WARNING: line length of 87 exceeds 80 columns
#42: 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
#52: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:129:
+	void *values_row;
+	LIBBPF_OPTS(bpf_map_batch_opts, batch_opts);

WARNING: line length of 90 exceeds 80 columns
#119: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:196:
+			err = bpf_map__update_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 90 exceeds 80 columns
#129: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:206:
+			err = bpf_map__update_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 82 exceeds 80 columns
#131: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:208:
+			if (!ASSERT_OK(err, "bpf_map__update_elem specified cpu"))

WARNING: line length of 98 exceeds 80 columns
#137: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:214:
+				err = bpf_map__lookup_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 90 exceeds 80 columns
#139: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:216:
+				if (!ASSERT_OK(err, "bpf_map__lookup_elem specified cpu"))

WARNING: line length of 94 exceeds 80 columns
#142: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:219:
+					       "bpf_map__lookup_elem value on specified cpu"))

WARNING: line length of 84 exceeds 80 columns
#152: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:229:
+	err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 92 exceeds 80 columns
#161: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:238:
+		err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 92 exceeds 80 columns
#170: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:247:
+		err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 100 exceeds 80 columns
#176: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:253:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values, &count, &batch_opts);

WARNING: line length of 95 exceeds 80 columns
#177: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:254:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch specified cpu"))

WARNING: line length of 86 exceeds 80 columns
#182: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:259:
+				       "bpf_map_lookup_batch value on specified cpu"))

WARNING: line length of 87 exceeds 80 columns
#189: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:266:
+		memset(values_percpu, 0, roundup(value_sz, 8) * nr_cpus * max_entries);

WARNING: line length of 93 exceeds 80 columns
#190: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:267:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values_percpu, &count,

WARNING: line length of 90 exceeds 80 columns
#192: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:269:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch all_cpus"))

CHECK: No space is necessary after a cast
#196: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:273:
+			values_row = (void *) values_percpu +

WARNING: line length of 85 exceeds 80 columns
#199: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:276:
+				v = *(u32 *) (values_row + roundup(value_sz, 8) * j);

CHECK: No space is necessary after a cast
#199: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:276:
+				v = *(u32 *) (values_row + roundup(value_sz, 8) * j);

WARNING: line length of 86 exceeds 80 columns
#201: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:278:
+					       "bpf_map_lookup_batch value all_cpus"))

WARNING: Missing a blank line after declarations
#305: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:382:
+	int err, map_fd, key = 0;
+	LIBBPF_OPTS(bpf_map_batch_opts, batch_opts);

WARNING: line length of 97 exceeds 80 columns
#307: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:384:
+	map_fd = bpf_map_create(map_type, "test_cpu_flag", sizeof(int), sizeof(u64), max_entries,

WARNING: line length of 90 exceeds 80 columns
#325: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:402:
+	err = bpf_map_lookup_batch(map_fd, NULL, &batch, &key, &val, &count, &batch_opts);

total: 0 errors, 22 warnings, 2 checks, 363 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 2a2abf7c3ad9 ("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 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, 22 warnings, 2 checks, 363 lines checked