From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752786AbcEJPvm (ORCPT ); Tue, 10 May 2016 11:51:42 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:40919 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751755AbcEJPvl (ORCPT ); Tue, 10 May 2016 11:51:41 -0400 Date: Tue, 10 May 2016 11:51:38 -0400 (EDT) Message-Id: <20160510.115138.1825421050410315543.davem@davemloft.net> To: eric.dumazet@gmail.com Cc: pabeni@redhat.com, netdev@vger.kernel.org, edumazet@google.com, jiri@mellanox.com, daniel@iogearbox.net, ast@plumgrid.com, aduyck@mirantis.com, tom@herbertland.com, peterz@infradead.org, mingo@kernel.org, riel@redhat.com, hannes@stressinduktion.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 0/2] net: threadable napi poll loop From: David Miller In-Reply-To: <1462890590.23934.68.camel@edumazet-glaptop3.roam.corp.google.com> References: <1462890590.23934.68.camel@edumazet-glaptop3.roam.corp.google.com> X-Mailer: Mew version 6.6 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 10 May 2016 08:51:40 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Eric Dumazet Date: Tue, 10 May 2016 07:29:50 -0700 > We already have ksoftirqd to normally cope with the case you are > describing. > > If it is not working as intended, please identify the bugs and fix them, > instead of adding yet another tests in fast path and extra complexity in > the stack. +1 Indeed, if ksoftirqd is not doing it's job, please fix it. It is designed exactly to deal with the problems described here.