From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 10 Apr 2002 10:31:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 10 Apr 2002 10:31:22 -0400 Received: from mail3.aracnet.com ([216.99.193.38]:19424 "EHLO mail3.aracnet.com") by vger.kernel.org with ESMTP id ; Wed, 10 Apr 2002 10:31:21 -0400 Date: Wed, 10 Apr 2002 07:31:39 -0700 From: "Martin J. Bligh" Reply-To: "Martin J. Bligh" To: zxj@water.pku.edu.cn, linux-kernel@vger.kernel.org Subject: Re: how to balance interrupts between 2 CPUs? Message-ID: <2065456499.1018423898@[10.10.2.3]> In-Reply-To: X-Mailer: Mulberry/2.1.2 (Win32) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > The kernel's SMP option is enable, but the CPU1 is always idle. > How to balance the interrpupts between two CPUs? > If you are convenient, please give me some advice quickly. The P4 apics do not automatically balance interrupts between CPUs. You need to do it explicitly - there are several ways floating around to do this - try the APIC routing patch on this website: http://sourceforge.net/projects/lse and let us know if this works ... M.