Hi, On 8/29/2022 11:51 PM, Daniel Borkmann wrote: > On 8/29/22 4:37 AM, Hou Tao wrote: >> From: Hou Tao <houtao1@xxxxxxxxxx> >> >> One test demonstrates the reentrancy of hash map update on the same >> bucket should fail, and another one shows concureently updates of >> the same hash map bucket should succeed and not fail due to >> the reentrancy checking for bucket lock. SNIP > The test fails the CI on s390x, link: > > https://github.com/kernel-patches/bpf/runs/8062792183?check_suite_focus=true > > All error logs: > test_reenter_update:PASS:htab_update__open 0 nsec > test_reenter_update:PASS:htab_update__load 0 nsec > libbpf: prog 'lookup_elem_raw': failed to attach: ERROR: strerror_r(-524)=22 > libbpf: prog 'lookup_elem_raw': failed to auto-attach: -524 > test_reenter_update:FAIL:htab_update__attach unexpected error: -524 (errno 524) > #83/1 htab_update/reenter_update:FAIL > #83 htab_update:FAIL > Summary: 189/973 PASSED, 27 SKIPPED, 1 FAILED > > You'd have to add this to the s390 denylist, see also > tools/testing/selftests/bpf/DENYLIST.s390x . > . Should I post it in a single patch, or send v4 to include it ?
