WARNING: line length of 100 exceeds 80 columns
#54: 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, u32 entries,

WARNING: Missing a blank line after declarations
#64: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:129:
+	u32 count, v;
+	LIBBPF_OPTS(bpf_map_batch_opts, batch_opts);

WARNING: line length of 90 exceeds 80 columns
#127: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:192:
+			err = bpf_map__update_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 90 exceeds 80 columns
#137: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:202:
+			err = bpf_map__update_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 82 exceeds 80 columns
#139: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:204:
+			if (!ASSERT_OK(err, "bpf_map__update_elem specified cpu"))

WARNING: line length of 98 exceeds 80 columns
#145: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:210:
+				err = bpf_map__lookup_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 90 exceeds 80 columns
#147: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:212:
+				if (!ASSERT_OK(err, "bpf_map__lookup_elem specified cpu"))

WARNING: line length of 94 exceeds 80 columns
#150: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:215:
+					       "bpf_map__lookup_elem value on specified cpu"))

WARNING: line length of 86 exceeds 80 columns
#171: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:236:
+		err = bpf_map_update_batch(map_fd, keys, values, &count, &batch_opts);

WARNING: line length of 86 exceeds 80 columns
#181: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:246:
+		err = bpf_map_update_batch(map_fd, keys, values, &count, &batch_opts);

WARNING: line length of 100 exceeds 80 columns
#189: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:254:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values, &count, &batch_opts);

WARNING: line length of 95 exceeds 80 columns
#190: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:255:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch specified cpu"))

WARNING: line length of 86 exceeds 80 columns
#195: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:260:
+				       "bpf_map_lookup_batch value on specified cpu"))

WARNING: line length of 83 exceeds 80 columns
#202: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:267:
+		memset(values_percpu, 0, roundup(value_sz, 8) * nr_cpus * entries);

WARNING: line length of 93 exceeds 80 columns
#203: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:268:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values_percpu, &count,

WARNING: line length of 90 exceeds 80 columns
#205: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:270:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch all_cpus"))

CHECK: No space is necessary after a cast
#209: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:274:
+			values_row = (void *) values_percpu +

WARNING: line length of 85 exceeds 80 columns
#212: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:277:
+				v = *(u32 *) (values_row + roundup(value_sz, 8) * j);

CHECK: No space is necessary after a cast
#212: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:277:
+				v = *(u32 *) (values_row + roundup(value_sz, 8) * j);

WARNING: line length of 86 exceeds 80 columns
#214: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:279:
+					       "bpf_map_lookup_batch value all_cpus"))

CHECK: Please don't use multiple blank lines
#225: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:290:
+
+

WARNING: line length of 87 exceeds 80 columns
#260: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:325:
+	test_percpu_map_op_cpu_flag(map, keys, key_sz, max_entries - 1, nr_cpus, true);

WARNING: Missing a blank line after declarations
#333: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:398:
+	int err, map_fd, key = 0;
+	LIBBPF_OPTS(bpf_map_batch_opts, batch_opts);

WARNING: line length of 97 exceeds 80 columns
#335: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:400:
+	map_fd = bpf_map_create(map_type, "test_cpu_flag", sizeof(int), sizeof(u64), max_entries,

WARNING: line length of 90 exceeds 80 columns
#353: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:418:
+	err = bpf_map_lookup_batch(map_fd, NULL, &batch, &key, &val, &count, &batch_opts);

total: 0 errors, 22 warnings, 3 checks, 379 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 3811b02c9001 ("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, 3 checks, 379 lines checked