WARNING: externs should be avoided in .c files
#50: FILE: tools/testing/selftests/bpf/bench.c:552:
+extern const struct bench bench_dynptr_slice;

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#63: 
new file mode 100644

WARNING: line length of 90 exceeds 80 columns
#83: FILE: tools/testing/selftests/bpf/benchs/bench_dynptr_slice.c:16:
+		fprintf(stderr, "bpf dynptr_slice benchmark doesn't support consumer!\n");

CHECK: Please don't use multiple blank lines
#115: FILE: tools/testing/selftests/bpf/benchs/bench_dynptr_slice.c:48:
+
+

WARNING: Missing a blank line after declarations
#124: FILE: tools/testing/selftests/bpf/benchs/bench_dynptr_slice.c:57:
+	static const char data_in[1000];
+	LIBBPF_OPTS(bpf_test_run_opts, opts,

CHECK: Alignment should match open parenthesis
#125: FILE: tools/testing/selftests/bpf/benchs/bench_dynptr_slice.c:58:
+	LIBBPF_OPTS(bpf_test_run_opts, opts,
+		.repeat = 64,

ERROR: open brace '{' following function definitions go on the next line
#169: FILE: tools/testing/selftests/bpf/progs/dynptr_slice_bench.c:20:
+__pragma_loop_unroll_full
+	for (i = 0; i < N; ++i) {

WARNING: braces {} are not necessary for single statement blocks
#170: FILE: tools/testing/selftests/bpf/progs/dynptr_slice_bench.c:21:
+	for (i = 0; i < N; ++i) {
+		bpf_dynptr_slice(&psrc, i, NULL, 1);
+	}

total: 1 errors, 5 warnings, 2 checks, 133 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 5a020d102287 ("selftests/bpf: dynptr_slice benchmark") 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.