Re: [to-be-updated] mm-rename-pud_page_vaddr-to-pud_pgtable-and-make-it-return-pmd_t.patch removed from -mm tree

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Hi,

I love your patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on tip/x86/mm asm-generic/master linus/master sparc/master v5.13]
[cannot apply to sparc-next/master next-20210629]
[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/akpm-linux-foundation-org/mm-rename-pud_page_vaddr-to-pud_pgtable-and-make-it-return-pmd_t-patch-removed-from-mm-tree/20210617-075958
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: sparc-defconfig (attached as .config)
compiler: sparc-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/490957abd94a7b67576c0029c771c6691dce1878
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review akpm-linux-foundation-org/mm-rename-pud_page_vaddr-to-pud_pgtable-and-make-it-return-pmd_t-patch-removed-from-mm-tree/20210617-075958
        git checkout 490957abd94a7b67576c0029c771c6691dce1878
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

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

All errors (new ones prefixed by >>):

   In file included from arch/sparc/include/asm/pgtable.h:7,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:33,
                    from include/linux/kallsyms.h:12,
                    from include/linux/ftrace.h:12,
                    from include/linux/kprobes.h:29,
                    from include/linux/kgdb.h:19,
                    from arch/sparc/kernel/kgdb_32.c:7:
   arch/sparc/include/asm/pgtable_32.h: In function 'pud_pgtable':
>> arch/sparc/include/asm/pgtable_32.h:158:10: error: returning 'int' from a function with return type 'pmd_t *' {aka 'long unsigned int *'} makes pointer from integer without a cast [-Werror=int-conversion]
     158 |   return ~0;
         |          ^
   cc1: all warnings being treated as errors
--
   In file included from arch/sparc/include/asm/pgtable.h:7,
                    from include/linux/pgtable.h:6,
                    from arch/sparc/kernel/traps_32.c:21:
   arch/sparc/include/asm/pgtable_32.h: In function 'pud_pgtable':
>> arch/sparc/include/asm/pgtable_32.h:158:10: error: returning 'int' from a function with return type 'pmd_t *' {aka 'long unsigned int *'} makes pointer from integer without a cast [-Werror=int-conversion]
     158 |   return ~0;
         |          ^
   arch/sparc/kernel/traps_32.c: At top level:
   arch/sparc/kernel/traps_32.c:368:6: error: no previous prototype for 'trap_init' [-Werror=missing-prototypes]
     368 | void trap_init(void)
         |      ^~~~~~~~~
   cc1: all warnings being treated as errors
--
   In file included from arch/sparc/include/asm/pgtable.h:7,
                    from arch/sparc/include/asm/viking.h:13,
                    from arch/sparc/include/asm/mbus.h:12,
                    from arch/sparc/include/asm/elf_32.h:94,
                    from arch/sparc/include/asm/elf.h:7,
                    from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from include/linux/moduleloader.h:6,
                    from arch/sparc/kernel/module.c:8:
   arch/sparc/include/asm/pgtable_32.h: In function 'pud_pgtable':
>> arch/sparc/include/asm/pgtable_32.h:158:10: error: returning 'int' from a function with return type 'pmd_t *' {aka 'long unsigned int *'} makes pointer from integer without a cast [-Werror=int-conversion]
     158 |   return ~0;
         |          ^
   arch/sparc/kernel/module.c: In function 'module_frob_arch_sections':
   arch/sparc/kernel/module.c:62:8: error: variable 'strtab' set but not used [-Werror=unused-but-set-variable]
      62 |  char *strtab;
         |        ^~~~~~
   cc1: all warnings being treated as errors
--
   In file included from arch/sparc/include/asm/pgtable.h:7,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:33,
                    from include/linux/memblock.h:13,
                    from arch/sparc/mm/srmmu.c:14:
   arch/sparc/include/asm/pgtable_32.h: In function 'pud_pgtable':
>> arch/sparc/include/asm/pgtable_32.h:158:10: error: returning 'int' from a function with return type 'pmd_t *' {aka 'long unsigned int *'} makes pointer from integer without a cast [-Werror=int-conversion]
     158 |   return ~0;
         |          ^
   arch/sparc/mm/srmmu.c: In function 'poke_hypersparc':
   arch/sparc/mm/srmmu.c:1081:25: error: variable 'clear' set but not used [-Werror=unused-but-set-variable]
    1081 |  volatile unsigned long clear;
         |                         ^~~~~
   cc1: all warnings being treated as errors
--
   In file included from arch/sparc/include/asm/pgtable.h:7,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:33,
                    from arch/sparc/mm/leon_mm.c:14:
   arch/sparc/include/asm/pgtable_32.h: In function 'pud_pgtable':
>> arch/sparc/include/asm/pgtable_32.h:158:10: error: returning 'int' from a function with return type 'pmd_t *' {aka 'long unsigned int *'} makes pointer from integer without a cast [-Werror=int-conversion]
     158 |   return ~0;
         |          ^
   arch/sparc/mm/leon_mm.c: In function 'leon_swprobe':
   arch/sparc/mm/leon_mm.c:42:25: error: variable 'paddrbase' set but not used [-Werror=unused-but-set-variable]
      42 |  unsigned int lvl, pte, paddrbase;
         |                         ^~~~~~~~~
   cc1: all warnings being treated as errors
--
   In file included from arch/sparc/include/asm/pgtable.h:7,
                    from arch/sparc/include/asm/viking.h:13,
                    from arch/sparc/include/asm/mbus.h:12,
                    from arch/sparc/include/asm/elf_32.h:94,
                    from arch/sparc/include/asm/elf.h:7,
                    from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from arch/sparc/lib/cmpdi2.c:2:
   arch/sparc/include/asm/pgtable_32.h: In function 'pud_pgtable':
>> arch/sparc/include/asm/pgtable_32.h:158:10: error: returning 'int' from a function with return type 'pmd_t *' {aka 'long unsigned int *'} makes pointer from integer without a cast [-Werror=int-conversion]
     158 |   return ~0;
         |          ^
   arch/sparc/lib/cmpdi2.c: At top level:
   arch/sparc/lib/cmpdi2.c:6:11: error: no previous prototype for '__cmpdi2' [-Werror=missing-prototypes]
       6 | word_type __cmpdi2(long long a, long long b)
         |           ^~~~~~~~
   cc1: all warnings being treated as errors
--
   In file included from arch/sparc/include/asm/pgtable.h:7,
                    from arch/sparc/include/asm/viking.h:13,
                    from arch/sparc/include/asm/mbus.h:12,
                    from arch/sparc/include/asm/elf_32.h:94,
                    from arch/sparc/include/asm/elf.h:7,
                    from include/linux/elf.h:6,
                    from include/linux/module.h:18,
                    from arch/sparc/lib/ucmpdi2.c:2:
   arch/sparc/include/asm/pgtable_32.h: In function 'pud_pgtable':
>> arch/sparc/include/asm/pgtable_32.h:158:10: error: returning 'int' from a function with return type 'pmd_t *' {aka 'long unsigned int *'} makes pointer from integer without a cast [-Werror=int-conversion]
     158 |   return ~0;
         |          ^
   arch/sparc/lib/ucmpdi2.c: At top level:
   arch/sparc/lib/ucmpdi2.c:5:11: error: no previous prototype for '__ucmpdi2' [-Werror=missing-prototypes]
       5 | word_type __ucmpdi2(unsigned long long a, unsigned long long b)
         |           ^~~~~~~~~
   cc1: all warnings being treated as errors


