Hi Brendan, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on bpf-next/master] url: https://github.com/0day-ci/linux/commits/Brendan-Jackman/Atomics-for-eBPF/20201128-020057 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: i386-randconfig-s001-20201127 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-151-g540c2c4b-dirty # https://github.com/0day-ci/linux/commit/8b1823a5cf4569c72046175d217e3e2ad68c6a05 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Brendan-Jackman/Atomics-for-eBPF/20201128-020057 git checkout 8b1823a5cf4569c72046175d217e3e2ad68c6a05 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> "sparse warnings: (new ones prefixed by >>)" >> kernel/bpf/disasm.c:83:12: sparse: sparse: symbol 'bpf_atomic_alu_string' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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