From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751586AbcFWIUX (ORCPT ); Thu, 23 Jun 2016 04:20:23 -0400 Received: from www.linutronix.de ([62.245.132.108]:46634 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750890AbcFWIUU (ORCPT ); Thu, 23 Jun 2016 04:20:20 -0400 Date: Thu, 23 Jun 2016 10:18:11 +0200 (CEST) From: Thomas Gleixner To: Zhaoyang Huang cc: Daniel Lezcano , Geng Ren , Alex Wang , Vincent Guittot , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, =?GB2312?Q?Zhaoyang_Huang_=28=BB=C6=B3=AF=D1=F4=29?= Subject: Re: [RESEND PATCH v2 2/2] power/idle: enhance the precision of sleep_length In-Reply-To: Message-ID: References: <1466154816-17900-1-git-send-email-zhaoyang.huang@spreadtrum.com> <1466154816-17900-2-git-send-email-zhaoyang.huang@spreadtrum.com> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) 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,URIBL_BLOCKED=0.001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 23 Jun 2016, Zhaoyang Huang wrote: > On 23 June 2016 at 15:01, Thomas Gleixner wrote: > Thomas, I agree with you, I have discussed the modification with the > call back owner. However, I wonder if we can make the idle's framework > to be more precised without the assumption of short CPU_PM_ENTER > callbacks. Thank you! What's the point? To help people who put insanities into the idle code path? Thanks, tglx