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

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Date:	Thu, 21 Nov 2013 15:15:40 +0100
From:	Juri Lelli <juri.lelli@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	peterz@...radead.org, tglx@...utronix.de, mingo@...hat.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@...il.com, liming.wang@...driver.com, jkacur@...hat.com,
	harald.gustafsson@...csson.com, vincent.guittot@...aro.org,
	bruce.ashfield@...driver.com
Subject: Re: [PATCH 03/14] sched: SCHED_DEADLINE structures & implementation.

On 11/20/2013 09:23 PM, Steven Rostedt wrote:
> On Thu,  7 Nov 2013 14:43:37 +0100
> Juri Lelli <juri.lelli@...il.com> 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;
> 
> Patch 6 brought this to my attention. Looks like using the address of
> the fields is wrong. I know patch 6 fixes this, but lets make it
> correct in this patch first.
> 

Fixed.

Thanks,

- Juri

> 
>> +}
>> +
>> +/*
>>   * check the target process has a UID that matches the current process's
>>   */
>>  static bool check_same_owner(struct task_struct *p)
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