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[2620:137:e000::3:8]) by mx.google.com with ESMTPS id h17-20020a17090acf1100b002805aa7b138si9581972pju.59.2023.11.06.17.09.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Nov 2023 17:09:31 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) client-ip=2620:137:e000::3:8; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=U4YbRkhj; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by fry.vger.email (Postfix) with ESMTP id 911B08024593; Mon, 6 Nov 2023 17:09:28 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at fry.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233442AbjKGBJK (ORCPT + 99 others); Mon, 6 Nov 2023 20:09:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55380 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230208AbjKGBJJ (ORCPT ); Mon, 6 Nov 2023 20:09:09 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6DFD5103; Mon, 6 Nov 2023 17:09:07 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 147D2C433C8; Tue, 7 Nov 2023 01:09:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699319347; bh=71l20GkBOFUWOSbSR+FiTHlfmSsCI73pQkIYJSjwA1o=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=U4YbRkhjKovNT9nbOQUSJL0HgDh16yoV1zgSGNMyDkFbe/4JG87BU2EEup/QMpgwc kbRXf6SG9j3O3TNdKSYqN5dxD5+C+9ZXdxrUXd3X6cIg47/LbwJBtzrWnHEhJqhsXU PjGxXa40525TjLBDK9dUhHpj3nFHe+7u2ldDn6wikhJZ3G8WoygqNBBAQGvQr7b4ik /P0990SE8EkzyRrGHxTSlJPvIh60Lduh5XfLBwWNeDIqYHIJa6h7F7kVNeX005uRAK u7K7FyCdA2UQVa7D98G+Tj2nKc9lZw8Pom2TlxYgWcaNE61PZV60iOgukpBP82xD2Q ENZ1ONDIE1q4g== Message-ID: Date: Mon, 6 Nov 2023 18:09:05 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v3 09/12] net: add support for skbs with unreadable frags Content-Language: en-US To: Mina Almasry , Willem de Bruijn Cc: Stanislav Fomichev , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jesper Dangaard Brouer , Ilias Apalodimas , Arnd Bergmann , Shuah Khan , Sumit Semwal , =?UTF-8?Q?Christian_K=C3=B6nig?= , Shakeel Butt , Jeroen de Borst , Praveen Kaligineedi , Willem de Bruijn , Kaiyuan Zhang References: <20231106024413.2801438-1-almasrymina@google.com> <20231106024413.2801438-10-almasrymina@google.com> <19129763-6f74-4b04-8a5f-441255b76d34@kernel.org> From: David Ahern In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Mon, 06 Nov 2023 17:09:28 -0800 (PST) On 11/6/23 5:20 PM, Mina Almasry wrote: > The user is free to modify or delete flow steering rules outside of the > lifetime of the socket. Technically it's possible for the user to > reconfigure flow steering while the socket is simultaneously receiving, > and the result will be packets switching from devmem to non-devmem. generically, from one page pool to another (ie., devmem piece of that statement is not relevant).