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From: kbuild test robot <lkp@intel.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	uclinux-h8-devel@lists.sourceforge.jp,
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	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH V13] mm/debug: Add tests validating architecture page table helpers
Date: Thu, 6 Feb 2020 07:10:59 +0800	[thread overview]
Message-ID: <202002060619.wEOdAZU1%lkp@intel.com> (raw)
In-Reply-To: <1580897674-16456-1-git-send-email-anshuman.khandual@arm.com>

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Hi Anshuman,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on s390/features linus/master arc/for-next v5.5]
[cannot apply to mmotm/master tip/x86/core arm64/for-next/core next-20200205]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Anshuman-Khandual/mm-debug-Add-tests-validating-architecture-page-table-helpers/20200205-215507
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 7.5.0
reproduce:
        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
        GCC_VERSION=7.5.0 make.cross ARCH=ia64 

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

All error/warnings (new ones prefixed by >>):

   In file included from include/asm-generic/pgtable-nopud.h:8:0,
                    from arch/ia64/include/asm/pgtable.h:586,
                    from include/linux/mm.h:99,
                    from include/linux/highmem.h:8,
                    from mm/debug_vm_pgtable.c:14:
   mm/debug_vm_pgtable.c: In function 'pud_clear_tests':
>> include/asm-generic/pgtable-nop4d-hack.h:47:32: error: implicit declaration of function '__pgd'; did you mean '__p4d'? [-Werror=implicit-function-declaration]
    #define __pud(x)    ((pud_t) { __pgd(x) })
                                   ^
>> mm/debug_vm_pgtable.c:141:8: note: in expansion of macro '__pud'
     pud = __pud(pud_val(pud) | RANDOM_ORVALUE);
           ^~~~~
>> include/asm-generic/pgtable-nop4d-hack.h:47:22: warning: missing braces around initializer [-Wmissing-braces]
    #define __pud(x)    ((pud_t) { __pgd(x) })
                         ^
>> mm/debug_vm_pgtable.c:141:8: note: in expansion of macro '__pud'
     pud = __pud(pud_val(pud) | RANDOM_ORVALUE);
           ^~~~~
   cc1: some warnings being treated as errors

vim +47 include/asm-generic/pgtable-nop4d-hack.h

30ec842660bd0d Kirill A. Shutemov 2017-03-09  45  
30ec842660bd0d Kirill A. Shutemov 2017-03-09  46  #define pud_val(x)				(pgd_val((x).pgd))
30ec842660bd0d Kirill A. Shutemov 2017-03-09 @47  #define __pud(x)				((pud_t) { __pgd(x) })
30ec842660bd0d Kirill A. Shutemov 2017-03-09  48  

:::::: The code at line 47 was first introduced by commit
:::::: 30ec842660bd0d056d4a7028ac5bd4a82b113d4f asm-generic: introduce __ARCH_USE_5LEVEL_HACK

:::::: TO: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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

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_______________________________________________
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  reply	other threads:[~2020-02-05 23:12 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-05 10:14 [PATCH V13] mm/debug: Add tests validating architecture page table helpers Anshuman Khandual
2020-02-05 23:10 ` kbuild test robot [this message]
2020-02-06  8:19   ` Anshuman Khandual
2020-02-10  4:52     ` Andrew Morton
2020-02-10  5:35       ` Anshuman Khandual
2020-02-10  6:38         ` Christophe Leroy
2020-02-10 10:02           ` Russell King - ARM Linux admin
2020-02-10 10:46             ` Christophe Leroy
2020-02-10 11:06               ` Russell King - ARM Linux admin
2020-02-11  2:25                 ` Anshuman Khandual
2020-02-11  5:33                   ` Christophe Leroy
2020-02-11  9:24                     ` Russell King - ARM Linux admin

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