Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262114AbTENBxP (ORCPT ); Tue, 13 May 2003 21:53:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262182AbTENBxP (ORCPT ); Tue, 13 May 2003 21:53:15 -0400 Received: from fmr04.intel.com ([143.183.121.6]:16124 "EHLO caduceus.sc.intel.com") by vger.kernel.org with ESMTP id S262114AbTENBxM convert rfc822-to-8bit (ORCPT ); Tue, 13 May 2003 21:53:12 -0400 Message-ID: From: "Perez-Gonzalez, Inaky" To: "'Shaheed R. Haque'" , "'Andrew Morton'" Cc: "'linux-kernel@vger.kernel.org'" Subject: RE: 2.6 must-fix list, v2 Date: Tue, 13 May 2003 19:05:41 -0700 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1118 Lines: 29 > From: Shaheed R. Haque [mailto:srhaque@iee.org] > > Quoting Andrew Morton : > > > "Shaheed R. Haque" wrote: > > > > > > - Add ability to restrict the the default CPU affinity mask so that > > > sys_setaffinity() can be used to implement exclusive access to a CPU. > > > > Why is this useful? > > Because it allows one to dedicate a CPU to a process. For example, lets say you > have a quad processor,and want to run joe-random stuff on CPU 0, but a > specialised program on CPUs 1, 2, 3 that does not want to compete with > joe-random stuff. Real time applications can also benefit from this; if I can get all the random stuff out of the way so that I know the important, timing-sensitive thingie in CPU1 will always get it, bonus points! ... I?aky P?rez-Gonz?lez -- Not speaking for Intel -- all opinions are my own (and my fault) - 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/