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 X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA4F4C433E1 for ; Tue, 30 Jun 2020 13:47:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A3D3320675 for ; Tue, 30 Jun 2020 13:47:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388292AbgF3Nri (ORCPT ); Tue, 30 Jun 2020 09:47:38 -0400 Received: from www62.your-server.de ([213.133.104.62]:36798 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726876AbgF3Nri (ORCPT ); Tue, 30 Jun 2020 09:47:38 -0400 Received: from sslproxy05.your-server.de ([78.46.172.2]) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1jqGbZ-00070l-Fh; Tue, 30 Jun 2020 15:47:21 +0200 Received: from [178.196.57.75] (helo=pc-9.home) by sslproxy05.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jqGbZ-0003zd-6p; Tue, 30 Jun 2020 15:47:21 +0200 Subject: Re: [PATCH net] xsk: remove cheap_dma optimization To: Christoph Hellwig Cc: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , netdev@vger.kernel.org, davem@davemloft.net, konrad.wilk@oracle.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, maximmi@mellanox.com, magnus.karlsson@intel.com, jonathan.lemon@gmail.com References: <20200626134358.90122-1-bjorn.topel@gmail.com> <20200627070406.GB11854@lst.de> <88d27e1b-dbda-301c-64ba-2391092e3236@intel.com> <81aec200-c1a0-6d57-e3b6-26dad30790b8@intel.com> <903c646c-dc74-a15c-eb33-e1b67bc7da0d@iogearbox.net> <20200630050712.GA26840@lst.de> From: Daniel Borkmann Message-ID: <7bd1f3ad-f1c7-6f8c-ef14-ec450050edf2@iogearbox.net> Date: Tue, 30 Jun 2020 15:47:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <20200630050712.GA26840@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.102.3/25858/Mon Jun 29 15:30:49 2020) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 6/30/20 7:07 AM, Christoph Hellwig wrote: > On Mon, Jun 29, 2020 at 05:18:38PM +0200, Daniel Borkmann wrote: >> On 6/29/20 5:10 PM, Björn Töpel wrote: >>> On 2020-06-29 15:52, Daniel Borkmann wrote: >>>> >>>> Ok, fair enough, please work with DMA folks to get this properly integrated and >>>> restored then. Applied, thanks! >>> >>> Daniel, you were too quick! Please revert this one; Christoph just submitted a 4-patch-series that addresses both the DMA API, and the perf regression! >> >> Nice, tossed from bpf tree then! (Looks like it didn't land on the bpf list yet, >> but seems other mails are currently stuck as well on vger. I presume it will be >> routed to Linus via Christoph?) > > I send the patches to the bpf list, did you get them now that vger > is unclogged? Thinking about it the best route might be through > bpf/net, so if that works for you please pick it up. Yeah, that's fine, I just applied your series to the bpf tree. Thanks!