WARNING: line length of 84 exceeds 80 columns #52: FILE: kernel/trace/bpf_trace.c:2277: + * It could be that the bpf_prog is not sleepable (and will be freed WARNING: line length of 86 exceeds 80 columns #53: FILE: kernel/trace/bpf_trace.c:2278: + * via normal RCU), but is called from a point that supports sleepable WARNING: use of RCU tasks trace is incorrect outside BPF or core RCU code #56: FILE: kernel/trace/bpf_trace.c:2281: + synchronize_rcu_tasks_trace(); total: 0 errors, 3 warnings, 0 checks, 37 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 0acb1d958cc7 ("bpf: Move out synchronize_rcu_tasks_trace from mutex CS") 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, 3 warnings, 0 checks, 37 lines checked