WARNING: line length of 105 exceeds 80 columns
#187: FILE: tools/testing/selftests/bpf/bpf_experimental.h:15:
+#define bpf_percpu_obj_new(type) ((type __percpu_kptr *)bpf_percpu_obj_new(bpf_core_type_id_local(type)))

CHECK: No space is necessary after a cast
#187: FILE: tools/testing/selftests/bpf/bpf_experimental.h:15:
+#define bpf_percpu_obj_new(type) ((type __percpu_kptr *)bpf_percpu_obj_new(bpf_core_type_id_local(type)))

WARNING: quoted string split across lines
#212: FILE: tools/testing/selftests/bpf/prog_tests/spin_lock.c:17:
+	  "[0-9]\\+: (bf) r1 = r0                       ; R0=ptr_foo(id=2,ref_obj_id=2)"
+	  " R1=ptr_foo(id=2,ref_obj_id=2) refs=2\n"

total: 0 errors, 2 warnings, 1 checks, 196 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 847338b02960 ("selftests/bpf: Update kfuncs using btf_struct_meta to new variants") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 1 checks, 196 lines checked