[PATCH v3 4/4] powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP

[kernel test robot]

Hi Christophe,

I love your patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on next-20210701]
[cannot apply to v5.13]
[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/Christophe-Leroy/powerpc-ptdump-Use-DEFINE_SHOW_ATTRIBUTE/20210705-155111
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
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/58054326bff639a0d69e92d64a9a7321f2756954
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Christophe-Leroy/powerpc-ptdump-Use-DEFINE_SHOW_ATTRIBUTE/20210705-155111
        git checkout 58054326bff639a0d69e92d64a9a7321f2756954
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   arch/powerpc/mm/ptdump/ptdump.c: In function 'ptdump_show':
>> arch/powerpc/mm/ptdump/ptdump.c:311:18: error: 'st.ptdump.range' is a pointer; did you mean to use '->'?
     311 |   st.ptdump.range.start = KERN_VIRT_START;
         |                  ^
         |                  ->
   arch/powerpc/mm/ptdump/ptdump.c:313:18: error: 'st.ptdump.range' is a pointer; did you mean to use '->'?
     313 |   st.ptdump.range.start = PAGE_OFFSET;
         |                  ^
         |                  ->


vim +311 arch/powerpc/mm/ptdump/ptdump.c

   293	
   294	static int ptdump_show(struct seq_file *m, void *v)
   295	{
   296		struct pg_state st = {
   297			.seq = m,
   298			.marker = address_markers,
   299			.level = -1,
   300			.ptdump = {
   301				.note_page = note_page,
   302				.range = (struct ptdump_range[]){
   303					{TASK_SIZE, ~0UL},
   304					{0, 0}
   305				}
   306			}
   307		};
   308	
   309	#ifdef CONFIG_PPC64
   310		if (!radix_enabled())
 > 311			st.ptdump.range.start = KERN_VIRT_START;
   312		else
   313			st.ptdump.range.start = PAGE_OFFSET;
   314	#endif
   315	
   316		/* Traverse kernel page tables */
   317		ptdump_walk_pgd(&st.ptdump, &init_mm, NULL);
   318		return 0;
   319	}
   320	

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