mkdir -p /root/bin works? I can reproduce this if i don't have ~/bin dir.

    We will look into this to make reproduce step clearer.

    >
    > 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@intel.com>
    > >
    > >
    > > 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
    > >
    > _______________________________________________
    > kbuild-all mailing list -- kbuild-all@lists.01.org
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