WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#21: 
new file mode 100644

WARNING: line length of 88 exceeds 80 columns
#44: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_cookie.c:19:
+	link = bpf_map__attach_struct_ops_opts(skel->maps.testmod_cookie, &attach_opts);

CHECK: No space is necessary after a cast
#85: FILE: tools/testing/selftests/bpf/progs/struct_ops_cookie.c:12:
+void bpf_testmod_ops3_call_test_1(void) __ksym;

CHECK: No space is necessary after a cast
#86: FILE: tools/testing/selftests/bpf/progs/struct_ops_cookie.c:13:
+void bpf_testmod_ops3_call_test_2(void) __ksym;

total: 0 errors, 2 warnings, 2 checks, 97 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 d9aa0dc15d16 ("selftests/bpf: Test bpf_get_attach_cookie() in struct_ops program") 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, 2 checks, 97 lines checked