From mboxrd@z Thu Jan 1 00:00:00 1970 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 B6FC4C83F08 for ; Sat, 26 Aug 2023 00:05:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230294AbjHZAEY (ORCPT ); Fri, 25 Aug 2023 20:04:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230439AbjHZAEY (ORCPT ); Fri, 25 Aug 2023 20:04:24 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A979E7F for ; Fri, 25 Aug 2023 17:04:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 104FA6519A for ; Sat, 26 Aug 2023 00:04:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2F681C433C8; Sat, 26 Aug 2023 00:04:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1693008260; bh=JsUqsUf1lSFTm6kJ/JZhqDbL4MYU9OIcC9jl/ZbihtE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=MHmcl4dKOL1CsoSEZk4fwdcFlKo6DAaJYgB7LLNiAS7nD6BcsNPgwrksAhwcE4OYa CB1JmJyQ2QLOvKeyWD8c8Os6SRJ6wMuF/bxr7h9p/2kYTDUSGePnripRUQECWZC6xx Tloh5Hab4YNCjb+OTk3/ARFmgx4omnj8UQ5Ukalm8zecSVu9NcId4tJCKOxuQuKkWt 19WmAi6/lL3lJmIhnJZdo48EcKLhUrvZAnphKHSsT+YzF8f2Sm0pjaWQIo7dddcuhO VbkvZZ2ybVETpxJfyev7lW2Ri4rdyaUrT21v3l6lrsbyfMOlj1B+H3UDf44xO2YWMR J0kzguc4GUclA== Date: Fri, 25 Aug 2023 17:04:19 -0700 From: Jakub Kicinski To: David Wei Cc: Jens Axboe , Pavel Begunkov , io-uring@vger.kernel.org, Mina Almasry Subject: Re: [RFC PATCH 00/11] Zero copy network RX using io_uring Message-ID: <20230825170419.2aa593df@kernel.org> In-Reply-To: <20230825225550.957014-1-dw@davidwei.uk> References: <20230825225550.957014-1-dw@davidwei.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Fri, 25 Aug 2023 15:55:39 -0700 David Wei wrote: > From: David Wei > > This patchset is a proposal that adds zero copy network RX to io_uring. > With it, userspace can register a region of host memory for receiving > data directly from a NIC using DMA, without needing a kernel to user > copy. Please repost this and CC netdev@.