On Tue, Dec 20, 2022 at 9:44 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Stanislav, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on bpf-next/master] > > url: https://github.com/intel-lab-lkp/linux/commits/Stanislav-Fomichev/xdp-hints-via-kfuncs/20221221-110542 > base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master > patch link: https://lore.kernel.org/r/20221220222043.3348718-8-sdf%40google.com > patch subject: [PATCH bpf-next v5 07/17] bpf: XDP metadata RX kfuncs > config: ia64-allyesconfig > compiler: ia64-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/f0946bf20669262734baef03ae12ef189c9c9292 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Stanislav-Fomichev/xdp-hints-via-kfuncs/20221221-110542 > git checkout f0946bf20669262734baef03ae12ef189c9c9292 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash kernel/bpf/ > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> kernel/bpf/verifier.c:2084:5: warning: no previous prototype for 'bpf_dev_bound_kfunc_check' [-Wmissing-prototypes] > 2084 | int bpf_dev_bound_kfunc_check(struct bpf_verifier_env *env, > | ^~~~~~~~~~~~~~~~~~~~~~~~~ Oops, this should be "static int bpf_dev_bound_kfunc_check" :-( > vim +/bpf_dev_bound_kfunc_check +2084 kernel/bpf/verifier.c > > 2083 > > 2084 int bpf_dev_bound_kfunc_check(struct bpf_verifier_env *env, > 2085 struct bpf_prog_aux *prog_aux) > 2086 { > 2087 if (!bpf_prog_is_dev_bound(prog_aux)) { > 2088 verbose(env, "metadata kfuncs require device-bound program\n"); > 2089 return -EINVAL; > 2090 } > 2091 > 2092 if (bpf_prog_is_offloaded(prog_aux)) { > 2093 verbose(env, "metadata kfuncs can't be offloaded\n"); > 2094 return -EINVAL; > 2095 } > 2096 > 2097 return 0; > 2098 } > 2099 > > -- > 0-DAY CI Kernel Test Service > https://01.org/lkp