linux-kernel - Re: [PATCH 2/4] timer: relax tick stop in idle entry

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Message-ID: <20151116150510.4846785d@icelake>
Date:	Mon, 16 Nov 2015 15:05:10 -0800
From:	Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:	paulmck@...ux.vnet.ibm.com
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	John Stultz <john.stultz@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Len Brown <len.brown@...el.com>,
	Rafael Wysocki <rafael.j.wysocki@...el.com>,
	Eduardo Valentin <edubezval@...il.com>,
	Paul Turner <pjt@...gle.com>,
	Josh Triplett <josh@...htriplett.org>,
	jacob.jun.pan@...ux.intel.com
Subject: Re: [PATCH 2/4] timer: relax tick stop in idle entry

On Mon, 16 Nov 2015 14:31:17 -0800
"Paul E. McKenney" <paulmck@...ux.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
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