linux-kernel - Re: [PATCH] libnvdimm/e820: Fix build error without MEMORY

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Date:   Thu, 27 Aug 2020 00:34:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     YueHaibing <yuehaibing@...wei.com>, dan.j.williams@...el.com,
        vishal.l.verma@...el.com, dave.jiang@...el.com,
        ira.weiny@...el.com, mingo@...nel.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org,
        YueHaibing <yuehaibing@...wei.com>
Subject: Re: [PATCH] libnvdimm/e820: Fix build error without MEMORY_HOTPLUG

Hi YueHaibing,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linux-nvdimm/libnvdimm-for-next]
[also build test ERROR on v5.9-rc2 next-20200826]
[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/YueHaibing/libnvdimm-e820-Fix-build-error-without-MEMORY_HOTPLUG/20200826-202043
base:   https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git libnvdimm-for-next
config: x86_64-randconfig-a002-20200826 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 7cfcecece0e0430937cf529ce74d3a071a4dedc6)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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 >>):

>> drivers/nvdimm/e820.c:21:19: error: redefinition of 'phys_to_target_node'
   static inline int phys_to_target_node(u64 start)
                     ^
   include/linux/numa.h:38:19: note: previous definition is here
   static inline int phys_to_target_node(phys_addr_t addr)
                     ^
   1 error generated.

# https://github.com/0day-ci/linux/commit/4c003ae129dccea4445a55e9e2c61de5922fbd37
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review YueHaibing/libnvdimm-e820-Fix-build-error-without-MEMORY_HOTPLUG/20200826-202043
git checkout 4c003ae129dccea4445a55e9e2c61de5922fbd37
vim +/phys_to_target_node +21 drivers/nvdimm/e820.c

    19	
    20	#ifndef CONFIG_MEMORY_HOTPLUG
  > 21	static inline int phys_to_target_node(u64 start)
    22	{
    23		return 0;
    24	}
    25	#endif
    26	

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

Download attachment ".config.gz" of type "application/gzip" (42281 bytes)