Hi Stanislav, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/0day-ci/linux/commits/Stanislav-Fomichev/bpf-support-BPF_PROG_QUERY-for-BPF_FLOW_DISSECTOR-attach_type/20190424-235216 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: sparc64-allnoconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/net/net_namespace.h:37:0, from include/linux/inet.h:46, from include/linux/sunrpc/msg_prot.h:204, from include/linux/sunrpc/auth.h:16, from include/linux/nfs_fs.h:31, from arch/sparc//kernel/sys_sparc32.c:25: >> include/linux/skbuff.h:1268:12: error: 'skb_flow_dissector_prog_query' defined but not used [-Werror=unused-function] static int skb_flow_dissector_prog_query(const union bpf_attr *attr, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/skb_flow_dissector_prog_query +1268 include/linux/skbuff.h 1255 1256 void skb_flow_dissector_init(struct flow_dissector *flow_dissector, 1257 const struct flow_dissector_key *key, 1258 unsigned int key_count); 1259 1260 #ifdef CONFIG_NET 1261 int skb_flow_dissector_prog_query(const union bpf_attr *attr, 1262 union bpf_attr __user *uattr); 1263 int skb_flow_dissector_bpf_prog_attach(const union bpf_attr *attr, 1264 struct bpf_prog *prog); 1265 1266 int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr); 1267 #else > 1268 static int skb_flow_dissector_prog_query(const union bpf_attr *attr, 1269 union bpf_attr __user *uattr) 1270 { 1271 return -EOPNOTSUPP; 1272 } 1273 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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