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

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Date:	Mon, 16 Nov 2015 18:57:14 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	paulmck@...ux.vnet.ibm.com, Josh Triplett <josh@...htriplett.org>
Cc:	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	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>,
	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>
Subject: Re: [PATCH 2/4] timer: relax tick stop in idle entry

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.

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