WARNING: Missing a blank line after declarations
#55: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:128:
+	struct bpf_map *map;
+	LIBBPF_OPTS(bpf_map_lookup_elem_opts, lookup_opts,

WARNING: line length of 84 exceeds 80 columns
#93: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:166:
+	err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 92 exceeds 80 columns
#103: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:176:
+		err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 92 exceeds 80 columns
#112: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:185:
+		err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 100 exceeds 80 columns
#120: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:193:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values, &count, &batch_opts);

WARNING: line length of 93 exceeds 80 columns
#121: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:194:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch current cpu"))

WARNING: line length of 81 exceeds 80 columns
#125: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:198:
+			if (!ASSERT_EQ(values[i], value, "value on current cpu"))

WARNING: line length of 100 exceeds 80 columns
#132: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:205:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values, &count, &batch_opts);

WARNING: line length of 90 exceeds 80 columns
#133: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:206:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch all cpus"))

WARNING: line length of 91 exceeds 80 columns
#138: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:211:
+				if (!ASSERT_EQ(values[i*nr_cpus + j], j != cpu ? 0 : value,

CHECK: spaces preferred around that '*' (ctx:VxV)
#138: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:211:
+				if (!ASSERT_EQ(values[i*nr_cpus + j], j != cpu ? 0 : value,
 				                       ^

WARNING: line length of 84 exceeds 80 columns
#169: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:242:
+	err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 85 exceeds 80 columns
#181: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:254:
+			if (!ASSERT_OK(err, "bpf_map__update_elem_opts current cpu"))

WARNING: line length of 93 exceeds 80 columns
#191: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:264:
+				if (!ASSERT_OK(err, "bpf_map__lookup_elem_opts current cpu"))

WARNING: line length of 97 exceeds 80 columns
#194: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:267:
+					       "bpf_map__lookup_elem_opts value on current cpu"))

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#226: 
new file mode 100644

total: 0 errors, 15 warnings, 1 checks, 212 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 0f7b33870ab4 ("selftests/bpf: Add case to test BPF_F_CPU") 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, 15 warnings, 1 checks, 212 lines checked