Re: [PATCH v3 bpf-next 18/18] selftests/bpf: Add a test for attaching BPF prog to another BPF prog and subprog

[Song Liu <songliubraving@xxxxxx>]

> On Nov 7, 2019, at 10:40 PM, Alexei Starovoitov <ast@xxxxxxxxxx> wrote:
> 
> Add a test that attaches one FEXIT program to main sched_cls networking program
> and two other FEXIT programs to subprograms. All three tracing programs
> access return values and skb->len of networking program and subprograms.
> 
> Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx>

Acked-by: Song Liu <songliubraving@xxxxxx>