linux-kernel - Re: [PATCH v1] device-dax: Adding match parameter to select which driver to match dax devices

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Date:   Tue, 1 Mar 2022 01:36:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Zhenguo Yao <yaozhenguo1@...il.com>, dan.j.williams@...el.com,
        vishal.l.verma@...el.com, dave.jiang@...el.com
Cc:     kbuild-all@...ts.01.org, nvdimm@...ts.linux.dev, yaozhenguo@...com,
        linux-kernel@...r.kernel.org, Zhenguo Yao <yaozhenguo1@...il.com>
Subject: Re: [PATCH v1] device-dax: Adding match parameter to select which
 driver to match dax devices

Hi Zhenguo,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.17-rc6 next-20220225]
[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]

url:    https://github.com/0day-ci/linux/commits/Zhenguo-Yao/device-dax-Adding-match-parameter-to-select-which-driver-to-match-dax-devices/20220228-175040
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 7e57714cd0ad2d5bb90e50b5096a0e671dec1ef3
config: arm64-randconfig-r006-20220227 (https://download.01.org/0day-ci/archive/20220301/202203010043.CdGByjRQ-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/5be3350fe78893555785550e6fdf382715c2dca9
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Zhenguo-Yao/device-dax-Adding-match-parameter-to-select-which-driver-to-match-dax-devices/20220228-175040
        git checkout 5be3350fe78893555785550e6fdf382715c2dca9
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> aarch64-linux-ld: drivers/dax/kmem.o:(.bss+0x10): multiple definition of `match'; drivers/dax/device.o:(.data+0xb8): first defined here

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org