Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp3298248ybt; Mon, 29 Jun 2020 22:10:48 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxUNFla2/LDBCOIPK/DalIQQFfLMLY67pYzSMGUEvUDosTurIXtUYXCgzGTkKji57L0CNKE X-Received: by 2002:a17:906:7115:: with SMTP id x21mr16549094ejj.86.1593493848752; Mon, 29 Jun 2020 22:10:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593493848; cv=none; d=google.com; s=arc-20160816; b=d9QXEtuk/EK6YceTm+1TWcTS6sP10Jd2uvJ6KReH9Uv5cuP+K8zMdK7Hwe/GFWDA5K +r0bhKy4gOJfLgC0E2Nbbi1/fireKIi32VBGSzaqbK1d2nogMm5RCW1uOsKzqdmyh3Ws DwRxpfcGLHPK8vczh97uPP95RJefGzsnSleufhb1kz1tsCZDW5jQIgphHPH4y6vAwCSZ jIbi0LVs48TU+U5q+A6lJ8VYRPZ7NzIXI5ZQLiBI/vAWOZ8fiKVfZUiZPcSw5TwXH1m2 Q76Al5BG43GqUItDPWWAHpowzdzSOCsPKaqn/Op845csrnp7MWXVVJ/ea4bD16xDHrP+ 3nAA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-transfer-encoding:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=WtYiwTwuTJ6fq+lYg2ejBfq24ppHD0n840o6lKPtwRc=; b=MhT/kPcuHhdkEsTIud+siU+D3dEXGMtW1jN7Qtc6v7DFCJuC41K6NX2F2Cbku89R91 pT+PjD0RQMdf2h/9ilSVvV/tdGGQuljly3WPhcfe1+JFvTl2r9GNAwyB/RVFXbdKPZv/ IpPvpu9e3s3COojr89V3hnCfVZ3Lw6kkkhqjwmZImTMr6yxfWh7Hk3qOTcOdkAHsmJdr waSU3ySQwMLNI2Z1L5lURiDR4TNPhGQ/YKoUG9hlzUjORyxFe898U5dlbZdl7EeuVDwf QxMxaSzUxSuCw0YcZCTcT5Otm4MHUEO1IDgGjYqKdUZml11W+uv1p9183qL/VXHf0Wdr alsA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v26si962127edq.507.2020.06.29.22.10.26; Mon, 29 Jun 2020 22:10:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726609AbgF3FHR (ORCPT + 99 others); Tue, 30 Jun 2020 01:07:17 -0400 Received: from verein.lst.de ([213.95.11.211]:34411 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726019AbgF3FHR (ORCPT ); Tue, 30 Jun 2020 01:07:17 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 04C636736F; Tue, 30 Jun 2020 07:07:13 +0200 (CEST) Date: Tue, 30 Jun 2020 07:07:12 +0200 From: Christoph Hellwig To: Daniel Borkmann Cc: =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Christoph Hellwig , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , 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 Subject: Re: [PATCH net] xsk: remove cheap_dma optimization Message-ID: <20200630050712.GA26840@lst.de> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <903c646c-dc74-a15c-eb33-e1b67bc7da0d@iogearbox.net> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 29, 2020 at 05:18:38PM +0200, Daniel Borkmann wrote: > On 6/29/20 5:10 PM, Bj?rn T?pel 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.