From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752920AbZBIIOp (ORCPT ); Mon, 9 Feb 2009 03:14:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750736AbZBIIOg (ORCPT ); Mon, 9 Feb 2009 03:14:36 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:56054 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750741AbZBIIOf (ORCPT ); Mon, 9 Feb 2009 03:14:35 -0500 Date: Mon, 9 Feb 2009 09:14:21 +0100 From: Ingo Molnar To: Yinghai Lu Cc: Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] x86/irq: optimizing nr_irqs -v2 Message-ID: <20090209081421.GD24420@elte.hu> References: <498CCEDB.8050708@kernel.org> <498CCF28.3050207@kernel.org> <498EA964.2070902@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <498EA964.2070902@kernel.org> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Yinghai Lu wrote: > > Impact: more depend on cards to be used > > depend on nr_irq_gsi more, and have a ratio for MSI > > v2: make nr_irqs shoule less than NR_VECTORS * nr_cpu_ids > aka if only one cpu, we only can support nr_irqs = NR_VECTORS > > Signed-off-by: Yinghai Lu > > --- > arch/x86/kernel/io_apic.c | 16 +++++++++++----- > 1 file changed, 11 insertions(+), 5 deletions(-) Applied to tip/x86/apic, thanks Yinghai! Ingo