netdev - Re: [PATCH bpf-next v3 06/15] bpf: add bpf_skc_to_{tcp,tcp_timewait,tcp_request}

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Message-ID: <202006231440.W41IhYdj%lkp@intel.com>
Date:   Tue, 23 Jun 2020 14:39:44 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yonghong Song <yhs@...com>, bpf@...r.kernel.org,
        netdev@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, kernel-team@...com,
        Martin KaFai Lau <kafai@...com>
Subject: Re: [PATCH bpf-next v3 06/15] bpf: add
 bpf_skc_to_{tcp,tcp_timewait,tcp_request}_sock() helpers

Hi Yonghong,

I love your patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Yonghong-Song/implement-bpf-iterator-for-tcp-and-udp-sockets/20200623-090149
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: nios2-defconfig (attached as .config)
compiler: nios2-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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 

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 >>):

   nios2-linux-ld: net/core/filter.o: in function `bpf_skc_to_tcp_timewait_sock':
   filter.c:(.text+0x367c): undefined reference to `tcpv6_prot'
>> nios2-linux-ld: filter.c:(.text+0x3680): undefined reference to `tcpv6_prot'
   nios2-linux-ld: net/core/filter.o: in function `bpf_skc_to_tcp_request_sock':
   filter.c:(.text+0x36c0): undefined reference to `tcpv6_prot'
   nios2-linux-ld: filter.c:(.text+0x36c4): undefined reference to `tcpv6_prot'
   nios2-linux-ld: net/core/filter.o: in function `init_btf_sock_ids':
   filter.c:(.text+0xe65c): undefined reference to `btf_find_by_name_kind'
   filter.c:(.text+0xe65c): relocation truncated to fit: R_NIOS2_CALL26 against `btf_find_by_name_kind'

---
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" (9865 bytes)