Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1751799AbbKPXGI (ORCPT <rfc822;w@1wt.eu>);
	Mon, 16 Nov 2015 18:06:08 -0500
Received: from mga01.intel.com ([192.55.52.88]:42091 "EHLO mga01.intel.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1750778AbbKPXGG (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Mon, 16 Nov 2015 18:06:06 -0500
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.20,304,1444719600"; 
   d="scan'208";a="687014934"
Date: Mon, 16 Nov 2015 15:05:10 -0800
From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: paulmck@linux.vnet.ibm.com
Cc: Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>,
        John Stultz <john.stultz@linaro.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Arjan van de Ven <arjan@linux.intel.com>,
        Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
        Len Brown <len.brown@intel.com>,
        Rafael Wysocki <rafael.j.wysocki@intel.com>,
        Eduardo Valentin <edubezval@gmail.com>, Paul Turner <pjt@google.com>,
        Josh Triplett <josh@joshtriplett.org>, jacob.jun.pan@linux.intel.com
Subject: Re: [PATCH 2/4] timer: relax tick stop in idle entry
Message-ID: <20151116150510.4846785d@icelake>
In-Reply-To: <20151116223117.GK5184@linux.vnet.ibm.com>
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>
	<alpine.DEB.2.11.1511131516180.3987@nanos>
	<20151113142438.3144d47d@icelake>
	<alpine.DEB.2.11.1511161558550.3761@nanos>
	<20151116135126.5a50e45d@icelake>
	<20151116223117.GK5184@linux.vnet.ibm.com>
Organization: OTC
X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.23; x86_64-pc-linux-gnu)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 571
Lines: 16

On Mon, 16 Nov 2015 14:31:17 -0800
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:

> Just out of curiosity, what is the purpose of the forced idle state?
> Thermal control or some such?
yes. for thermal control or power capping. I have some description in
cover letter.
https://lwn.net/Articles/664405/

Thanks,
Jacob
--
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/