netdev - Re: [PATCH netdev 5/5] virtio-net, xsk: virtio-net support xsk zero copy tx

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Date:   Tue, 5 Jan 2021 21:29:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, netdev@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, dust.li@...ux.alibaba.com,
        tonylu@...ux.alibaba.com, "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Björn Töpel <bjorn.topel@...el.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Alexei Starovoitov <ast@...nel.org>
Subject: Re: [PATCH netdev 5/5] virtio-net, xsk: virtio-net support xsk zero
 copy tx

Hi Xuan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on ipvs/master]
[also build test ERROR on linus/master v5.11-rc2 next-20210104]
[cannot apply to sparc-next/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Xuan-Zhuo/virtio-net-support-xdp-socket-zero-copy-xmit/20210105-171505
base:   https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git master
config: riscv-rv32_defconfig (attached as .config)
compiler: riscv32-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/265d3cdead3bd609bec53e66dfb7c5bf7339f73f
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Xuan-Zhuo/virtio-net-support-xdp-socket-zero-copy-xmit/20210105-171505
        git checkout 265d3cdead3bd609bec53e66dfb7c5bf7339f73f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv 

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 >>):

   riscv32-linux-ld: drivers/net/virtio_net.o: in function `.L936':
>> virtio_net.c:(.text+0x3068): undefined reference to `__umoddi3'

---
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" (20315 bytes)