linux-kernel - Re: [PATCH 13/45] mm: Implement pud-version uffd functions

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Message-ID: <202407052337.jk13ShDm-lkp@intel.com>
Date: Fri, 5 Jul 2024 23:48:15 +0800
From: kernel test robot <lkp@...el.com>
To: Oscar Salvador <osalvador@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc: oe-kbuild-all@...ts.linux.dev,
	Linux Memory Management List <linux-mm@...ck.org>,
	linux-kernel@...r.kernel.org, Peter Xu <peterx@...hat.com>,
	Muchun Song <muchun.song@...ux.dev>,
	David Hildenbrand <david@...hat.com>, SeongJae Park <sj@...nel.org>,
	Miaohe Lin <linmiaohe@...wei.com>, Michal Hocko <mhocko@...e.com>,
	Matthew Wilcox <willy@...radead.org>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Oscar Salvador <osalvador@...e.de>
Subject: Re: [PATCH 13/45] mm: Implement pud-version uffd functions

Hi Oscar,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on sj/damon/next next-20240703]
[cannot apply to powerpc/next powerpc/fixes linus/master v6.10-rc6]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Oscar-Salvador/arch-x86-Drop-own-definition-of-pgd-p4d_leaf/20240705-042640
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20240704043132.28501-14-osalvador%40suse.de
patch subject: [PATCH 13/45] mm: Implement pud-version uffd functions
config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20240705/202407052337.jk13ShDm-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240705/202407052337.jk13ShDm-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407052337.jk13ShDm-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/pgtable.h:17,
                    from include/linux/mm.h:30,
                    from include/linux/pid_namespace.h:7,
                    from include/linux/ptrace.h:10,
                    from arch/openrisc/kernel/asm-offsets.c:28:
   include/asm-generic/pgtable_uffd.h: In function 'pud_mkuffd_wp':
>> include/asm-generic/pgtable_uffd.h:32:16: error: 'pmd' undeclared (first use in this function); did you mean 'pud'?
      32 |         return pmd;
         |                ^~~
         |                pud
   include/asm-generic/pgtable_uffd.h:32:16: note: each undeclared identifier is reported only once for each function it appears in
   include/asm-generic/pgtable_uffd.h: In function 'pud_clear_uffd_wp':
   include/asm-generic/pgtable_uffd.h:47:16: error: 'pmd' undeclared (first use in this function); did you mean 'pud'?
      47 |         return pmd;
         |                ^~~
         |                pud
   make[3]: *** [scripts/Makefile.build:117: arch/openrisc/kernel/asm-offsets.s] Error 1
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1208: prepare0] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:240: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:240: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +32 include/asm-generic/pgtable_uffd.h

    29	
    30	static __always_inline pud_t pud_mkuffd_wp(pud_t pud)
    31	{
  > 32		return pmd;
    33	}
    34	

-- 
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https://github.com/intel/lkp-tests/wiki