On Wed, Oct 11, 2023 at 11:27:25PM +0800, Leon Hwang wrote: > Add some test cases to confirm the tailcall hierarchy issue has been fixed. > > tools/testing/selftests/bpf/test_progs -t tailcalls > 235/17 tailcalls/tailcall_bpf2bpf_hierarchy_1:OK > 235/18 tailcalls/tailcall_bpf2bpf_hierarchy_fentry:OK > 235/19 tailcalls/tailcall_bpf2bpf_hierarchy_fexit:OK > 235/20 tailcalls/tailcall_bpf2bpf_hierarchy_fentry_fexit:OK > 235/21 tailcalls/tailcall_bpf2bpf_hierarchy_2:OK > 235/22 tailcalls/tailcall_bpf2bpf_hierarchy_3:OK > 235 tailcalls:OK > Summary: 1/22 PASSED, 0 SKIPPED, 0 FAILED > > Signed-off-by: Leon Hwang <hffilwlqm@xxxxxxxxx> > --- > .../selftests/bpf/prog_tests/tailcalls.c | 418 ++++++++++++++++++ Generally it feels like a lot of duplicated code from your previous fentry/fexit fixes, but I didn't look closely if it would be possible to pull out something in common. > .../bpf/progs/tailcall_bpf2bpf_hierarchy1.c | 34 ++ > .../bpf/progs/tailcall_bpf2bpf_hierarchy2.c | 55 +++ > .../bpf/progs/tailcall_bpf2bpf_hierarchy3.c | 46 ++ > 4 files changed, 553 insertions(+) > create mode 100644 tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy1.c > create mode 100644 tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy2.c > create mode 100644 tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy3.c >
