From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757250Ab0ELTaX (ORCPT ); Wed, 12 May 2010 15:30:23 -0400 Received: from e28smtp07.in.ibm.com ([122.248.162.7]:52400 "EHLO e28smtp07.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757119Ab0ELTaV (ORCPT ); Wed, 12 May 2010 15:30:21 -0400 Date: Thu, 13 May 2010 01:00:12 +0530 From: Balbir Singh To: Dhaval Giani Cc: menage@google.com, peterz@infradead.org, lennart@poettering.net, jsafrane@redhat.com, tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH/RFC] Have sane default values for cpusets Message-ID: <20100512193012.GO3296@balbir.in.ibm.com> Reply-To: balbir@linux.vnet.ibm.com References: <1273669541.3086.24.camel@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <1273669541.3086.24.camel@localhost> User-Agent: Mutt/1.5.20 (2009-08-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Dhaval Giani [2010-05-12 15:05:41]: > Hi folks, > > This does not break ABI since applications which were explicitly setting > up the cpusets will still be setting them up anyway. And if someone was > checking if a cpuset was setup or not by checking the state of > cpuset.cpus_allowed, then it was broken and should be fixed. > The only ABI breakage I would consider is A user space application reading those values and expecting them to be empty before taking any action -- Three Cheers, Balbir