Hi Song, 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/Song-Liu/perf-bpf-Introduce-PERF_RECORD_KSYMBOL/20181220-023635 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: nds32-allmodconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 6.4.0 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=6.4.0 make.cross ARCH=nds32 All errors (new ones prefixed by >>): kernel/bpf/syscall.c: In function '__bpf_prog_put': >> kernel/bpf/syscall.c:1214:3: error: implicit declaration of function >> 'perf_event_bpf_event' [-Werror=implicit-function-declaration] perf_event_bpf_event(prog, PERF_BPF_EVENT_PROG_UNLOAD, 0); ^~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/perf_event_bpf_event +1214 kernel/bpf/syscall.c 1210 1211 static void __bpf_prog_put(struct bpf_prog *prog, bool do_idr_lock) 1212 { 1213 if (atomic_dec_and_test(&prog->aux->refcnt)) { > 1214 perf_event_bpf_event(prog, PERF_BPF_EVENT_PROG_UNLOAD, > 0); 1215 /* bpf_prog_free_id() must be called first */ 1216 bpf_prog_free_id(prog, do_idr_lock); 1217 bpf_prog_kallsyms_del_all(prog); 1218 btf_put(prog->aux->btf); 1219 kvfree(prog->aux->func_info); 1220 bpf_prog_free_linfo(prog); 1221 1222 call_rcu(&prog->aux->rcu, __bpf_prog_put_rcu); 1223 } 1224 } 1225 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
