linux-kernel - Re: [PATCH] powerpc/32: refactor pmd_offset(pud_offset(pgd

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Message-ID: <202001081646.jKC4QifK%lkp@intel.com>
Date:   Wed, 8 Jan 2020 16:36:02 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Christophe Leroy <christophe.leroy@....fr>
Cc:     kbuild-all@...ts.01.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/32: refactor pmd_offset(pud_offset(pgd_offset...

Hi Christophe,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v5.5-rc5 next-20200106]
[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/Christophe-Leroy/powerpc-32-refactor-pmd_offset-pud_offset-pgd_offset/20200107-210342
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-pmac32_defconfig (attached as .config)
compiler: powerpc-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=powerpc 

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

All errors (new ones prefixed by >>):

   arch/powerpc/mm/mem.c: In function 'virt_to_kpte':
>> arch/powerpc/mm/mem.c:71:43: error: macro "pte_offset_kernel" requires 2 arguments, but only 1 given
     return pte_offset_kernel(pmd_ptr_k(vaddr));
                                              ^
>> arch/powerpc/mm/mem.c:71:9: error: 'pte_offset_kernel' undeclared (first use in this function); did you mean 'pte_free_kernel'?
     return pte_offset_kernel(pmd_ptr_k(vaddr));
            ^~~~~~~~~~~~~~~~~
            pte_free_kernel
   arch/powerpc/mm/mem.c:71:9: note: each undeclared identifier is reported only once for each function it appears in
   arch/powerpc/mm/mem.c:72:1: error: control reaches end of non-void function [-Werror=return-type]
    }
    ^
   cc1: all warnings being treated as errors

vim +/pte_offset_kernel +71 arch/powerpc/mm/mem.c

    68	
    69	static inline pte_t *virt_to_kpte(unsigned long vaddr)
    70	{
  > 71		return pte_offset_kernel(pmd_ptr_k(vaddr));
    72	}
    73	#endif
    74	

---
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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