WARNING: line length of 87 exceeds 80 columns
#48: FILE: tools/testing/selftests/bpf/test_xsk.h:289:
+	{.name = "XDP_METADATA_COPY_MULTI_BUFF", .test_func = testapp_xdp_metadata_mb},

WARNING: line length of 82 exceeds 80 columns
#49: FILE: tools/testing/selftests/bpf/test_xsk.h:290:
+	{.name = "SEND_RECEIVE_9K_PACKETS", .test_func = testapp_send_receive_mb},

CHECK: Please don't use multiple blank lines
#52: FILE: tools/testing/selftests/bpf/test_xsk.h:293:
+
+

WARNING: line length of 89 exceeds 80 columns
#63: FILE: tools/testing/selftests/bpf/xskxceiver.c:315:
+	for (i = ARRAY_SIZE(tests); i < ARRAY_SIZE(tests) + ARRAY_SIZE(flaky_tests); i++)

WARNING: line length of 83 exceeds 80 columns
#102: FILE: tools/testing/selftests/bpf/xskxceiver.c:416:
+				test_init(&test, ifobj_tx, ifobj_rx, i, &tests[j]);

total: 0 errors, 4 warnings, 1 checks, 73 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 d91897fddb0c ("selftests/bpf: test_xsk: Isolate flaky tests") 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, 4 warnings, 1 checks, 73 lines checked