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Date:   Tue, 3 Aug 2021 18:06:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kuniyuki Iwashima <kuniyu@...zon.co.jp>,
        "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>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>
Cc:     kbuild-all@...ts.01.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2 bpf-next 1/2] bpf: af_unix: Implement BPF iterator for
 UNIX domain socket.

Hi Kuniyuki,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Kuniyuki-Iwashima/BPF-iterator-for-UNIX-domain-socket/20210803-091232
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: powerpc64-randconfig-r002-20210803 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 10.3.0
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/bba6a9ec76322618d01e32307b865dbbffe05903
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Kuniyuki-Iwashima/BPF-iterator-for-UNIX-domain-socket/20210803-091232
        git checkout bba6a9ec76322618d01e32307b865dbbffe05903
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=powerpc64 

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 >>, old ones prefixed by <<):

>> ERROR: modpost: "bpf_iter_fini_seq_net" [net/unix/unix.ko] undefined!
>> ERROR: modpost: "bpf_iter_run_prog" [net/unix/unix.ko] undefined!
>> ERROR: modpost: "bpf_iter_get_info" [net/unix/unix.ko] undefined!
>> ERROR: modpost: "bpf_iter_reg_target" [net/unix/unix.ko] undefined!
>> ERROR: modpost: "btf_sock_ids" [net/unix/unix.ko] undefined!
>> ERROR: modpost: "bpf_iter_init_seq_net" [net/unix/unix.ko] undefined!

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

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