From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9C5E415A4; Tue, 7 Nov 2023 01:09:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="U4YbRkhj" 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 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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).