netdev - Re: [PATCH net-next v6 1/2] xen networking: add basic XDP support for xen-netfront

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Message-ID: <202005050430.0uOwRsZs%lkp@intel.com>
Date:   Tue, 5 May 2020 04:27:03 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Denis Kirjanov <kda@...ux-powerpc.org>, netdev@...r.kernel.org,
        jgross@...e.com, wei.liu@...nel.org, paul@....org,
        ilias.apalodimas@...aro.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        jgross@...e.com, wei.liu@...nel.org, paul@....org,
        ilias.apalodimas@...aro.org
Subject: Re: [PATCH net-next v6 1/2] xen networking: add basic XDP support
 for xen-netfront

Hi Denis,

I love your patch! Yet something to improve:

[auto build test ERROR on net-next/master]
[also build test ERROR on xen-tip/linux-next linus/master v5.7-rc4 next-20200501]
[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/Denis-Kirjanov/xen-networking-add-basic-XDP-support-for-xen-netfront/20200501-193532
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 37ecb5b8b8cd3156e739fd1c56a8e3842b72ebad
config: x86_64-randconfig-d003-20200502 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project ff6a0b6a8ee74693e9711973028a8a327adf9cd5)
reproduce:
        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: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: page_pool_create
   >>> referenced by xen-netfront.c:2008 (drivers/net/xen-netfront.c:2008)
   >>> net/xen-netfront.o:(netback_changed) in archive drivers/built-in.a
--
>> ld.lld: error: undefined symbol: page_pool_alloc_pages
   >>> referenced by xen-netfront.c:281 (drivers/net/xen-netfront.c:281)
   >>> net/xen-netfront.o:(xennet_alloc_rx_buffers) in archive drivers/built-in.a

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

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