netdev - Re: [PATCH v3 bpf-next 0/4] Add support for cgroup bpf

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Message-ID: <CAADnVQ+rg=hcxg0ZwV62bKk5ji8jYHEPZ1B2Y-Ouk_ANx=K11A@mail.gmail.com>
Date:   Mon, 30 Mar 2020 13:50:25 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     David Ahern <dsahern@...il.com>
Cc:     Andrii Nakryiko <andrii.nakryiko@...il.com>,
        Andrii Nakryiko <andriin@...com>, bpf <bpf@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrey Ignatov <rdna@...com>, Kernel Team <kernel-team@...com>
Subject: Re: [PATCH v3 bpf-next 0/4] Add support for cgroup bpf_link

On Mon, Mar 30, 2020 at 1:46 PM David Ahern <dsahern@...il.com> wrote:
>
> On 3/30/20 2:20 PM, Andrii Nakryiko wrote:
> >> The observability piece should go in the same release as the feature.
> > You mean LINK_QUERY command I mentioned before? Yes, I'm working on
> > adding it next, regardless if this patch set goes in right now or
> > later.
>
> There was also mention of a "human override" details of which have not
> been discussed. Since the query is not ready either, then the
> create/update should wait so that all of it can be in the same kernel
> release. As it stands it is a half-baked feature.

"human override" was discussed only in the context of xdp.
There won't be override for cgroup-bpf.
Just like one doesn't exist today and there is no need for it.
There will be no override for clsbpf either.
None of the multi prog hooks need it.