From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] INET : removes per bucket rwlock in tcp/dccp ehash table Date: Sun, 04 Nov 2007 20:35:08 -0800 (PST) Message-ID: <20071104.203508.11916143.davem@davemloft.net> References: <20071104.135621.48992864.davem@davemloft.net> <200711050001.03699.ak@suse.de> <20071104.202454.216339392.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: dada1@cosmosbay.com, netdev@vger.kernel.org, acme@redhat.com, jarkao2@o2.pl To: ak@suse.de Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:45317 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753159AbXKEEfI (ORCPT ); Sun, 4 Nov 2007 23:35:08 -0500 In-Reply-To: <20071104.202454.216339392.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: David Miller Date: Sun, 04 Nov 2007 20:24:54 -0800 (PST) > From: Andi Kleen > Date: Mon, 5 Nov 2007 00:01:03 +0100 > > > If it's for sparse cpu ids -- x86 handles those with an > > translation array. > > I would rather not do this, so much assembler code indexes straight > into the per-cpu arrays. Also, at current rates, I'll need to be able to support 4096 cpus for real not very long from now :-)