Re: [PATCH V4 2/2] riscv: add RISC-V Svpbmt extension supports

[kernel test robot <lkp@intel.com>]

[-- Attachment #1: Type: text/plain, Size: 2554 bytes --]

Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master hch-configfs/for-next v5.16-rc3 next-20211126]
[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/0day-ci/linux/commits/wefu-redhat-com/riscv-add-RISC-V-Svpbmt-Standard-Extension-supports/20211129-094324
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20211129/202111291239.amHhKURM-lkp(a)intel.com/config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/b5b3142cd92db4be84159d03f650cf8e3ec00fda
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review wefu-redhat-com/riscv-add-RISC-V-Svpbmt-Standard-Extension-supports/20211129-094324
        git checkout b5b3142cd92db4be84159d03f650cf8e3ec00fda
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/riscv/mm/init.c:859:8: warning: ignoring attribute 'section (".data..ro_after_init")' because it conflicts with previous 'section (".data..cacheline_aligned")' [-Wattributes]
     859 | struct __svpbmt_struct __svpbmt __ro_after_init;
         |        ^~~~~~~~~~~~~~~
   In file included from arch/riscv/include/asm/pgtable.h:12,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:33,
                    from arch/riscv/mm/init.c:10:
   arch/riscv/include/asm/pgtable-bits.h:48:3: note: previous declaration here
      48 | } __svpbmt __cacheline_aligned;
         |   ^~~~~~~~


vim +859 arch/riscv/mm/init.c

   857	
   858	#if defined(CONFIG_64BIT)
 > 859	struct __svpbmt_struct __svpbmt __ro_after_init;

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org