vim +158 arch/sparc/include/asm/pgtable_32.h

974b9b2c68f3d3 arch/sparc/include/asm/pgtable_32.h Mike Rapoport 2020-06-08  154  
490957abd94a7b arch/sparc/include/asm/pgtable_32.h Andrew Morton 2021-06-16  155  static inline pmd_t *pud_pgtable(pud_t pud)
9701b264d3267b arch/sparc/include/asm/pgtable_32.h Sam Ravnborg  2012-05-13  156  {
7235db268a2777 arch/sparc/include/asm/pgtable_32.h Mike Rapoport 2019-12-04  157  	if (srmmu_device_memory(pud_val(pud))) {
9701b264d3267b arch/sparc/include/asm/pgtable_32.h Sam Ravnborg  2012-05-13 @158  		return ~0;
9701b264d3267b arch/sparc/include/asm/pgtable_32.h Sam Ravnborg  2012-05-13  159  	} else {
7235db268a2777 arch/sparc/include/asm/pgtable_32.h Mike Rapoport 2019-12-04  160  		unsigned long v = pud_val(pud) & SRMMU_PTD_PMASK;
490957abd94a7b arch/sparc/include/asm/pgtable_32.h Andrew Morton 2021-06-16  161  		return (pmd_t *)__nocache_va(v << 4);
9701b264d3267b arch/sparc/include/asm/pgtable_32.h Sam Ravnborg  2012-05-13  162  	}
9701b264d3267b arch/sparc/include/asm/pgtable_32.h Sam Ravnborg  2012-05-13  163  }
f5e706ad886b6a include/asm-sparc/pgtable_32.h      Sam Ravnborg  2008-07-17  164  

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

Attachment: .config.gz
Description: application/gzip


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