Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755181Ab2FNIiB (ORCPT ); Thu, 14 Jun 2012 04:38:01 -0400 Received: from www.linutronix.de ([62.245.132.108]:54557 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752987Ab2FNIhK (ORCPT ); Thu, 14 Jun 2012 04:37:10 -0400 Date: Thu, 14 Jun 2012 10:37:08 +0200 (CEST) From: Thomas Gleixner To: Peter Zijlstra cc: "Paul E. McKenney" , LKML , Ingo Molnar , "Srivatsa S. Bhat" , Rusty Russell , Tejun Heo Subject: Re: [RFC patch 2/5] smpboot: Provide infrastructure for percpu hotplug threads In-Reply-To: <1339661331.2559.5.camel@twins> Message-ID: References: <20120613102823.373180763@linutronix.de> <20120613105815.206105518@linutronix.de> <20120613183301.GE2427@linux.vnet.ibm.com> <1339661331.2559.5.camel@twins> User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 594 Lines: 15 On Thu, 14 Jun 2012, Peter Zijlstra wrote: > On Wed, 2012-06-13 at 20:56 +0200, Thomas Gleixner wrote: > > If it's just a spurious wakeup then it goes back to sleep right away > > as nothing cleared the park bit. > > Your spurious wakeup will have destroyed the binding though. So you need > to be careful. We explicitely rebind it on unpark(). -- 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/