From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262486AbVF2TkB (ORCPT ); Wed, 29 Jun 2005 15:40:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262549AbVF2Tja (ORCPT ); Wed, 29 Jun 2005 15:39:30 -0400 Received: from mx2.elte.hu ([157.181.151.9]:22252 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S262536AbVF2Tik (ORCPT ); Wed, 29 Jun 2005 15:38:40 -0400 Date: Wed, 29 Jun 2005 21:38:04 +0200 From: Ingo Molnar To: Karsten Wiese Cc: William Weston , linux-kernel@vger.kernel.org Subject: Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.50-24 Message-ID: <20050629193804.GA6256@elte.hu> References: <200506281927.43959.annabellesgarden@yahoo.de> <20050629070058.GA15987@elte.hu> <200506291648.16601.annabellesgarden@yahoo.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200506291648.16601.annabellesgarden@yahoo.de> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Karsten Wiese wrote: > attached patch for io_apic.c lets > 1. gcc 3.4.3 optimize io_apic access a little better. > 2. CONFIG_X86_UP_IOAPIC_FAST work here. > Didn't check, if it really speeds up things. which change made CONFIG_X86_UP_IOAPIC_FAST work on your box? It seems you've changed the per-register frontside read-cache to something else - was that on purpose? Ingo