Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758521Ab2BJPxr (ORCPT ); Fri, 10 Feb 2012 10:53:47 -0500 Received: from merlin.infradead.org ([205.233.59.134]:40953 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758167Ab2BJPxq (ORCPT ); Fri, 10 Feb 2012 10:53:46 -0500 Subject: Re: [PATCH 0/4] CPU hotplug, cpusets: Fix CPU online handling related to cpusets From: Peter Zijlstra To: "Srivatsa S. Bhat" Cc: Ingo Molnar , paul@paulmenage.org, rjw@sisk.pl, tj@kernel.org, frank.rowand@am.sony.com, pjt@google.com, tglx@linutronix.de, lizf@cn.fujitsu.com, prashanth@linux.vnet.ibm.com, paulmck@linux.vnet.ibm.com, vatsa@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, "akpm@linux-foundation.org" In-Reply-To: <4F3386E9.7090606@linux.vnet.ibm.com> References: <20120207185411.7482.43576.stgit@srivatsabhat.in.ibm.com> <1328671335.2482.72.camel@laptop> <4F32174E.2050207@linux.vnet.ibm.com> <20120209075701.GE18387@elte.hu> <4F3386E9.7090606@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" Date: Fri, 10 Feb 2012 16:53:29 +0100 Message-ID: <1328889209.25989.15.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 641 Lines: 16 On Thu, 2012-02-09 at 14:12 +0530, Srivatsa S. Bhat wrote: > > So, from my point of view, cpusets seems to be handling CPU Offline pretty > well, and correctly too. The corresponding CPU online handling is what is > buggy, IMHO, and that is what I intended to fix with this patchset. No, online is not buggy, since offline is destructive of the cpuset state (it has to) you cannot undo it. -- 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/