WARNING: line length of 81 exceeds 80 columns #40: FILE: kernel/bpf/stackmap.c:45: + struct pt_regs *regs, u32 init_nr, bool kernel, WARNING: line length of 82 exceeds 80 columns #106: FILE: kernel/bpf/stackmap.c:372: + err = __bpf_get_stackid(map, (struct perf_callchain_entry *)trace, flags); total: 0 errors, 2 warnings, 0 checks, 115 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 68a26a4a35ad ("bpf: Add preempt_disable to protect get_perf_callchain") has style problems, please review. NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE 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, 2 warnings, 0 checks, 115 lines checked