Date: Wed, 3 Jul 2024 01:42:10 +0800
From: kernel test robot <lkp@intel.com>
To: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: Re: [RFC PATCH 7/7] x86: select ARCH_SUPPORTS_PT_RECLAIM if X86_64
Message-ID: <202407030101.H0oWNjhx-lkp@intel.com>
References: <0f3aacc9707da962398de71c127e7771c6798062.1719570849.git.zhengqi.arch@bytedance.com>
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In-Reply-To: <0f3aacc9707da962398de71c127e7771c6798062.1719570849.git.zhengqi.arch@bytedance.com>

Hi Qi,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on next-20240702]
[cannot apply to tip/x86/core linus/master tip/x86/mm 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/Qi-Zheng/mm-pgtable-make-pte_offset_map_nolock-return-pmdval/20240701-165916
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/0f3aacc9707da962398de71c127e7771c6798062.1719570849.git.zhengqi.arch%40bytedance.com
patch subject: [RFC PATCH 7/7] x86: select ARCH_SUPPORTS_PT_RECLAIM if X86_64
config: x86_64-buildonly-randconfig-002-20240702 (https://download.01.org/0day-ci/archive/20240703/202407030101.H0oWNjhx-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240703/202407030101.H0oWNjhx-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407030101.H0oWNjhx-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/x86/mm/pgtable.c:57:2: error: call to undeclared function 'paravirt_tlb_remove_table'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      57 |         paravirt_tlb_remove_table(tlb, pte);
         |         ^
   arch/x86/mm/pgtable.c:57:2: note: did you mean '__tlb_remove_table'?
   arch/x86/include/asm/tlb.h:32:20: note: '__tlb_remove_table' declared here
      32 | static inline void __tlb_remove_table(void *table)
         |                    ^
   arch/x86/mm/pgtable.c:73:2: error: call to undeclared function 'paravirt_tlb_remove_table'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      73 |         paravirt_tlb_remove_table(tlb, ptdesc_page(ptdesc));
         |         ^
   arch/x86/mm/pgtable.c:83:2: error: call to undeclared function 'paravirt_tlb_remove_table'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      83 |         paravirt_tlb_remove_table(tlb, virt_to_page(pud));
         |         ^
   3 errors generated.


vim +/paravirt_tlb_remove_table +57 arch/x86/mm/pgtable.c

14315592009c17 Ian Campbell           2010-02-17  52  
9e1b32caa525cb Benjamin Herrenschmidt 2009-07-22  53  void ___pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
397f687ab7f840 Jeremy Fitzhardinge    2008-03-17  54  {
f92c494f420a9f Vishal Moola (Oracle   2023-08-07  55) 	pagetable_pte_dtor(page_ptdesc(pte));
6944a9c8945212 Jeremy Fitzhardinge    2008-03-17  56  	paravirt_release_pte(page_to_pfn(pte));
48a8b97cfd804a Peter Zijlstra         2018-08-22 @57  	paravirt_tlb_remove_table(tlb, pte);
397f687ab7f840 Jeremy Fitzhardinge    2008-03-17  58  }
397f687ab7f840 Jeremy Fitzhardinge    2008-03-17  59  

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