From nobody Fri Dec 19 22:03:28 2025 Received: from mail-pg1-f193.google.com (mail-pg1-f193.google.com [209.85.215.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E397C30F959 for ; Tue, 14 Oct 2025 11:27:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.193 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760441237; cv=none; b=C9Z6DMLILL/GJaYMSB5JRm8E1qEEj1QPZJSeK6yvoLaueaV3ohBeKq0xoChW2otay9s4qGgx6aunnap84453cqIqLo4q/zmOI7WGKyMoKclajIm0PttyqKxEeCq20FCRyBD2AX4CHiXDuFg2C0J4Z0OA0buFRQWRtqLfdJRi3jc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760441237; c=relaxed/simple; bh=Rx/YhkNxvLHTn1Rxzb2qa4X0/4hclpnv8IPkM9Xg0Oc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XngAyPjnBOke2PM/L2cfmjuD9EWD1nkJj/YIYUfwYSifM9nB9gkaUyu3qEjnmstjyfUPIMHMfxqHOjuIowTilV89Cs8dvRMWIHc6oSusQHEdRM+qZLxokw8yRf+73ZXtY8fAxl9ddmY7UaKRE1wc+ORIqGOQ+8uXRjyoxmBjjw8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=fZm/6l8e; arc=none smtp.client-ip=209.85.215.193 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fZm/6l8e" Received: by mail-pg1-f193.google.com with SMTP id 41be03b00d2f7-b5515eaefceso4505185a12.2 for ; Tue, 14 Oct 2025 04:27:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1760441235; x=1761046035; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=iE4VzJhkO405E1xXiO2HovH6fVbTOd8AlZfv3OpV7tQ=; b=fZm/6l8etXCz+IX9EaYFXrINr+/EC5xO/KA/D/goPOt31MUJzDyet/ZxEgiA2sXwqP eo9ah2BfbtNGmFHVYg6leGsD6dSKaazLJBV8X5eJ8dZe6pJO8R+b9KzERmuoszWzy7xq EWKsaO9BpT57wDBvCdvLbDyqbaCk3dClrxpI/cuqgoIbEj8Z0Ame/e0gD1oBB/g1/rXA AGTSaU3PHg/qhnP93TsNC0VyiNpcmZKig5aOxq/I77v3nPd47l6Ec69LwUnTdATpGx1h URjqRZnr7Xh1ZPF+sUgVbVsvnhgUon5CCsQYhMKZGoylwSUVSOPJMa45YV1uV+9MHn0n Oq/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760441235; x=1761046035; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=iE4VzJhkO405E1xXiO2HovH6fVbTOd8AlZfv3OpV7tQ=; b=P3NC60bTC8TRL+pAsTITxRsvy0Tb/ZX5GdbCioky5kjxfpgnb52PNQ80czKZQUk5AZ 86LE2sEAdfJT7ccbYiTSl2LaqA54gF/T08m7hYDFWzEfhdhv5yl0UCOxBD2AmO84fFA1 fv27bFtmJkJPcAe24W2Kt+gptePeIH6C2RGoVMvMX+BSIctlml8dQ4gobTxB6q0IhEzf zrqY5400W1tH2TlgBkREi+efjjz9hYYS7fnXzuWeXXTY6/2h/vQexaYZZbcqllXXNiK0 d+csK2n1hbl62BqaNQ1oXfjvEfmfiY+ax14cbDEUqz8z4mNnfx4n7ScqwD/ieQUtWHpk dgKw== X-Forwarded-Encrypted: i=1; AJvYcCXDuP0J5dJQ4FuWEVvyMv8QxttVPEOIumAWRXpRIZ3fOE35iI0MT/kYnJ6IgNggpGIaUq8bS0cvddYtc64=@vger.kernel.org X-Gm-Message-State: AOJu0YxXfSXSNbgXKzzlc/VQjEF6rhUBzPKsieWXneHYomnNxoAcBods YzHg/W2t9ro01WRlQM4dj9jfRoD05AlbQvPGpOJx9/2iAPBvX9Odm6TM X-Gm-Gg: ASbGncvB7bILPkmrU+fk/ndopDjdopvTxDAw25XziKkxKgKgYFySZO260GYpAMZe1s5 DHB2MegIZY9nbBpzXJA09sBi36dKN5Xc92/3oQChSGpaD3PKDt5vFMd6DntHf2h7SKTvipKQ5X9 SR0GBqrrb0Bcc6LXX4F4xGA1lM11dyAaWEgSV8rTO2k5QP5BuqHiBW6MiB+c1nicorrHkd9NJyN TAcCOjCrmSETObVV264GaeKD41XQQw7cXNn/+m0SkPMmGyvbvfAEh6+r46CzqkLwVxoCouOjqCc BKqCwDTn6OPdd0Dk3Xxgwbbz1PN18omiKmjXdifjOjH61OT0zJrWCvRvvDbF2RRcULNrW+lKSxr UKOsISkQMMP7t7baH3H8/l+Ru8cCaSpJNyp/ivArId7IC4jmc X-Google-Smtp-Source: AGHT+IFYag3HNohwuOOUkgMrRymk2W/3k72l93HvciN+it3ayDICZ/f/o7hlITPi8oCOkannkiormQ== X-Received: by 2002:a17:903:246:b0:24c:9309:5883 with SMTP id d9443c01a7336-290273ecb35mr316032095ad.28.1760441235366; Tue, 14 Oct 2025 04:27:15 -0700 (PDT) Received: from 7950hx ([43.129.244.20]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29034e2062fsm161807285ad.48.2025.10.14.04.27.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Oct 2025 04:27:15 -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 4/4] bpf: use bpf_prog_run_pin_on_cpu_rcu() in bpf_prog_run_clear_cb Date: Tue, 14 Oct 2025 19:26:40 +0800 Message-ID: <20251014112640.261770-5-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" All the calling of bpf_prog_run_clear_cb() is protected with rcu_read_lock, so we can replace bpf_prog_run_pin_on_cpu() with bpf_prog_run_pin_on_cpu_rcu() for it. Signed-off-by: Menglong Dong --- include/linux/filter.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/filter.h b/include/linux/filter.h index 48eb42358543..5ec5b16538f4 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -995,7 +995,7 @@ static inline u32 bpf_prog_run_clear_cb(const struct bp= f_prog *prog, if (unlikely(prog->cb_access)) memset(cb_data, 0, BPF_SKB_CB_LEN); =20 - res =3D bpf_prog_run_pin_on_cpu(prog, skb); + res =3D bpf_prog_run_pin_on_cpu_rcu(prog, skb); return res; } =20 --=20 2.51.0