netdev - Re: [PATCH net-next v4] udp:allow UDP cmsghdrs through io

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Date:   Wed, 16 Dec 2020 23:29:20 +0000
From:   Victor Stewart <v@...etag.social>
To:     io-uring <io-uring@...r.kernel.org>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        netdev <netdev@...r.kernel.org>, Jann Horn <jannh@...gle.com>
Subject: Re: [PATCH net-next v4] udp:allow UDP cmsghdrs through io_uring

what's to be done about this kernel test robot output, if anything?

On Wed, Dec 16, 2020 at 11:12 PM kernel test robot <lkp@...el.com> wrote:
>
> Hi Victor,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on net-next/master]
>
> url:    https://github.com/0day-ci/linux/commits/Victor-Stewart/udp-allow-UDP-cmsghdrs-through-io_uring/20201217-020451
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 3db1a3fa98808aa90f95ec3e0fa2fc7abf28f5c9
> config: riscv-randconfig-r031-20201216 (attached as .config)
> compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 71601d2ac9954cb59c443cb3ae442cb106df35d4)
> 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
>         # install riscv cross compiling tool for clang build
>         # apt-get install binutils-riscv64-linux-gnu
>         # https://github.com/0day-ci/linux/commit/6cce2a0155c3ee2a1550cb3d5e434cc85f055a60
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Victor-Stewart/udp-allow-UDP-cmsghdrs-through-io_uring/20201217-020451
>         git checkout 6cce2a0155c3ee2a1550cb3d5e434cc85f055a60
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang 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 >>):
>
>    /tmp/leds-blinkm-655475.s: Assembler messages:
> >> /tmp/leds-blinkm-655475.s:590: Error: unrecognized opcode `zext.b s7,a0'
> >> /tmp/leds-blinkm-655475.s:614: Error: unrecognized opcode `zext.b a0,a0'
> >> /tmp/leds-blinkm-655475.s:667: Error: unrecognized opcode `zext.b a2,s2'
>    /tmp/leds-blinkm-655475.s:750: Error: unrecognized opcode `zext.b a2,s2'
>    /tmp/leds-blinkm-655475.s:833: Error: unrecognized opcode `zext.b a2,s2'
>    clang-12: error: assembler command failed with exit code 1 (use -v to see invocation)
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org