From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756629AbYFBCfs (ORCPT ); Sun, 1 Jun 2008 22:35:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753519AbYFBCfk (ORCPT ); Sun, 1 Jun 2008 22:35:40 -0400 Received: from relay1.sgi.com ([192.48.171.29]:55964 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753438AbYFBCfj (ORCPT ); Sun, 1 Jun 2008 22:35:39 -0400 Date: Sun, 1 Jun 2008 21:35:33 -0500 From: Paul Jackson To: Max Krasnyansky Cc: mingo@elte.hu, a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org, menage@google.com, rostedt@goodmis.org Subject: Re: [PATCH] sched: Give cpusets exclusive control over sched domains (ie remove cpu_isolated_map) Message-Id: <20080601213533.ab1c049f.pj@sgi.com> In-Reply-To: <4841A311.2050008@qualcomm.com> References: <1212085023-22284-1-git-send-email-maxk@qualcomm.com> <1212085023-22284-2-git-send-email-maxk@qualcomm.com> <1212085023-22284-3-git-send-email-maxk@qualcomm.com> <20080529173759.ccbaf8ef.pj@sgi.com> <483F3559.1030806@qualcomm.com> <20080529191211.080ec5cf.pj@sgi.com> <483F8178.7040300@qualcomm.com> <20080530015200.f299afed.pj@sgi.com> <4841A311.2050008@qualcomm.com> Organization: SGI X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.12.0; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Max K wrote: > Would you be ok with a patch that exposes (via sysctl > for example) scheduler balancer mask when cpusets are disabled ? I wasn't looking for a variant implementation. Unless this variant serves some critical purpose that isolcpus can't provide, I would be against it. I'm trying to minimize API changes to kernel users. I am trying to discuss the reasons for or against removing isolcpus. I just started a separate lkml thread, with a wider audience, to address this question: Inquiry: Should we remove "isolcpus= kernel boot option? (may have realtime uses) -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.940.382.4214