From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] net: ovs: use CRC32 accelerated flow hash if available Date: Tue, 10 Dec 2013 17:38:32 -0500 (EST) Message-ID: <20131210.173832.401837941212576450.davem@davemloft.net> References: <20131210.143652.1279430126319061689.davem@davemloft.net> <52A77DF4.5070302@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jesse@nicira.com, ffusco@redhat.com, netdev@vger.kernel.org, dev@openvswitch.org, dborkman@redhat.com To: tgraf@redhat.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:52754 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750922Ab3LJWif (ORCPT ); Tue, 10 Dec 2013 17:38:35 -0500 In-Reply-To: <52A77DF4.5070302@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Thomas Graf Date: Tue, 10 Dec 2013 21:47:48 +0100 > We were not sure whether the runtime check, function pointer and > hardware dependencies are something other subsystems that are less > x86_64 centric would want to live with. The things you are listing as implicit overhead can be eliminated almost entirely using static branches.