.pylintrc: warning: ignored by one of the .gitignore files ../kernel/bpf/verifier.c:16507:9: error: call to undeclared function 'push_insn_history'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 16507 | err = push_insn_history(env, this_branch, insn_flags, 0); | ^ ../kernel/bpf/verifier.c:16507:9: note: did you mean 'push_jmp_history'? ../kernel/bpf/verifier.c:3862:12: note: 'push_jmp_history' declared here 3862 | static int push_jmp_history(struct bpf_verifier_env *env, struct bpf_verifier_state *cur, | ^ 1 error generated. make[5]: *** [../scripts/Makefile.build:203: kernel/bpf/verifier.o] Error 1 make[5]: *** Waiting for unfinished jobs.... make[4]: *** [../scripts/Makefile.build:470: kernel/bpf] Error 2 make[4]: *** Waiting for unfinished jobs.... make[3]: *** [../scripts/Makefile.build:470: kernel] Error 2 make[2]: *** [/home/nipa/bpf-next/wt-0/Makefile:2008: .] Error 2 make[1]: *** [/home/nipa/bpf-next/wt-0/Makefile:248: __sub-make] Error 2 make: *** [Makefile:248: __sub-make] Error 2 .pylintrc: warning: ignored by one of the .gitignore files ../kernel/bpf/verifier.c:1931:35: warning: unused function 'get_loop_entry' [-Wunused-function] 1931 | static struct bpf_verifier_state *get_loop_entry(struct bpf_verifier_env *env, | ^~~~~~~~~~~~~~ ../kernel/bpf/verifier.c:1945:13: warning: unused function 'update_loop_entry' [-Wunused-function] 1945 | static void update_loop_entry(struct bpf_verifier_env *env, | ^~~~~~~~~~~~~~~~~ 2 warnings generated.