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=-7.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 E730FC43461 for ; Fri, 4 Sep 2020 14:01:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C75F120684 for ; Fri, 4 Sep 2020 14:01:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730693AbgIDOBe (ORCPT ); Fri, 4 Sep 2020 10:01:34 -0400 Received: from mga14.intel.com ([192.55.52.115]:24095 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730570AbgIDOA1 (ORCPT ); Fri, 4 Sep 2020 10:00:27 -0400 IronPort-SDR: 65VZGG23/E5V9kb830Tieb47qOVf6h81xhPI86ce1hYsykPuutVLA1Sj/0NWv/+V1QlMWXPUYW k/wMzqpCzjzA== X-IronPort-AV: E=McAfee;i="6000,8403,9733"; a="157006154" X-IronPort-AV: E=Sophos;i="5.76,389,1592895600"; d="scan'208";a="157006154" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2020 06:59:48 -0700 IronPort-SDR: j93R8aZlSJKjGofhcd7+Qe56JKeSs7yvFb/NB1UsFzWZbhr5n8bouR1ytzk9K1Y3p2HjqwK59S HoiGUNFCbCDg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,389,1592895600"; d="scan'208";a="332171253" Received: from andreyfe-mobl2.ccr.corp.intel.com (HELO btopel-mobl.ger.intel.com) ([10.252.37.82]) by orsmga008.jf.intel.com with ESMTP; 04 Sep 2020 06:59:43 -0700 Subject: Re: [PATCH bpf-next 0/6] xsk: exit NAPI loop when AF_XDP Rx ring is full To: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, bpf@vger.kernel.org, Maxim Mikityanskiy Cc: magnus.karlsson@intel.com, davem@davemloft.net, kuba@kernel.org, hawk@kernel.org, john.fastabend@gmail.com, intel-wired-lan@lists.osuosl.org References: <20200904135332.60259-1-bjorn.topel@gmail.com> From: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= Message-ID: <0257f769-0f43-a5b7-176d-7c5ff8eaac3a@intel.com> Date: Fri, 4 Sep 2020 15:59:42 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200904135332.60259-1-bjorn.topel@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On 2020-09-04 15:53, Björn Töpel wrote: > This series addresses a problem that arises when AF_XDP zero-copy is > enabled, and the kernel softirq Rx processing and userland process > is running on the same core. > [...] > @Maxim I'm not well versed in Mellanox drivers. Would this be relevant to mlx5 as well? Cheers, Björn From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?= Date: Fri, 4 Sep 2020 15:59:42 +0200 Subject: [Intel-wired-lan] [PATCH bpf-next 0/6] xsk: exit NAPI loop when AF_XDP Rx ring is full In-Reply-To: <20200904135332.60259-1-bjorn.topel@gmail.com> References: <20200904135332.60259-1-bjorn.topel@gmail.com> Message-ID: <0257f769-0f43-a5b7-176d-7c5ff8eaac3a@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On 2020-09-04 15:53, Bj?rn T?pel wrote: > This series addresses a problem that arises when AF_XDP zero-copy is > enabled, and the kernel softirq Rx processing and userland process > is running on the same core. > [...] > @Maxim I'm not well versed in Mellanox drivers. Would this be relevant to mlx5 as well? Cheers, Bj?rn