Re: [PATCH] x86/mm: Introduce 'no5vl kernel parameter

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

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Hi Kirill,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/auto-latest]
[also build test ERROR on v4.17-rc3 next-20180502]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Kirill-A-Shutemov/x86-mm-Introduce-no5vl-kernel-parameter/20180503-030855
config: i386-randconfig-x014-201817 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   arch/x86/kernel/cpu/common.c: In function 'early_identify_cpu':
>> arch/x86/kernel/cpu/common.c:1009:7: error: '__pgtable_l5_enabled' undeclared (first use in this function); did you mean 'pgtable_l5_enabled'?
     if (!__pgtable_l5_enabled)
          ^~~~~~~~~~~~~~~~~~~~
          pgtable_l5_enabled
   arch/x86/kernel/cpu/common.c:1009:7: note: each undeclared identifier is reported only once for each function it appears in

vim +1009 arch/x86/kernel/cpu/common.c

  1007	
  1008		/* Clear the 5-level paging feature if user asked for 'no5lvl' */
> 1009		if (!__pgtable_l5_enabled)
  1010			setup_clear_cpu_cap(X86_FEATURE_LA57);
  1011	}
  1012	

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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