Received: by 2002:a25:7ec1:0:0:0:0:0 with SMTP id z184csp5237971ybc; Wed, 27 Nov 2019 00:32:51 -0800 (PST) X-Google-Smtp-Source: APXvYqxO4IS4ndSo3sMUnxM+mxPYQV0WTkLyfk8xs+NUeIhrxIZY8jY/hsDqZOA1tYCEgazHnmf1 X-Received: by 2002:a17:906:3ec2:: with SMTP id d2mr48966827ejj.251.1574843571511; Wed, 27 Nov 2019 00:32:51 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1574843571; cv=none; d=google.com; s=arc-20160816; b=RUoShdPk7lanSgApnz19HvRN5pTFespkYHv6L6mc82xxFUSXjjZz9Sb4EG3mzT3m6d khYVMkqabGTb/jjky0Q1s3W9IOXQmZQtmiVsadpxbKp1N5O4umbQ9eNz0M/OZTp3tD2r Nr1qsMsY1XpfGjRkDvVfUsV93hdOvQuwrY7DvLW24KjClvRdkUcspbBkWpgc7E86sV/+ 946g0SQFbYLRPrgZr+Dg8UZYRxGdnNy1GDlflQuQ3O3VDH5+HWyJLSPV6IyO1mLfpCKh I1kJu88fMnGPYcq/dz/oVzEYFMOcMwrFy+Wj9m+s5OKbDU0nQBIlCKCIaeKALQbqw2yw Icgg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:date:cc:to:from:subject :message-id; bh=PSap3mPnGkotrKTWQRBg9b4uTseAMVMYbVjjE2gmDI8=; b=1ClSPdMs4tL+3MEP/RmIqRvOqI/YYJ+ZsLsZ+N9/3DSrvWJA99FZw+QMzoOABP0btY mwysGMqkcwk8dkDuBmkSg1ARpzMvVXquO8K3Z43lbKXniBteUlgcc9kPXvUsmOwkTrr+ G1ReyTOzNQvutPzsBH+5mB6YsSNNbStIpI/34IzgyQEt4cqscjaNUZieXqnTUcIIs6GB GQahJ+r9gIdxOqlOx+5tkSBRT39PpykqiLchdt3r8w/RjTT3fMHzH8llkgoVZMtJxaMn /dfbBD8T2A9yOQGfe2LIlkX29d7UhbWHhMLm8n6hj5ngGTHmx1oZbE/keqkB/aX4mZ3J ZqJw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x60si9665329ede.172.2019.11.27.00.32.27; Wed, 27 Nov 2019 00:32:51 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726545AbfK0IbU (ORCPT + 99 others); Wed, 27 Nov 2019 03:31:20 -0500 Received: from s3.sipsolutions.net ([144.76.43.62]:40602 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726125AbfK0IbU (ORCPT ); Wed, 27 Nov 2019 03:31:20 -0500 Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.92.3) (envelope-from ) id 1iZsis-00DxP3-29; Wed, 27 Nov 2019 09:30:54 +0100 Message-ID: <6da209ffe31744d79c1394e1f3d038db19beca51.camel@sipsolutions.net> Subject: Re: [PATCH v2 net-next] net: core: use listified Rx for GRO_NORMAL in napi_gro_receive() From: Johannes Berg To: Alexander Lobakin , David Miller Cc: pabeni@redhat.com, ecree@solarflare.com, nicholas.johnson-opensource@outlook.com.au, jiri@mellanox.com, edumazet@google.com, idosch@mellanox.com, petrm@mellanox.com, sd@queasysnail.net, f.fainelli@gmail.com, jaswinder.singh@linaro.org, ilias.apalodimas@linaro.org, linux-kernel@vger.kernel.org, emmanuel.grumbach@intel.com, luciano.coelho@intel.com, linuxwifi@intel.com, kvalo@codeaurora.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org Date: Wed, 27 Nov 2019 09:30:51 +0100 In-Reply-To: <4cb1abfb7cbd137151f024405f7b0678@dlink.ru> References: <414288fcac2ba4fcee48a63bdbf28f7b9a5037c6.camel@sipsolutions.net> <20191126.155746.627765091618337419.davem@davemloft.net> <4cb1abfb7cbd137151f024405f7b0678@dlink.ru> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2019-11-27 at 10:47 +0300, Alexander Lobakin wrote: > > Can I get some kind of fix in the next 24 hours? I want to send a > > quick > > follow-on pull request to Linus to deal with all of the fallout, and in > > particular fix this regression. > > If Intel guys and others will agree, I'll send a patch which will add > manual napi->rx_list flushing in iwlwifi driver in about ~2-3 hours. Sounds fine to me. > Anyway, this driver should get a proper NAPI in future releases to > prevent problems like this one. Yeah, we'll work on that, but that might take a bit longer :) johannes