From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964911AbWEBQDP (ORCPT ); Tue, 2 May 2006 12:03:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964910AbWEBQDP (ORCPT ); Tue, 2 May 2006 12:03:15 -0400 Received: from cantor2.suse.de ([195.135.220.15]:151 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S964906AbWEBQDN (ORCPT ); Tue, 2 May 2006 12:03:13 -0400 From: Andi Kleen To: Vojtech Pavlik Subject: Re: Van Jacobson's net channels and real-time Date: Tue, 2 May 2006 17:58:52 +0200 User-Agent: KMail/1.9.1 Cc: "linux-os (Dick Johnson)" , Auke Kok , Auke Kok , Ingo Oeser , =?iso-8859-1?q?J=F6rn_Engel?= , Ingo Oeser , "David S. Miller" , simlo@phys.au.dk, linux-kernel@vger.kernel.org, mingo@elte.hu, netdev@vger.kernel.org References: <20060502124131.GA13160@suse.cz> In-Reply-To: <20060502124131.GA13160@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200605021758.52889.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 02 May 2006 14:41, Vojtech Pavlik wrote: > You seem to be missing the fact that most of todays interrupts are > delivered through the APIC bus, which isn't fast at all. You mean slow right? Modern x86s (anything newer than a P3) generally don't have an separate APIC bus anymore but just send messages over their main processor connection. -Andi