From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Subject: Re: [PATCH net] r8169: fix NAPI handling under high load Date: Tue, 16 Oct 2018 20:10:27 -0700 Message-ID: <8017570f-4bae-3351-8ee9-7bfc0cdb270a@gmail.com> References: <8f84fe39-3d8d-396d-3b97-027e0a83f8cb@gmail.com> <20181016160355.1cc0a2e9@xeon-e3> <92db72c9-1f8c-d6a5-bcf4-241fa4c5a310@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: Heiner Kallweit , David Miller , Realtek linux nic maintainers , "netdev@vger.kernel.org" To: Eric Dumazet , Stephen Hemminger , =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= Return-path: Received: from mail-pg1-f196.google.com ([209.85.215.196]:35191 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727097AbeJQLEN (ORCPT ); Wed, 17 Oct 2018 07:04:13 -0400 Received: by mail-pg1-f196.google.com with SMTP id 32-v6so624111pgu.2 for ; Tue, 16 Oct 2018 20:10:43 -0700 (PDT) In-Reply-To: Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: On 10/16/2018 5:23 PM, Eric Dumazet wrote: > > > On 10/16/2018 04:08 PM, Florian Fainelli wrote: > >> I had started doing that about a month ago in light of the ixbge >> ndo_poll_controller vs. napi problem, but have not had time to submit >> that series yet: >> >> https://github.com/ffainelli/linux/commits/napi-check >> >> feel free to piggy back on top of that series if you would like to >> address this. > > > But the root cause was different, you remember ? > > We fixed the real issue with netpoll ability to stick all NIC IRQ onto one > victim CPU. I do remember, after seeing the resolution I kind of decided to leave this in a branch but not submit it because it was not particularly relevant anymore. -- Florian