linux-kernel - Re: [PATCH 03/16] sched: SCHED

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Message-ID: <4F95229F.1050305@gmail.com>
Date:	Mon, 23 Apr 2012 11:36:31 +0200
From:	Juri Lelli <juri.lelli@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	tglx@...utronix.de, mingo@...hat.com, rostedt@...dmis.org,
	cfriesen@...tel.com, 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@...csson.com, liming.wang@...driver.com
Subject: Re: [PATCH 03/16] sched: SCHED_DEADLINE data structures.

On 04/23/2012 11:30 AM, Peter Zijlstra wrote:
> On Fri, 2012-04-06 at 09:14 +0200, Juri Lelli wrote:
>>   /*
>> + * This function validates the new parameters of a -deadline task.
>> + * We ask for the deadline not being zero, and greater or equal
>> + * than the runtime.
>> + */
>> +static bool
>> +__checkparam_dl(const struct sched_param2 *prm)
>> +{
>> +       return prm&&  (&prm->sched_deadline) != 0&&
>> +              (s64)(&prm->sched_deadline -&prm->sched_runtime)>= 0;
>> +}
>
> Shouldn't this also include deadline == period for now?

No notion of period in 03/16. It is inserted in 08/16 and checkparam
changed accordingly.

Thanks,

- Juri
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