WARNING: line length of 81 exceeds 80 columns
#91: FILE: tools/testing/selftests/bpf/prog_tests/libbpf_probes.c:194:
+	/* prog BPF_PROG_TYPE_KPROBE does not support kfunc bpf_cpumask_create */

WARNING: line length of 91 exceeds 80 columns
#119: FILE: tools/testing/selftests/bpf/prog_tests/libbpf_probes.c:222:
+	/* prog BPF_PROG_TYPE_SYSCALL supports kfunc bpf_kfunc_call_test1 in bpf_testmod */

WARNING: line length of 81 exceeds 80 columns
#135: FILE: tools/testing/selftests/bpf/prog_tests/libbpf_probes.c:238:
+	ret = libbpf_probe_bpf_kfunc(BPF_PROG_TYPE_SYSCALL, kfunc_id, 100, NULL);

total: 0 errors, 3 warnings, 0 checks, 121 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 1d1aa2422204 ("selftests/bpf: Add libbpf_probe_bpf_kfunc API selftests") 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, 121 lines checked