linux-kernel - Re: [PATCH v1 net 1/3] udp: Update reuse->has_conns under reuseport

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Date:   Tue, 11 Oct 2022 09:43:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kuniyuki Iwashima <kuniyu@...zon.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        Martin KaFai Lau <martin.lau@...nel.org>
Cc:     kbuild-all@...ts.01.org, netdev@...r.kernel.org,
        Craig Gallek <kraig@...gle.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Kuniyuki Iwashima <kuniyu@...zon.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 net 1/3] udp: Update reuse->has_conns under
 reuseport_lock.

Hi Kuniyuki,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Kuniyuki-Iwashima/soreuseport-Fix-issues-related-to-the-faster-selection-algorithm/20221011-015227
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git af7d23f9d96a3e9647cff8619a6860d73b109b5f
config: powerpc-allmodconfig
compiler: powerpc-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/bb1587d84fea0a2b0b6b84691a92def51c5a7e89
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kuniyuki-Iwashima/soreuseport-Fix-issues-related-to-the-faster-selection-algorithm/20221011-015227
        git checkout bb1587d84fea0a2b0b6b84691a92def51c5a7e89
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "reuseport_lock" [net/ipv6/ipv6.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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