WARNING: Missing a blank line after declarations
#37: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:747:
+	struct bpf_link **link = &skel->links.uprobe_0 + bit;
+	LIBBPF_OPTS(bpf_uprobe_multi_opts, opts);

WARNING: line length of 88 exceeds 80 columns
#83: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:793:
+			if (!ASSERT_OK(uprobe_attach(skel, bit), "uprobe_attach_after"))

WARNING: line length of 89 exceeds 80 columns
#98: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:808:
+			if (!ASSERT_OK(uprobe_attach(skel, bit), "uprobe_attach_before"))

WARNING: line length of 94 exceeds 80 columns
#142: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:852:
+			 * to trigger uretprobe consumer, the uretprobe needs to be installed,

WARNING: line length of 96 exceeds 80 columns
#143: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:853:
+			 * which means one of the 'return' uprobes was alive when probe was hit:

WARNING: line length of 96 exceeds 80 columns
#145: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:855:
+			 *   bits: 0 (session with return) 4/5 uprobe return in 'installed' mask

WARNING: line length of 96 exceeds 80 columns
#147: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:857:
+			 * in addition if 'after' state removes everything that was installed in

WARNING: line length of 96 exceeds 80 columns
#148: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:858:
+			 * 'before' state, then uprobe kernel object goes away and return uprobe

WARNING: line length of 94 exceeds 80 columns
#149: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:859:
+			 * is not installed and we won't hit it even if it's in 'after' state.

WARNING: line length of 94 exceeds 80 columns
#151: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:861:
+			unsigned long installed = before & 0b110001; // is uretprobe installed

WARNING: line length of 90 exceeds 80 columns
#152: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:862:
+			unsigned long exists    = before & after;    // did uprobe go away

WARNING: line length of 82 exceeds 80 columns
#178: FILE: tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c:888:
+	if (!ASSERT_OK_PTR(skel, "uprobe_multi_session_consumers__open_and_load"))

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#244: 
new file mode 100644

total: 0 errors, 13 warnings, 0 checks, 272 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 c815de317b5f ("selftests/bpf: Add uprobe session consumers test") 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, 13 warnings, 0 checks, 272 lines checked