Re: [PATCH v3 bpf-next 2/9] libbpf: introduce concept of bpf_link

[Song Liu]

On Thu, Jun 27, 2019 at 10:53 PM Andrii Nakryiko <andr...@fb.com> wrote:
>
> bpf_link is and abstraction of an association of a BPF program and one
> of many possible BPF attachment points (hooks). This allows to have
> uniform interface for detaching BPF programs regardless of the nature of
> link and how it was created. Details of creation and setting up of
> a specific bpf_link is handled by corresponding attachment methods
> (bpf_program__attach_xxx) added in subsequent commits. Once successfully
> created, bpf_link has to be eventually destroyed with
> bpf_link__destroy(), at which point BPF program is disassociated from
> a hook and all the relevant resources are freed.
>
> Signed-off-by: Andrii Nakryiko <andr...@fb.com>
Acked-by: Song Liu <songliubrav...@fb.com>