Re: [PATCH net 1/4] net-sysfs: take the rtnl lock when storing xps_cpus

[kernel test robot <lkp@intel.com>]

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Hi Antoine,

I love your patch! Yet something to improve:

[auto build test ERROR on net/master]

url:    https://github.com/0day-ci/linux/commits/Antoine-Tenart/net-sysfs-fix-race-conditions-in-the-xps-code/20201218-002852
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 3ae32c07815a24ae12de2e7838d9d429ba31e5e0
config: riscv-randconfig-r014-20201217 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45)
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/f989c3dcbe4d9abd1c6c48b34f08c6c0cd9d44b3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Antoine-Tenart/net-sysfs-fix-race-conditions-in-the-xps-code/20201218-002852
        git checkout f989c3dcbe4d9abd1c6c48b34f08c6c0cd9d44b3
        # 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@intel.com>

Note: the linux-review/Antoine-Tenart/net-sysfs-fix-race-conditions-in-the-xps-code/20201218-002852 HEAD 563d144b47845dea594b409ecf22914b9797cd1e builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   /tmp/ics932s401-422897.s: Assembler messages:
>> /tmp/ics932s401-422897.s:260: Error: unrecognized opcode `zext.b a1,s11'
   /tmp/ics932s401-422897.s:362: Error: unrecognized opcode `zext.b a1,s11'
   /tmp/ics932s401-422897.s:518: Error: unrecognized opcode `zext.b a1,s11'
   /tmp/ics932s401-422897.s:637: Error: unrecognized opcode `zext.b a1,s11'
   /tmp/ics932s401-422897.s:774: Error: unrecognized opcode `zext.b a1,s11'
   /tmp/ics932s401-422897.s:893: Error: unrecognized opcode `zext.b a1,s11'
   /tmp/ics932s401-422897.s:1021: Error: unrecognized opcode `zext.b a1,s11'
>> /tmp/ics932s401-422897.s:1180: Error: unrecognized opcode `zext.b a1,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(a)lists.01.org

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