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
#49: 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
#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 90 exceeds 80 columns
#111: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:191:
+			err = bpf_map__update_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 82 exceeds 80 columns
#113: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:193:
+			if (!ASSERT_OK(err, "bpf_map__update_elem specified cpu"))

WARNING: line length of 98 exceeds 80 columns
#119: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:199:
+				err = bpf_map__lookup_elem(map, keys + i * key_sz, key_sz, values,

WARNING: line length of 90 exceeds 80 columns
#121: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:201:
+				if (!ASSERT_OK(err, "bpf_map__lookup_elem specified cpu"))

WARNING: line length of 94 exceeds 80 columns
#124: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:204:
+					       "bpf_map__lookup_elem value on specified cpu"))

WARNING: line length of 84 exceeds 80 columns
#134: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:214:
+	err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 92 exceeds 80 columns
#143: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:223:
+		err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 92 exceeds 80 columns
#152: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:232:
+		err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &batch_opts);

WARNING: line length of 100 exceeds 80 columns
#158: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:238:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values, &count, &batch_opts);

WARNING: line length of 95 exceeds 80 columns
#159: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:239:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch specified cpu"))

WARNING: line length of 86 exceeds 80 columns
#164: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:244:
+				       "bpf_map_lookup_batch value on specified cpu"))

WARNING: line length of 87 exceeds 80 columns
#169: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:249:
+		memset(values_percpu, 0, roundup(value_sz, 8) * nr_cpus * max_entries);

WARNING: line length of 93 exceeds 80 columns
#170: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:250:
+		err = bpf_map_lookup_batch(map_fd, NULL, &batch, keys, values_percpu, &count,

WARNING: line length of 90 exceeds 80 columns
#172: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:252:
+		if (!ASSERT_TRUE(!err || err == -ENOENT, "bpf_map_lookup_batch all_cpus"))

CHECK: No space is necessary after a cast
#176: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:256:
+			values_row = (void *) values_percpu +

WARNING: line length of 85 exceeds 80 columns
#179: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:259:
+				v = *(u32 *) (values_row + roundup(value_sz, 8) * j);

CHECK: No space is necessary after a cast
#179: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:259:
+				v = *(u32 *) (values_row + roundup(value_sz, 8) * j);

WARNING: line length of 86 exceeds 80 columns
#181: FILE: tools/testing/selftests/bpf/prog_tests/percpu_alloc.c:261:
+					       "bpf_map_lookup_batch value all_cpus"))

total: 0 errors, 19 warnings, 2 checks, 299 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 e83e6186d2cb ("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, 19 warnings, 2 checks, 299 lines checked