From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761296AbYEUEpv (ORCPT ); Wed, 21 May 2008 00:45:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750983AbYEUEpn (ORCPT ); Wed, 21 May 2008 00:45:43 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:37225 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750715AbYEUEpm (ORCPT ); Wed, 21 May 2008 00:45:42 -0400 Date: Tue, 20 May 2008 21:45:23 -0700 From: Arjan van de Ven To: Max Krasnyanskiy Cc: Paul Jackson , Peter Zijlstra , menage@google.com, mingo@elte.hu, linux-kernel@vger.kernel.org Subject: Re: IRQ affinities Message-ID: <20080520214523.60323aae@infradead.org> In-Reply-To: <48337792.20606@qualcomm.com> References: <47D73086.2030008@qualcomm.com> <6599ad830803111827n1cb8e2c7i47c2ef3f3bb58995@mail.gmail.com> <47D7411E.1000009@qualcomm.com> <6599ad830803111936jd940deam8584bc971c3b6f41@mail.gmail.com> <47D74595.4080100@qualcomm.com> <6599ad830803112009y18d9e43ft8e3fc4a551d891da@mail.gmail.com> <20080311235939.1ebee8e3.pj@sgi.com> <47D81FE1.6030205@qualcomm.com> <20080312135746.89456f2a.pj@sgi.com> <47D82AD2.1070108@qualcomm.com> <20080312143253.3dd72c7f.pj@sgi.com> <47D83858.4030806@qualcomm.com> <20080312153712.bc5df7a1.pj@sgi.com> <47D8593A.6040503@qualcomm.com> <20080312183059.6716d630.pj@sgi.com> <47D87BE5.4010702@qualcomm.com> <20080313020300.92244956.pj@sgi.com> <47FE5655.10900@qualcomm.com> <20080414133902.7878cfce.pj@sgi.com> <1210329926.13978.224.camel@twins> <20080509061727.5057de1f.pj@sgi.com> <48337792.20606@qualcomm.com> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 20 May 2008 18:14:58 -0700 Max Krasnyanskiy > For the IRQs specifically all I need is to be able to tell the kernel > to not route IRQs to certain CPUs. That's mostly works already via > /proc/irq/N/smp_affinity, the problem is dynamically allocated irqs > because /proc/irq/N directory does not exist until those IRQs are > allocated/enabled. \\ why don't you tell irqbalance instead? it'll make sure the irq stays out of the wind...