linux-kernel - Re: [PATCH 03/14] sched: SCHED_DEADLINE structures & implementation.

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Message-ID: <20131014114900.GF3081@twins.programming.kicks-ass.net>
Date:	Mon, 14 Oct 2013 13:49:00 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Juri Lelli <juri.lelli@...il.com>
Cc:	tglx@...utronix.de, mingo@...hat.com, rostedt@...dmis.org,
	oleg@...hat.com, fweisbec@...il.com, darren@...art.com,
	johan.eker@...csson.com, p.faure@...tech.ch,
	linux-kernel@...r.kernel.org, claudio@...dence.eu.com,
	michael@...rulasolutions.com, fchecconi@...il.com,
	tommaso.cucinotta@...up.it, nicola.manica@...i.unitn.it,
	luca.abeni@...tn.it, dhaval.giani@...il.com, hgu1972@...il.com,
	paulmck@...ux.vnet.ibm.com, raistlin@...ux.it,
	insop.song@...il.com, liming.wang@...driver.com, jkacur@...hat.com,
	harald.gustafsson@...csson.com, vincent.guittot@...aro.org,
	bruce.ashfield@...driver.com--no-chain-reply-to
Subject: Re: [PATCH 03/14] sched: SCHED_DEADLINE structures & implementation.

On Mon, Oct 14, 2013 at 12:43:35PM +0200, Juri Lelli wrote:
> +/*
> + * Yield task semantic for -deadline tasks is:
> + *
> + *   get off from the CPU until our next instance, with
> + *   a new runtime.
> + */

Could you amend that comment with a reason for why this is so? I have
vague recollections of a discussion on this subject but can't recall. It
seems like a useful thing to have.
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