Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S968443AbWLEQcc (ORCPT ); Tue, 5 Dec 2006 11:32:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S968444AbWLEQcc (ORCPT ); Tue, 5 Dec 2006 11:32:32 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:60580 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S968443AbWLEQca (ORCPT ); Tue, 5 Dec 2006 11:32:30 -0500 Subject: Re: irq/0/smp_affinity =3 doesn't seem to work From: Arjan van de Ven To: "Raz Ben-Jehuda(caro)" Cc: Linux Kernel In-Reply-To: <5d96567b0612050830s1b0c0708s3f796d85227f1285@mail.gmail.com> References: <5d96567b0612050830s1b0c0708s3f796d85227f1285@mail.gmail.com> Content-Type: text/plain Organization: Intel International BV Date: Tue, 05 Dec 2006 17:32:26 +0100 Message-Id: <1165336346.3233.382.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.8.1.1 (2.8.1.1-3.fc6) 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 X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 859 Lines: 23 On Tue, 2006-12-05 at 18:30 +0200, Raz Ben-Jehuda(caro) wrote: > hello. > > I have a dual cpu AMD machine, I noticed that > only one timer0 is working in /proc/interrutps. > setting proc/irq/0/smp_affinity to 3 does make > any difference. if you set it to 3 then the chipset gets to decide where the irq goes. Many decide to send it to the first cpu. (not that it matters, the timer is so low frequency that it can go anywhere without problems) -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/