From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Yingliang Subject: Re: [PATCH] net: less interrupt masking in NAPI Date: Thu, 4 Dec 2014 10:10:41 +0800 Message-ID: <547FC2A1.60105@huawei.com> References: <1414937973.31792.37.camel@edumazet-glaptop2.roam.corp.google.com> <20141103.122538.387451917276174830.davem@davemloft.net> <547EBC66.4040301@huawei.com> <1417592482.5303.132.camel@edumazet-glaptop2.roam.corp.google.com> <547ED728.2010703@huawei.com> <1417607546.5303.133.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: David Miller , , To: Eric Dumazet Return-path: Received: from szxga03-in.huawei.com ([119.145.14.66]:38579 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751093AbaLDCKx (ORCPT ); Wed, 3 Dec 2014 21:10:53 -0500 In-Reply-To: <1417607546.5303.133.camel@edumazet-glaptop2.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: On 2014/12/3 19:52, Eric Dumazet wrote: > On Wed, 2014-12-03 at 17:26 +0800, Yang Yingliang wrote: > >> Before this patch, when a large network flow arrives, some other processes >> response slowly or even don't response because the cpu is dealing with softirq. >> >> After this patch, under pressure, much more softirq is doing in ksoftirqd. The other >> processes be scheduled. >> >> My system has dual core. > > Which NIC driver are you using ? > The driver we developed ourself, it's not upstreamed.