From upstream commits, there are some commits that make it looks like this test should be able to run on s390x:
bpf: fix selftest/bpf/test_pkt_md_access on s390x
From upstream commits, there are some commits that make it looks like this test should be able to run on s390x:
bpf: fix selftest/ bpf/test_ pkt_md_ access on s390x