linux-kernel - Re: [RFC 1/12][PATCH] Extended scheduling parameters structure added.

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Date:	Wed, 13 Jan 2010 11:36:34 +0100
From:	Raistlin <raistlin@...ux.it>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	michael trimarchi <michael@...dence.eu.com>,
	Fabio Checconi <fabio@...dalf.sssup.it>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dhaval Giani <dhaval.giani@...il.com>,
	Johan Eker <johan.eker@...csson.com>,
	"p.faure" <p.faure@...tech.ch>,
	Chris Friesen <cfriesen@...tel.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Henrik Austad <henrik@...tad.us>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Darren Hart <darren@...art.com>,
	Sven-Thorsten Dietrich <sven@...bigcorporation.com>,
	Claudio Scordino <claudio@...dence.eu.com>,
	Tommaso Cucinotta <tommaso.cucinotta@...up.it>,
	"giuseppe.lipari" <giuseppe.lipari@...up.it>,
	Juri Lelli <juri.lelli@...il.com>
Subject: Re: [RFC 1/12][PATCH] Extended scheduling parameters structure
 added.

On Tue, 2009-12-29 at 13:15 +0100, Peter Zijlstra wrote:
> On Fri, 2009-10-16 at 17:38 +0200, Raistlin wrote:
> 
> >  include/linux/sched.h |    8 ++++++++
> >  1 files changed, 8 insertions(+), 0 deletions(-)
> > 
> > diff --git a/include/linux/sched.h b/include/linux/sched.h
> > index 75e6e60..ac9837c 100644
> > --- a/include/linux/sched.h
> > +++ b/include/linux/sched.h
> > @@ -94,6 +94,14 @@ struct sched_param {
> >  
> >  #include <asm/processor.h>
> >  
> > +struct sched_param_ex {
> > +	int sched_priority;
> > +	struct timespec sched_runtime;
> > +	struct timespec sched_deadline;
> > +	struct timespec sched_period;
> > +	int sched_flags;
> > +};
> > +
> >  struct exec_domain;
> >  struct futex_pi_state;
> >  struct robust_list_head;
> 
> Why separate this change from the introduction of the new system calls?
> 
Nothing particular... I was just thinking that the extended data
structure might have sense even for other --more general-- purposes. But
I can merge the two if it sounds better.

Thanks and regards,
Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
----------------------------------------------------------------------
Dario Faggioli, ReTiS Lab, Scuola Superiore Sant'Anna, Pisa  (Italy)

http://blog.linux.it/raistlin / raistlin@...ga.net /
dario.faggioli@...ber.org

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