Re: [PATCH bpf-next v4 00/15] bpf: A common way to attach struct_ops to a cgroup

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov [off-list ref]:

On Thu, 17 Sep 2026 13:05:26 -0700 you wrote:

Hi,

I am continuing Martin's work to support attaching struct_ops to cgroup.

At LSF/MM/BPF 2025, Martin presented [1] the need for a new interface
to extend tcp_sock operations instead of adding more BPF_SOCK_OPS_*CB
enum values. The need for predictable ordering when attaching struct_ops
to a cgroup was also briefly discussed.

[...]

Here is the summary with links:
  - [bpf-next,v4,01/15] bpf: Remove __rcu tagging in st_link->map
    https://git.kernel.org/bpf/bpf-next/c/012089512144
  - [bpf-next,v4,02/15] bpf: Make struct_ops tasks_rcu grace period optional
    https://git.kernel.org/bpf/bpf-next/c/5db69b0fbdc8
  - [bpf-next,v4,03/15] bpf: Add bpf_struct_ops accessor helpers
    https://git.kernel.org/bpf/bpf-next/c/3668bc410260
  - [bpf-next,v4,04/15] bpf: Remove unnecessary prog_list_prog() check
    https://git.kernel.org/bpf/bpf-next/c/1ef6cb2cc587
  - [bpf-next,v4,05/15] bpf: Replace prog_list_prog() check with direct pl->prog and pl->link check
    https://git.kernel.org/bpf/bpf-next/c/c6dde091dc12
  - [bpf-next,v4,06/15] bpf: Add prog_list_init_item(), prog_list_replace_item(), and prog_list_id()
    https://git.kernel.org/bpf/bpf-next/c/4d71b3e0821f
  - [bpf-next,v4,07/15] bpf: Move LSM trampoline unlink into bpf_cgroup_link_auto_detach()
    https://git.kernel.org/bpf/bpf-next/c/2ef54525d2fc
  - [bpf-next,v4,08/15] bpf: Add a few bpf_cgroup_array_* helper functions
    https://git.kernel.org/bpf/bpf-next/c/e176821b68d8
  - [bpf-next,v4,09/15] bpf: Add infrastructure to support attaching struct_ops to cgroups
    https://git.kernel.org/bpf/bpf-next/c/369d9dcd8fb8
  - [bpf-next,v4,10/15] bpf: Allow all struct_ops to use bpf_dynptr_from_skb()
    https://git.kernel.org/bpf/bpf-next/c/6d4ce907665d
  - [bpf-next,v4,11/15] bpf: tcp: Support selected sock_ops callbacks as struct_ops
    https://git.kernel.org/bpf/bpf-next/c/5ac77ae32940
  - [bpf-next,v4,12/15] bpf: tcp: Support parse/len/write header option hooks in bpf_tcp_ops
    https://git.kernel.org/bpf/bpf-next/c/3bb54768fe3e
  - [bpf-next,v4,13/15] libbpf: Support attaching struct_ops to a cgroup
    https://git.kernel.org/bpf/bpf-next/c/6bad848e3f70
  - [bpf-next,v4,14/15] selftests/bpf: Test attaching struct_ops to a cgroup
    https://git.kernel.org/bpf/bpf-next/c/ae7b5234fa8b
  - [bpf-next,v4,15/15] selftests/bpf: Add test for bpf_tcp_ops header option hooks
    https://git.kernel.org/bpf/bpf-next/c/d7399d91417b

You are awesome, thank you!
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