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([2620:10d:c090:500::2:8a9]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-134cc33a618sm1177799c88.12.2026.05.13.15.30.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2026 15:30:53 -0700 (PDT) Message-ID: <38185cd5ac2c6103ec5af41347c5a76239bc670e.camel@gmail.com> Subject: Re: [PATCH RESEND bpf-next v10 1/8] bpf: refactor __bpf_list_del to take list node pointer From: Eduard Zingerman To: Kaitao cheng , ast@kernel.org, corbet@lwn.net, martin.lau@linux.dev, daniel@iogearbox.net, andrii@kernel.org, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, shuah@kernel.org, chengkaitao@kylinos.cn, skhan@linuxfoundation.org, memxor@gmail.com Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, vmalik@redhat.com, linux-kselftest@vger.kernel.org Date: Wed, 13 May 2026 15:30:50 -0700 In-Reply-To: <20260512055919.95716-2-kaitao.cheng@linux.dev> References: <20260512055919.95716-1-kaitao.cheng@linux.dev> <20260512055919.95716-2-kaitao.cheng@linux.dev> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Tue, 2026-05-12 at 13:59 +0800, Kaitao cheng wrote: > From: Kaitao Cheng >=20 > Refactor __bpf_list_del to accept (head, struct list_head *n) instead of > (head, bool tail). The caller now passes the specific node to remove: > bpf_list_pop_front passes h->next, bpf_list_pop_back passes h->prev. >=20 > Prepares for introducing bpf_list_del(head, node) kfunc to remove an > arbitrary node when the user holds ownership. >=20 > Signed-off-by: Kaitao Cheng > --- Reviewed-by: Eduard Zingerman [...]