From nobody Sun Dec 28 02:43:35 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68351C4332F for ; Thu, 14 Dec 2023 02:05:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442986AbjLNCFe (ORCPT ); Wed, 13 Dec 2023 21:05:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234195AbjLNCFb (ORCPT ); Wed, 13 Dec 2023 21:05:31 -0500 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2616FE4 for ; Wed, 13 Dec 2023 18:05:38 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-dbcca990ee9so1811155276.0 for ; Wed, 13 Dec 2023 18:05:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1702519537; x=1703124337; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=+ronbOySVVJCeCFXE+E452YTaKGaTM58JCsYafTPHk4=; b=O2j4yHTFdH4Gpg94umNd+/vXPVzeJMcj0A46SsXoBpcqoVIHwpjY6eXU/AdPlb1yUd 6779vyYmeDcnhCnDOOagQRJ2hdBCLXYU0Z0uCDcIqyibpqDwupCLm3GY4wkWV6U/yCmx kx8lCopO+tYLcm7ub7xqp1ePTyowyQ/kbUWT9D3DjcnwvF8YGCYCS2S9rIvqDOy8f5BC oQiuHbbOA1wEQDdN8cYGYdiZVATuGAiUa/5n8Dwd0CgYCUuirhxfd88m6Lx5ULI+hRbN GGnLMu5OvnMFoucjTH8IOENKXYUr2RhiyO4IWUvRvn8aIbvk7/0o4MsO3GN4KFLtxxHQ AbxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702519537; x=1703124337; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=+ronbOySVVJCeCFXE+E452YTaKGaTM58JCsYafTPHk4=; b=nr371bosPMmHkhbZpZneM77za902f6Psv9zAATHF6ZFNLmUUsopqoDxXM+S+NDZv0z EH9bxZRC5M0OMH2LFcEbro4MAo4SUydOH0w5CD/NTjVSwXEbJHu3AbKHSvQ87WdLoFuk AFHz28ST5fUp9pnZQ8zesa6Yk191X91LErNDcKaP7/m9EX6nGky89QKlwTlI4tbg3xgU rw8LiElIbdFyAZ7BghOYjk+hSEhHzp73FxPhA+UnGNmcn9CvgfHWk4NJDzwEfLwEcXA2 eeaq/Hb+LBQraB6FE8j8snvj+MQYa+4qZziBR7KLNLKOCGVeXo2o2ye17sDVl4ZtGIiW X/hg== X-Gm-Message-State: AOJu0Yxie/yrXO+ThdZwnnICu4wwVg5IaEJUfkqUyRkeZQ/U70C5Lh1m aN9NrVBlWp0IcQXPxk8EL5lAQ4VYEympndUMCq23ZAJnUFX9HtfDMghd+mkX6Zj7fZ7G2QTymxt 7Fd3yAtGNVc435A8deGH6Y4kM0nck6VqSs3JRMpcKjMDuu6n1iP+j2FOqgU2Tz4jPdUiTIt6ho4 K/Lk3styk= X-Google-Smtp-Source: AGHT+IGncV41fwbhz/mCy6hSR3EOohDoL5eRhnTHrk4bhzSdLjyeCnLJseqiKf/w0iEIyiWoDGOSz2aVqCYno2zrog== X-Received: from almasrymina.svl.corp.google.com ([2620:15c:2c4:200:d31b:c1a:fb6a:2488]) (user=almasrymina job=sendgmr) by 2002:a05:6902:545:b0:dbc:e64a:ccd6 with SMTP id z5-20020a056902054500b00dbce64accd6mr1821ybs.9.1702519536540; Wed, 13 Dec 2023 18:05:36 -0800 (PST) Date: Wed, 13 Dec 2023 18:05:24 -0800 In-Reply-To: <20231214020530.2267499-1-almasrymina@google.com> Mime-Version: 1.0 References: <20231214020530.2267499-1-almasrymina@google.com> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog Message-ID: <20231214020530.2267499-2-almasrymina@google.com> Subject: [RFC PATCH net-next v1 1/4] vsock/virtio: use skb_frag_page() helper From: Mina Almasry To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org Cc: Mina Almasry , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Greg Kroah-Hartman , "Rafael J. Wysocki" , Sumit Semwal , "=?UTF-8?q?Christian=20K=C3=B6nig?=" , Michael Chan , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Wei Fang , Shenwei Wang , Clark Wang , NXP Linux Team , Jeroen de Borst , Praveen Kaligineedi , Shailend Chand , Yisen Zhuang , Salil Mehta , Jesse Brandeburg , Tony Nguyen , Thomas Petazzoni , Marcin Wojtas , Russell King , Sunil Goutham , Geetha sowjanya , Subbaraya Sundeep , hariprasad , Felix Fietkau , John Crispin , Sean Wang , Mark Lee , Lorenzo Bianconi , Matthias Brugger , AngeloGioacchino Del Regno , Saeed Mahameed , Leon Romanovsky , Horatiu Vultur , UNGLinuxDriver@microchip.com, "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Jassi Brar , Ilias Apalodimas , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Siddharth Vadapalli , Ravi Gunasekaran , Roger Quadros , Jiawen Wu , Mengyuan Lou , Ronak Doshi , VMware PV-Drivers Reviewers , Ryder Lee , Shayne Chen , Kalle Valo , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Stefan Hajnoczi , Stefano Garzarella , Shuah Khan , "=?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?=" , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Jason Gunthorpe , Shakeel Butt , Yunsheng Lin , Willem de Bruijn Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Minor fix for virtio: code wanting to access the page inside the skb should use skb_frag_page() helper, instead of accessing bv_page directly. This allows for extensions where the underlying memory is not a page. Signed-off-by: Mina Almasry Acked-by: Stefano Garzarella --- net/vmw_vsock/virtio_transport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transp= ort.c index af5bab1acee1..bd0b413dfa3f 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -153,7 +153,7 @@ virtio_transport_send_pkt_work(struct work_struct *work) * 'virt_to_phys()' later to fill the buffer descriptor. * We don't touch memory at "virtual" address of this page. */ - va =3D page_to_virt(skb_frag->bv_page); + va =3D page_to_virt(skb_frag_page(skb_frag)); sg_init_one(sgs[out_sg], va + skb_frag->bv_offset, skb_frag->bv_len); --=20 2.43.0.472.g3155946c3a-goog