Re: [RFC PATCH v2 3/3] mm: make generic pXd_addr_end() macros inline functions

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

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Hi Gerald,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on linus/master]
[also build test ERROR on v5.9-rc4]
[cannot apply to mmotm/master hnaz-linux-mm/master s390/features arm64/for-next/core asm-generic/master next-20200908]
[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/Gerald-Schaefer/mm-gup-fix-gup_fast-with-dynamic-page-table-folding/20200908-020629
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git f4d51dffc6c01a9e94650d95ce0104964f8ae822
config: powerpc-randconfig-r016-20200908 (attached as .config)
compiler: powerpc-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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   arch/powerpc/mm/kasan/kasan_init_32.c: In function 'kasan_init_shadow_page_tables':
>> arch/powerpc/mm/kasan/kasan_init_32.c:41:25: error: incompatible type for argument 1 of 'pgd_addr_end'
      41 |   k_next = pgd_addr_end(k_cur, k_end);
         |                         ^~~~~
         |                         |
         |                         long unsigned int
   In file included from include/linux/kasan.h:14,
                    from arch/powerpc/mm/kasan/kasan_init_32.c:5:
   include/linux/pgtable.h:660:48: note: expected 'pgd_t' {aka 'struct <anonymous>'} but argument is of type 'long unsigned int'
     660 | static inline unsigned long pgd_addr_end(pgd_t pgd, unsigned long addr, unsigned long end)
         |                                          ~~~~~~^~~
>> include/linux/pgtable.h:659:22: error: too few arguments to function 'pgd_addr_end'
     659 | #define pgd_addr_end pgd_addr_end
         |                      ^~~~~~~~~~~~
   arch/powerpc/mm/kasan/kasan_init_32.c:41:12: note: in expansion of macro 'pgd_addr_end'
      41 |   k_next = pgd_addr_end(k_cur, k_end);
         |            ^~~~~~~~~~~~
   include/linux/pgtable.h:659:22: note: declared here
     659 | #define pgd_addr_end pgd_addr_end
         |                      ^~~~~~~~~~~~
   include/linux/pgtable.h:660:29: note: in expansion of macro 'pgd_addr_end'
     660 | static inline unsigned long pgd_addr_end(pgd_t pgd, unsigned long addr, unsigned long end)
         |                             ^~~~~~~~~~~~
   arch/powerpc/mm/kasan/kasan_init_32.c: In function 'kasan_early_init':
   arch/powerpc/mm/kasan/kasan_init_32.c:199:23: error: incompatible type for argument 1 of 'pgd_addr_end'
     199 |   next = pgd_addr_end(addr, end);
         |                       ^~~~
         |                       |
         |                       long unsigned int
   In file included from include/linux/kasan.h:14,
                    from arch/powerpc/mm/kasan/kasan_init_32.c:5:
   include/linux/pgtable.h:660:48: note: expected 'pgd_t' {aka 'struct <anonymous>'} but argument is of type 'long unsigned int'
     660 | static inline unsigned long pgd_addr_end(pgd_t pgd, unsigned long addr, unsigned long end)
         |                                          ~~~~~~^~~
>> include/linux/pgtable.h:659:22: error: too few arguments to function 'pgd_addr_end'
     659 | #define pgd_addr_end pgd_addr_end
         |                      ^~~~~~~~~~~~
   arch/powerpc/mm/kasan/kasan_init_32.c:199:10: note: in expansion of macro 'pgd_addr_end'
     199 |   next = pgd_addr_end(addr, end);
         |          ^~~~~~~~~~~~
   include/linux/pgtable.h:659:22: note: declared here
     659 | #define pgd_addr_end pgd_addr_end
         |                      ^~~~~~~~~~~~
   include/linux/pgtable.h:660:29: note: in expansion of macro 'pgd_addr_end'
     660 | static inline unsigned long pgd_addr_end(pgd_t pgd, unsigned long addr, unsigned long end)
         |                             ^~~~~~~~~~~~

# https://github.com/0day-ci/linux/commit/b01038fe015c54a504215f859204205199b8fdc7
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Gerald-Schaefer/mm-gup-fix-gup_fast-with-dynamic-page-table-folding/20200908-020629
git checkout b01038fe015c54a504215f859204205199b8fdc7
vim +/pgd_addr_end +41 arch/powerpc/mm/kasan/kasan_init_32.c

2edb16efc899f9 Christophe Leroy 2019-04-26  30  
ec97d022f621c6 Christophe Leroy 2020-05-19  31  int __init kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end)
2edb16efc899f9 Christophe Leroy 2019-04-26  32  {
2edb16efc899f9 Christophe Leroy 2019-04-26  33  	pmd_t *pmd;
2edb16efc899f9 Christophe Leroy 2019-04-26  34  	unsigned long k_cur, k_next;
2edb16efc899f9 Christophe Leroy 2019-04-26  35  
e05c7b1f2bc4b7 Mike Rapoport    2020-06-08  36  	pmd = pmd_off_k(k_start);
2edb16efc899f9 Christophe Leroy 2019-04-26  37  
2edb16efc899f9 Christophe Leroy 2019-04-26  38  	for (k_cur = k_start; k_cur != k_end; k_cur = k_next, pmd++) {
7c31c05e00fc5f Christophe Leroy 2020-05-19  39  		pte_t *new;
7c31c05e00fc5f Christophe Leroy 2020-05-19  40  
2edb16efc899f9 Christophe Leroy 2019-04-26 @41  		k_next = pgd_addr_end(k_cur, k_end);
2edb16efc899f9 Christophe Leroy 2019-04-26  42  		if ((void *)pmd_page_vaddr(*pmd) != kasan_early_shadow_pte)
2edb16efc899f9 Christophe Leroy 2019-04-26  43  			continue;
2edb16efc899f9 Christophe Leroy 2019-04-26  44  
d7e23b887f6717 Christophe Leroy 2019-07-31  45  		new = memblock_alloc(PTE_FRAG_SIZE, PTE_FRAG_SIZE);
2edb16efc899f9 Christophe Leroy 2019-04-26  46  
2edb16efc899f9 Christophe Leroy 2019-04-26  47  		if (!new)
2edb16efc899f9 Christophe Leroy 2019-04-26  48  			return -ENOMEM;
509cd3f2b47333 Christophe Leroy 2020-01-14  49  		kasan_populate_pte(new, PAGE_KERNEL);
2edb16efc899f9 Christophe Leroy 2019-04-26  50  		pmd_populate_kernel(&init_mm, pmd, new);
2edb16efc899f9 Christophe Leroy 2019-04-26  51  	}
2edb16efc899f9 Christophe Leroy 2019-04-26  52  	return 0;
2edb16efc899f9 Christophe Leroy 2019-04-26  53  }
2edb16efc899f9 Christophe Leroy 2019-04-26  54  

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

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