From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423652AbcBQQPE (ORCPT ); Wed, 17 Feb 2016 11:15:04 -0500 Received: from casper.infradead.org ([85.118.1.10]:58920 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161048AbcBQQPB (ORCPT ); Wed, 17 Feb 2016 11:15:01 -0500 Date: Wed, 17 Feb 2016 17:14:57 +0100 From: Peter Zijlstra To: Joonas Lahtinen , Oleg Nesterov , Intel graphics driver community testing & development , Linux kernel development , Ingo Molnar , David Hildenbrand , "Paul E. McKenney" , "Gautham R. Shenoy" , Chris Wilson Subject: Re: [PATCH] [RFC] kernel/cpu: Use lockref for online CPU reference counting Message-ID: <20160217161457.GH6357@twins.programming.kicks-ass.net> References: <1455539803-13913-1-git-send-email-joonas.lahtinen@linux.intel.com> <20160215141755.GG6357@twins.programming.kicks-ass.net> <20160215170618.GL6375@twins.programming.kicks-ass.net> <1455612576.4977.11.camel@linux.intel.com> <20160216091440.GT6357@twins.programming.kicks-ass.net> <1455619863.4977.29.camel@linux.intel.com> <20160216110732.GU6357@twins.programming.kicks-ass.net> <1455713251.5622.9.camel@linux.intel.com> <20160217142005.GD6357@twins.programming.kicks-ass.net> <20160217161320.GL32705@phenom.ffwll.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160217161320.GL32705@phenom.ffwll.local> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 17, 2016 at 05:13:21PM +0100, Daniel Vetter wrote: > And for context we're hitting this on CI in a bunch of our machines, which What's CI ?