From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 4/7] via-velocity: Implement NAPI support Date: Fri, 20 Nov 2009 09:35:43 -0800 (PST) Message-ID: <20091120.093543.12488098.davem@davemloft.net> References: <20091120160633.77b7aee0@marrow.netinsight.se> <20091120161223.10d01fd9@marrow.netinsight.se> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, davej@redhat.com, shemminger@vyatta.com, romieu@fr.zoreil.com To: simon.kagstrom@netinsight.net Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:58673 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753484AbZKTRfZ (ORCPT ); Fri, 20 Nov 2009 12:35:25 -0500 In-Reply-To: <20091120161223.10d01fd9@marrow.netinsight.se> Sender: netdev-owner@vger.kernel.org List-ID: From: Simon Kagstrom Date: Fri, 20 Nov 2009 16:12:23 +0100 > This patch adds NAPI support for VIA velocity. The new velocity_poll > function also pairs tx/rx handling twice which improves perforamance on > some workloads (e.g., netperf UDP_STREAM) significantly (that part is > from the VIA driver). > > Signed-off-by: Simon Kagstrom With NAPI support present, your patch #3 should almost be not necessary at all. And if it is, make sure that you only use very low HW interrupt mitigation settings.