On 3/13/26 15:20, Alexei Starovoitov wrote:
[...]
I was about to apply it, but it fails on s390. See CI:
Error: #160 kfunc_call
Error: #160/13 kfunc_call/kfunc_call_test5_asm
Error: #160/13 kfunc_call/kfunc_call_test5_asm
verify_success:PASS:skel 0 nsec
verify_success:PASS:bpf_object__find_program_by_name 0 nsec
verify_success:PASS:kfunc_call_test5_asm 0 nsec
verify_success:FAIL:retval unexpected retval: actual 6 != expected 0
Test Results:
bpftool: PASS
test_progs: FAIL (returned 1)
It doesn't look to be endianness related (which is often
the case for breaking s390).
In this case it could be an s390 JIT issue?
Ilya ?
pw-bot: cr
I implemented sign-extension required by the s390x ABI, but forgot about
zero-extension.
I will send the fix soon, after ./test_progs completes.
