linux-kernel - Re: [PATCH V2] mm: Drop unused set_pte

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Message-ID: <202409131214.d09v9mIO-lkp@intel.com>
Date: Fri, 13 Sep 2024 12:37:30 +0800
From: kernel test robot <lkp@...el.com>
To: Anshuman Khandual <anshuman.khandual@....com>, linux-mm@...ck.org
Cc: oe-kbuild-all@...ts.linux.dev,
	Anshuman Khandual <anshuman.khandual@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	David Hildenbrand <david@...hat.com>,
	Ryan Roberts <ryan.roberts@....com>,
	"Mike Rapoport (IBM)" <rppt@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] mm: Drop unused set_pte_safe()

Hi Anshuman,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]

url:    https://github.com/intel-lab-lkp/linux/commits/Anshuman-Khandual/mm-Drop-unused-set_pte_safe/20240910-181151
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20240910101026.428808-1-anshuman.khandual%40arm.com
patch subject: [PATCH V2] mm: Drop unused set_pte_safe()
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20240913/202409131214.d09v9mIO-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240913/202409131214.d09v9mIO-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/202409131214.d09v9mIO-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/x86/mm/init_64.c: In function 'set_pte_init':
>> arch/x86/mm/init_64.c:83:17: error: implicit declaration of function 'set_pte_safe'; did you mean 'set_pud_safe'? [-Werror=implicit-function-declaration]
      83 |                 set_##type1##_safe(arg1, arg2);                 \
         |                 ^~~~
   arch/x86/mm/init_64.c:91:1: note: in expansion of macro 'DEFINE_ENTRY'
      91 | DEFINE_ENTRY(pte, pte, init)
         | ^~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +83 arch/x86/mm/init_64.c

eccd906484d1cd Brijesh Singh 2019-04-17  77  
eccd906484d1cd Brijesh Singh 2019-04-17  78  #define DEFINE_ENTRY(type1, type2, init)			\
eccd906484d1cd Brijesh Singh 2019-04-17  79  static inline void set_##type1##_init(type1##_t *arg1,		\
eccd906484d1cd Brijesh Singh 2019-04-17  80  			type2##_t arg2, bool init)		\
eccd906484d1cd Brijesh Singh 2019-04-17  81  {								\
eccd906484d1cd Brijesh Singh 2019-04-17  82  	if (init)						\
eccd906484d1cd Brijesh Singh 2019-04-17 @83  		set_##type1##_safe(arg1, arg2);			\
eccd906484d1cd Brijesh Singh 2019-04-17  84  	else							\
eccd906484d1cd Brijesh Singh 2019-04-17  85  		set_##type1(arg1, arg2);			\
eccd906484d1cd Brijesh Singh 2019-04-17  86  }
eccd906484d1cd Brijesh Singh 2019-04-17  87  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki