linux-kernel - Re: [RFC 0/3] sched/idle: run-time support for setting idle polling

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Date:	Wed, 30 Sep 2015 19:27:13 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Luiz Capitulino <lcapitulino@...hat.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	linux-kernel@...r.kernel.org, riel@...hat.com,
	rafael.j.wysocki@...el.com, mingo@...nel.org,
	Linux PM list <linux-pm@...r.kernel.org>,
	Len Brown <len.brown@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC 0/3] sched/idle: run-time support for setting idle polling

On Wed, Sep 30, 2015 at 01:16:10PM -0400, Luiz Capitulino wrote:
> On Wed, 30 Sep 2015 17:48:35 +0200
> Peter Zijlstra <peterz@...radead.org> wrote:

> > Ideally every cpuidle driver would get 'polling' as a
> > default state and the QoS constraints might select it if nothing else
> > matches.
> 
> So, I didn't know we had support for polling from the idle
> thread via cpuidle. This solves the first part of the problem.

I'm not sure we do; I'm saying that's what we should do ;-)

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