netdev - Re: [PATCH bpf 2/4] nsfs: add an ioctl to discover the network namespace cookie

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Date:   Wed, 10 Feb 2021 23:07:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     Lorenz Bauer <lmb@...udflare.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>
Cc:     kbuild-all@...ts.01.org, netdev@...r.kernel.org,
        kernel-team@...udflare.com, Lorenz Bauer <lmb@...udflare.com>,
        linux-api@...r.kernel.org
Subject: Re: [PATCH bpf 2/4] nsfs: add an ioctl to discover the network
 namespace cookie

Hi Lorenz,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf/master]

url:    https://github.com/0day-ci/linux/commits/Lorenz-Bauer/Expose-network-namespace-cookies-to-user-space/20210210-201857
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master
config: microblaze-randconfig-r003-20210209 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
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/ec096a87ec268b0634a140515fb54b21a2c67036
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Lorenz-Bauer/Expose-network-namespace-cookies-to-user-space/20210210-201857
        git checkout ec096a87ec268b0634a140515fb54b21a2c67036
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 

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 >>):

   microblaze-linux-ld: fs/nsfs.o: in function `ns_ioctl':
>> (.text+0x1618): undefined reference to `__net_gen_cookie'

---
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" (20742 bytes)