WARNING: line length of 87 exceeds 80 columns
#39: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:119:
+static void test_percpu_map_op_cpu_flag(struct bpf_map *map, void *keys, size_t key_sz,

WARNING: Missing a blank line after declarations
#47: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:127:
+	u32 count = max_entries;
+	LIBBPF_OPTS(bpf_map_batch_opts, batch_opts);

WARNING: line length of 90 exceeds 80 columns
#91: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:171:
+			err = bpf_map__update_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 90 exceeds 80 columns
#101: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:181:
+			err = bpf_map__update_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 82 exceeds 80 columns
#103: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:183:
+			if (!ASSERT_OK(err, "bpf_map__update_elem specified cpu"))

WARNING: line length of 98 exceeds 80 columns
#109: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:189:
+				err = bpf_map__lookup_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 90 exceeds 80 columns
#111: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:191:
+				if (!ASSERT_OK(err, "bpf_map__lookup_elem specified cpu"))

WARNING: line length of 94 exceeds 80 columns
#114: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:194:
+					       "bpf_map__lookup_elem value on specified cpu"))

WARNING: line length of 84 exceeds 80 columns
#124: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:204:
+	err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 92 exceeds 80 columns
#133: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:213:
+		err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 92 exceeds 80 columns
#142: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:222:
+		err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 100 exceeds 80 columns
#148: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:228:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values, &count, &batch_opts);

WARNING: line length of 95 exceeds 80 columns
#149: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:229:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch specified cpu"))

WARNING: line length of 86 exceeds 80 columns
#154: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:234:
+				       "bpf_map_lookup_batch value on specified cpu"))

WARNING: line length of 100 exceeds 80 columns
#160: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:240:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values, &count, &batch_opts);

WARNING: line length of 90 exceeds 80 columns
#161: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:241:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch all_cpus"))

WARNING: line length of 91 exceeds 80 columns
#166: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:246:
+				if (!ASSERT_EQ(values[i*nr_cpus + j], j != cpu ? 0 : value,

CHECK: spaces preferred around that '*' (ctx:VxV)
#166: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:246:
+				if (!ASSERT_EQ(values[i*nr_cpus + j], j != cpu ? 0 : value,
 				                       ^

WARNING: line length of 86 exceeds 80 columns
#167: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:247:
+					       "bpf_map_lookup_batch value all_cpus"))

total: 0 errors, 18 warnings, 1 checks, 285 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 a7e454ea4b2a ("selftests/bpf: Add cases to test BPF_F_CPU and BPF_F_ALL_CPUS flags") 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, 18 warnings, 1 checks, 285 lines checked