Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751702AbbKQC5S (ORCPT ); Mon, 16 Nov 2015 21:57:18 -0500 Received: from mga03.intel.com ([134.134.136.65]:41276 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751032AbbKQC5Q (ORCPT ); Mon, 16 Nov 2015 21:57:16 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,305,1444719600"; d="scan'208";a="821790857" Subject: Re: [PATCH 2/4] timer: relax tick stop in idle entry To: paulmck@linux.vnet.ibm.com, Josh Triplett References: <1447444387-23525-1-git-send-email-jacob.jun.pan@linux.intel.com> <1447444387-23525-3-git-send-email-jacob.jun.pan@linux.intel.com> <20151113142438.3144d47d@icelake> <20151116135126.5a50e45d@icelake> <20151116223210.GA21522@cloud> <20151116232640.GM5184@linux.vnet.ibm.com> <20151117014103.GA6629@x> <20151117025342.GP5184@linux.vnet.ibm.com> Cc: Jacob Pan , Thomas Gleixner , Peter Zijlstra , Ingo Molnar , John Stultz , LKML , Srinivas Pandruvada , Len Brown , Rafael Wysocki , Eduardo Valentin , Paul Turner From: Arjan van de Ven Message-ID: <564A978A.8060905@linux.intel.com> Date: Mon, 16 Nov 2015 18:57:14 -0800 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <20151117025342.GP5184@linux.vnet.ibm.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 520 Lines: 12 On 11/16/2015 6:53 PM, Paul E. McKenney wrote: > Fair point. When in the five-jiffy throttling state, what can wake up > a CPU? In an earlier version of this proposal, the answer was "nothing", > but maybe that has changed. device interrupts are likely to wake the cpus. -- 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/