It's confusing to inspect 'prog->aux->tail_call_reachable' with drgn[0], when bpf prog has tail call but 'tail_call_reachable' is false. This patch corrects 'tail_call_reachable' when bpf prog has tail call. Therefore, it's unnecessary to detect tail call in x86 jit. Let's remove it. Changes: v1 -> v2: * Address comment from Yonghong: * Remove unnecessary tail call detection in x86 jit. --- Links: [0] https://github.com/osandov/drgn Leon Hwang (2): bpf, verifier: Correct tail_call_reachable for bpf prog bpf, x64: Remove tail call detection arch/x86/net/bpf_jit_comp.c | 11 ++--------- kernel/bpf/verifier.c | 4 +++- 2 files changed, 5 insertions(+), 10 deletions(-) base-commit: 2c6987105026a4395935a3db665c54eb1bafe782 -- 2.44.0
