From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arun R Bharadwaj Subject: Re: [v9 PATCH 0/9]: cpuidle: Cleanup cpuidle/ Introduce cpuidle to POWER. Date: Mon, 16 Nov 2009 16:06:49 +0530 Message-ID: <20091116103649.GA23142@linux.vnet.ibm.com> References: <20091016093850.GB27350@linux.vnet.ibm.com> Reply-To: arun@linux.vnet.ibm.com Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Return-path: Content-Disposition: inline In-Reply-To: <20091016093850.GB27350@linux.vnet.ibm.com> Sender: linux-acpi-owner@vger.kernel.org To: Peter Zijlstra , Benjamin Herrenschmidt , Ingo Molnar , Vaidyanathan Srinivasan , Dipankar Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arch@vger.kernel.org, linux-acpi@vger.kernel.org List-Id: linux-arch.vger.kernel.org * Arun R Bharadwaj [2009-10-16 15:08:50]: > Hi, > > This patchset introduces cpuidle infrastructure to POWER, prototyping > for pSeries, and also does a major refactoring of current x86 idle > power management and a cleanup of cpuidle infrastructure. > > This patch series has been in discussion for quite a while now and > below are the links to the previous discussions. > > Hopefully, this is ready to be included in the -tip tree. > > v8 --> http://lkml.org/lkml/2009/10/8/82 > v7 --> http://lkml.org/lkml/2009/10/6/278 > v6 --> http://lkml.org/lkml/2009/9/22/180 > v5 --> http://lkml.org/lkml/2009/9/22/26 > v4 --> http://lkml.org/lkml/2009/9/1/133 > v3 --> http://lkml.org/lkml/2009/8/27/124 > v2 --> http://lkml.org/lkml/2009/8/26/233 > v1 --> http://lkml.org/lkml/2009/8/19/150 > > > Changes in this version: > ---------------------------------------- > *Added documentation for the new design regarding registration > of idle routines in Documentation/cpuidle/core.txt > > *Platforms which do not want the code bloat of cpuidle can > disable CONFIG_CPU_IDLE. Alternate definition of > cpuidle_idle_call is provided which would call the appropriate > idle routine provided by the arch without the overhead of > registration and governors. > (Thanks to Andi for raising this isuue) > > *I had missed a cpuidle_kick_cpus() in > cpuidle_pause_and_lock() which is called from the hotplug > path. So added that and tested this patchset by subjecting it > to cpuhotplug torture. > (Thanks to Balbir for noticing this) > > Hi Peter, Did you get time to look at this series? Please let me know if we need any changes to this version to get it merged. thanks > --arun > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp02.in.ibm.com ([122.248.162.2]:45717 "EHLO e28smtp02.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751134AbZKPKgw (ORCPT ); Mon, 16 Nov 2009 05:36:52 -0500 Date: Mon, 16 Nov 2009 16:06:49 +0530 From: Arun R Bharadwaj Subject: Re: [v9 PATCH 0/9]: cpuidle: Cleanup cpuidle/ Introduce cpuidle to POWER. Message-ID: <20091116103649.GA23142@linux.vnet.ibm.com> Reply-To: arun@linux.vnet.ibm.com References: <20091016093850.GB27350@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20091016093850.GB27350@linux.vnet.ibm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Peter Zijlstra , Benjamin Herrenschmidt , Ingo Molnar , Vaidyanathan Srinivasan , Dipankar Sarma , Balbir Singh , Andi Kleen , Arun Bharadwaj Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arch@vger.kernel.org, linux-acpi@vger.kernel.org Message-ID: <20091116103649.KA-Hrw7pTMSA6q5g81dvVb3tz2OcXToU30ghnEQC-z8@z> * Arun R Bharadwaj [2009-10-16 15:08:50]: > Hi, > > This patchset introduces cpuidle infrastructure to POWER, prototyping > for pSeries, and also does a major refactoring of current x86 idle > power management and a cleanup of cpuidle infrastructure. > > This patch series has been in discussion for quite a while now and > below are the links to the previous discussions. > > Hopefully, this is ready to be included in the -tip tree. > > v8 --> http://lkml.org/lkml/2009/10/8/82 > v7 --> http://lkml.org/lkml/2009/10/6/278 > v6 --> http://lkml.org/lkml/2009/9/22/180 > v5 --> http://lkml.org/lkml/2009/9/22/26 > v4 --> http://lkml.org/lkml/2009/9/1/133 > v3 --> http://lkml.org/lkml/2009/8/27/124 > v2 --> http://lkml.org/lkml/2009/8/26/233 > v1 --> http://lkml.org/lkml/2009/8/19/150 > > > Changes in this version: > ---------------------------------------- > *Added documentation for the new design regarding registration > of idle routines in Documentation/cpuidle/core.txt > > *Platforms which do not want the code bloat of cpuidle can > disable CONFIG_CPU_IDLE. Alternate definition of > cpuidle_idle_call is provided which would call the appropriate > idle routine provided by the arch without the overhead of > registration and governors. > (Thanks to Andi for raising this isuue) > > *I had missed a cpuidle_kick_cpus() in > cpuidle_pause_and_lock() which is called from the hotplug > path. So added that and tested this patchset by subjecting it > to cpuhotplug torture. > (Thanks to Balbir for noticing this) > > Hi Peter, Did you get time to look at this series? Please let me know if we need any changes to this version to get it merged. thanks > --arun >