From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jacob Pan Subject: Re: [PATCH 0/8] Cure faux idle wreckage Date: Tue, 26 Nov 2013 15:23:32 -0800 Message-ID: <20131126152332.1b0dbbdb@ultegra> References: <20131126155743.116756708@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20131126155743.116756708@infradead.org> Sender: linux-kernel-owner@vger.kernel.org To: Peter Zijlstra Cc: Arjan van de Ven , lenb@kernel.org, rjw@rjwysocki.net, Eliezer Tamir , David Miller , rui.zhang@intel.com, Mike Galbraith , Ingo Molnar , hpa@zytor.com, paulmck@linux.vnet.ibm.com, Thomas Gleixner , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org List-Id: linux-pm@vger.kernel.org On Tue, 26 Nov 2013 16:57:43 +0100 Peter Zijlstra wrote: > Respin of the earlier series that tries to cure the 2 idle injection > drivers and cleans up some of the preempt_enable_no_resched() mess. > > The intel_powerclamp driver is tested by Jacob Pan and needs one more > patch to cpuidle to work as before. I'll let him provide this patch; > since he actually has it and tested it. > > Jacob also said he'll try and work with the QoS people to sort out > the conflict of interest between the idle injectors and the QoS > framework. [Jacob Pan] I have sent out a patch to hook up powerclamp with qos. Please review. Ideally, this should be in one patchset to avoid performance regression in powerclamp. If the qos hook is acceptable, it can be easily used by ACPI PAD, I think. Jacob