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Wed, 09 Jul 2025 01:22:11 -0700 (PDT) From: Jakub Sitnicki To: Tao Chen Cc: daniel@iogearbox.net, razor@blackwall.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ast@kernel.org, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, mattbobrowski@google.com, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, horms@kernel.org, willemb@google.com, pablo@netfilter.org, kadlec@netfilter.org, hawk@kernel.org, bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org Subject: Re: [PATCH bpf-next v3 0/7] Add attach_type in bpf_link In-Reply-To: <20250709030802.850175-1-chen.dylane@linux.dev> (Tao Chen's message of "Wed, 9 Jul 2025 11:07:55 +0800") References: <20250709030802.850175-1-chen.dylane@linux.dev> Date: Wed, 09 Jul 2025 10:22:09 +0200 Message-ID: <87zfddepu6.fsf@cloudflare.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Wed, Jul 09, 2025 at 11:07 AM +08, Tao Chen wrote: > Andrii suggested moving the attach_type into bpf_link, the previous discussion > is as follows: > https://lore.kernel.org/bpf/CAEf4BzY7TZRjxpCJM-+LYgEqe23YFj5Uv3isb7gat2-HU4OSng@mail.gmail.com > > patch1 add attach_type in bpf_link, and pass it to bpf_link_init, which > will init the attach_type field. > > patch2-7 remove the attach_type in struct bpf_xx_link, update the info > with bpf_link attach_type. > > There are some functions finally call bpf_link_init but do not have bpf_attr > from user or do not need to init attach_type from user like bpf_raw_tracepoint_open, > now use prog->expected_attach_type to init attach_type. > > bpf_struct_ops_map_update_elem > bpf_raw_tracepoint_open > bpf_struct_ops_test_run > > Feedback of any kind is welcome, thanks. > > Tao Chen (7): > bpf: Add attach_type in bpf_link > bpf: Remove attach_type in bpf_cgroup_link > bpf: Remove attach_type in sockmap_link > bpf: Remove location field in tcx_link > bpf: Remove attach_type in bpf_netns_link > bpf: Remove attach_type in bpf_tracing_link > netkit: Remove location field in netkit_link For the series: Reviewed-by: Jakub Sitnicki