linux-kernel - Re: [PATCH RFC 0/4] Scheduler idle notifiers and users

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Message-ID: <1329363097.3772.46.camel@pasglop>
Date:	Thu, 16 Feb 2012 14:31:37 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Saravana Kannan <skannan@...eaurora.org>,
	Ingo Molnar <mingo@...e.hu>, linaro-kernel@...ts.linaro.org,
	Nicolas Pitre <nico@...xnic.net>,
	Oleg Nesterov <oleg@...hat.com>, cpufreq@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Anton Vorontsov <anton.vorontsov@...aro.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Mike Chan <mike@...roid.com>, Dave Jones <davej@...hat.com>,
	Todd Poynor <toddpoynor@...gle.com>, kernel-team@...roid.com,
	linux-arm-kernel@...ts.infradead.org,
	Arjan Van De Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH RFC 0/4] Scheduler idle notifiers and users

On Wed, 2012-02-15 at 16:01 +0100, Peter Zijlstra wrote:
> 
> Thing is, the scheduler doesn't care about completion, all it needs is
> to be able to kick-start the thing atomically. So you really have to
> wait for it or can you do an interrupt driven state machine?

Or the scheduler callback could schedule a wq to do the job ?

Cheers,
Ben.


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