linux-kernel - Re: [PATCH] powerpc: Test broken dcbz

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Date:   Mon, 22 Jul 2019 08:53:33 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     kbuild-all@...org, Segher Boessenkool <segher@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@....fr>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH] powerpc: Test broken dcbz

Hi Nathan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc1 next-20190719]
[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/Nathan-Chancellor/powerpc-Test-broken-dcbz/20190722-051054
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 7.4.0
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=7.4.0 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 'clear_user_page':
>> arch/powerpc/mm/mem.c:364:2: error: implicit declaration of function 'broken_clear_page'; did you mean 'bdev_read_page'? [-Werror=implicit-function-declaration]
     broken_clear_page(page);
     ^~~~~~~~~~~~~~~~~
     bdev_read_page
   cc1: all warnings being treated as errors

vim +364 arch/powerpc/mm/mem.c

---
0-DAY kernel test infrastructure                Open Source Technology Center
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