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Tue, 14 Oct 2025 04:27:09 -0700 (PDT) From: Menglong Dong X-Google-Original-From: Menglong Dong To: ast@kernel.org, paulmck@kernel.org Cc: daniel@iogearbox.net, 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, jakub@cloudflare.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, jiang.biao@linux.dev, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH bpf-next 3/4] bpf: use bpf_prog_run_pin_on_cpu_rcu() in skmsg.c Date: Tue, 14 Oct 2025 19:26:39 +0800 Message-ID: <20251014112640.261770-4-dongml2@chinatelecom.cn> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251014112640.261770-1-dongml2@chinatelecom.cn> References: <20251014112640.261770-1-dongml2@chinatelecom.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace bpf_prog_run_pin_on_cpu() with bpf_prog_run_pin_on_cpu_rcu() in following functions to obtain better performance: sk_psock_msg_verdict sk_psock_tls_strp_read sk_psock_strp_read sk_psock_strp_parse sk_psock_verdict_recv Signed-off-by: Menglong Dong --- net/core/skmsg.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/net/core/skmsg.c b/net/core/skmsg.c index 2ac7731e1e0a..1d3f47b07659 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -908,7 +908,7 @@ int sk_psock_msg_verdict(struct sock *sk, struct sk_pso= ck *psock, =20 sk_msg_compute_data_pointers(msg); msg->sk =3D sk; - ret =3D bpf_prog_run_pin_on_cpu(prog, msg); + ret =3D bpf_prog_run_pin_on_cpu_rcu(prog, msg); ret =3D sk_psock_map_verd(ret, msg->sk_redir); psock->apply_bytes =3D msg->apply_bytes; if (ret =3D=3D __SK_REDIRECT) { @@ -993,7 +993,7 @@ int sk_psock_tls_strp_read(struct sk_psock *psock, stru= ct sk_buff *skb) skb->sk =3D psock->sk; skb_dst_drop(skb); skb_bpf_redirect_clear(skb); - ret =3D bpf_prog_run_pin_on_cpu(prog, skb); + ret =3D bpf_prog_run_pin_on_cpu_rcu(prog, skb); ret =3D sk_psock_map_verd(ret, skb_bpf_redirect_fetch(skb)); skb->sk =3D NULL; } @@ -1101,7 +1101,7 @@ static void sk_psock_strp_read(struct strparser *strp= , struct sk_buff *skb) skb->sk =3D sk; skb_dst_drop(skb); skb_bpf_redirect_clear(skb); - ret =3D bpf_prog_run_pin_on_cpu(prog, skb); + ret =3D bpf_prog_run_pin_on_cpu_rcu(prog, skb); skb_bpf_set_strparser(skb); ret =3D sk_psock_map_verd(ret, skb_bpf_redirect_fetch(skb)); skb->sk =3D NULL; @@ -1126,7 +1126,7 @@ static int sk_psock_strp_parse(struct strparser *strp= , struct sk_buff *skb) prog =3D READ_ONCE(psock->progs.stream_parser); if (likely(prog)) { skb->sk =3D psock->sk; - ret =3D bpf_prog_run_pin_on_cpu(prog, skb); + ret =3D bpf_prog_run_pin_on_cpu_rcu(prog, skb); skb->sk =3D NULL; } rcu_read_unlock(); @@ -1230,7 +1230,7 @@ static int sk_psock_verdict_recv(struct sock *sk, str= uct sk_buff *skb) if (likely(prog)) { skb_dst_drop(skb); skb_bpf_redirect_clear(skb); - ret =3D bpf_prog_run_pin_on_cpu(prog, skb); + ret =3D bpf_prog_run_pin_on_cpu_rcu(prog, skb); ret =3D sk_psock_map_verd(ret, skb_bpf_redirect_fetch(skb)); } ret =3D sk_psock_verdict_apply(psock, skb, ret); --=20 2.51.0