WARNING: line length of 84 exceeds 80 columns
#41: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:154:
+static void test_lru_hash_map_update_elem(enum bpf_map_type map_type, u64 map_flags)

WARNING: Missing a blank line after declarations
#47: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:160:
+	cpu_set_t cpus;
+	LIBBPF_OPTS(bpf_map_create_opts, opts,

WARNING: line length of 100 exceeds 80 columns
#61: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:174:
+	map_fd = bpf_map_create(map_type, "test_lru", sizeof(int), sizeof(u64), max_entries, &opts);

CHECK: spaces preferred around that '%' (ctx:VxV)
#69: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:182:
+		__setaffinity(&cpus, key%nr_cpus);
 		                        ^

WARNING: line length of 89 exceeds 80 columns
#77: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:190:
+#define CHECK_OTHER_CPUS_VALUES(__val)							\

WARNING: Macros with flow control statements should be avoided
#77: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:190:
+#define CHECK_OTHER_CPUS_VALUES(__val)							\
+	do {										\
+		if (!percpu)								\
+			break;								\
+		for (i = 1; i < nr_cpus; i++)						\
+			if (!ASSERT_EQ(values[i], __val, "bpf_map_lookup_elem value"))	\
+				goto out;						\
+	} while (0)

WARNING: line length of 89 exceeds 80 columns
#78: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:191:
+	do {										\

WARNING: line length of 89 exceeds 80 columns
#79: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:192:
+		if (!percpu)								\

WARNING: line length of 89 exceeds 80 columns
#80: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:193:
+			break;								\

WARNING: line length of 89 exceeds 80 columns
#81: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:194:
+		for (i = 1; i < nr_cpus; i++)						\

WARNING: line length of 89 exceeds 80 columns
#82: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:195:
+			if (!ASSERT_EQ(values[i], __val, "bpf_map_lookup_elem value"))	\

WARNING: line length of 89 exceeds 80 columns
#83: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:196:
+				goto out;						\

WARNING: line length of 82 exceeds 80 columns
#138: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:251:
+	test_lru_hash_map_update_elem(BPF_MAP_TYPE_LRU_HASH, BPF_F_NO_COMMON_LRU);

WARNING: line length of 89 exceeds 80 columns
#148: FILE: tools/testing/selftests/bpf/prog_tests/htab_update.c:261:
+	test_lru_hash_map_update_elem(BPF_MAP_TYPE_LRU_PERCPU_HASH, BPF_F_NO_COMMON_LRU);

total: 0 errors, 13 warnings, 1 checks, 132 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 a5c654cb8f50 ("selftests/bpf: Add tests to verify no unintended eviction when updating lru_[percpu_,]hash maps") 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, 13 warnings, 1 checks, 132 lines checked