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=-6.9 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 43562C433E2 for ; Tue, 8 Sep 2020 18:29:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 12ABA2192A for ; Tue, 8 Sep 2020 18:29:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731449AbgIHS2l (ORCPT ); Tue, 8 Sep 2020 14:28:41 -0400 Received: from mga18.intel.com ([134.134.136.126]:64232 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731418AbgIHS2T (ORCPT ); Tue, 8 Sep 2020 14:28:19 -0400 IronPort-SDR: /+K4GfWQ/belPr3gIptrPZWe7jp+qxN+2wNFnJXDEFaI1yU7lTBy+VqKaqlBvFfmMZDespM/P+ ogw4eRRKV4sw== X-IronPort-AV: E=McAfee;i="6000,8403,9738"; a="145915014" X-IronPort-AV: E=Sophos;i="5.76,406,1592895600"; d="scan'208";a="145915014" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2020 11:28:17 -0700 IronPort-SDR: rIk4qiBYBbFqOusR2NS4novT1JNqm7J1bFNOuDpX6Fzl17TOITXUt2bnEVUcysEaTBJaFqXxuw PnYgv8M8CM1A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,406,1592895600"; d="scan'208";a="284608686" Received: from pgierasi-mobl.ger.corp.intel.com (HELO btopel-mobl.ger.intel.com) ([10.252.39.2]) by fmsmga007.fm.intel.com with ESMTP; 08 Sep 2020 11:28:14 -0700 Subject: Re: [PATCH bpf-next 0/6] xsk: exit NAPI loop when AF_XDP Rx ring is full To: Jakub Kicinski Cc: Jesper Dangaard Brouer , =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , Eric Dumazet , ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, bpf@vger.kernel.org, magnus.karlsson@intel.com, davem@davemloft.net, john.fastabend@gmail.com, intel-wired-lan@lists.osuosl.org References: <20200904135332.60259-1-bjorn.topel@gmail.com> <20200904162751.632c4443@carbon> <27e05518-99c6-15e2-b801-cbc0310630ef@intel.com> <20200904165837.16d8ecfd@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <1d2e781e-b26d-4cf0-0178-25b8835dbe26@intel.com> <20200907114055.27c95483@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <8f698ac5-916f-9bb0-cce2-f00fba6ba407@intel.com> <20200908102438.28351aab@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> From: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= Message-ID: <12536115-3dae-1efa-5c0d-34fc951fca48@intel.com> Date: Tue, 8 Sep 2020 20:28:14 +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: <20200908102438.28351aab@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.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 2020-09-08 19:24, Jakub Kicinski wrote: >> I'll start playing around a bit, but again, I think this simple series >> should go in just to make AF_XDP single core usable*today*. > No objection from me. Thanks Jakub, but as you (probably) noticed in the other thread Maxim had some valid concerns. Let's drop this for now, and I'll get back after some experimentation/hacking. Again, thanks for the ideas! Very much appreciated! Björn From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?unknown-8bit?q?Bj=C3=B6rn_T=C3=B6pel?= Date: Tue, 8 Sep 2020 20:28:14 +0200 Subject: [Intel-wired-lan] [PATCH bpf-next 0/6] xsk: exit NAPI loop when AF_XDP Rx ring is full In-Reply-To: <20200908102438.28351aab@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> References: <20200904135332.60259-1-bjorn.topel@gmail.com> <20200904162751.632c4443@carbon> <27e05518-99c6-15e2-b801-cbc0310630ef@intel.com> <20200904165837.16d8ecfd@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <1d2e781e-b26d-4cf0-0178-25b8835dbe26@intel.com> <20200907114055.27c95483@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <8f698ac5-916f-9bb0-cce2-f00fba6ba407@intel.com> <20200908102438.28351aab@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> Message-ID: <12536115-3dae-1efa-5c0d-34fc951fca48@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 2020-09-08 19:24, Jakub Kicinski wrote: >> I'll start playing around a bit, but again, I think this simple series >> should go in just to make AF_XDP single core usable*today*. > No objection from me. Thanks Jakub, but as you (probably) noticed in the other thread Maxim had some valid concerns. Let's drop this for now, and I'll get back after some experimentation/hacking. Again, thanks for the ideas! Very much appreciated! Bj?rn