WARNING: line length of 98 exceeds 80 columns #99: FILE: kernel/trace/bpf_trace.c:3395: + err = err ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_KPROBE, &bpf_kprobe_multi_kfunc_set); WARNING: line length of 94 exceeds 80 columns #100: FILE: kernel/trace/bpf_trace.c:3396: + err = err ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_TRACING, &bpf_tracing_kfunc_set); WARNING: From:/Signed-off-by: email address mismatch: 'From: Menglong Dong ' != 'Signed-off-by: Menglong Dong ' total: 0 errors, 3 warnings, 0 checks, 75 lines checked NOTE: For some of the reported defects, checkpatch may be able to mechanically convert to the typical style using --fix or --fix-inplace. Commit a22e8582f9ba ("bpf: add kfunc bpf_tracing_is_exit for TRACE_SESSION") has style problems, please review. NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF NOTE: If any of the errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. total: 0 errors, 3 warnings, 0 checks, 75 lines checked