WARNING: line length of 101 exceeds 80 columns
#68: FILE: kernel/bpf/verifier.c:13920:
+		verbose(env, "kernel func %s requires RCU critical section protection\n", func_name);

WARNING: line length of 88 exceeds 80 columns
#84: FILE: tools/testing/selftests/bpf/progs/cgroup_read_xattr.c:76:
+__failure __msg("kernel func bpf_iter_css_new requires RCU critical section protection")

WARNING: line length of 89 exceeds 80 columns
#97: FILE: tools/testing/selftests/bpf/progs/iters_task_failure.c:18:
+__failure __msg("kernel func bpf_iter_task_new requires RCU critical section protection")

WARNING: line length of 88 exceeds 80 columns
#106: FILE: tools/testing/selftests/bpf/progs/iters_task_failure.c:30:
+__failure __msg("kernel func bpf_iter_css_new requires RCU critical section protection")

total: 0 errors, 4 warnings, 0 checks, 56 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 aee8bb4e947f ("bpf: Enforce RCU protection for KF_RCU_PROTECTED") 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, 4 warnings, 0 checks, 56 lines checked