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Date: Thu, 11 Nov 2010 20:33:24 +0100
From: Raistlin <raistlin@...ux.it>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
Steven Rostedt <rostedt@...dmis.org>,
Chris Friesen <cfriesen@...tel.com>, oleg@...hat.com,
Frederic Weisbecker <fweisbec@...il.com>,
Darren Hart <darren@...art.com>,
Johan Eker <johan.eker@...csson.com>,
"p.faure" <p.faure@...tech.ch>,
linux-kernel <linux-kernel@...r.kernel.org>,
Claudio Scordino <claudio@...dence.eu.com>,
michael trimarchi <trimarchi@...is.sssup.it>,
Fabio Checconi <fabio@...dalf.sssup.it>,
Tommaso Cucinotta <cucinotta@...up.it>,
Juri Lelli <juri.lelli@...il.com>,
Nicola Manica <nicola.manica@...i.unitn.it>,
Luca Abeni <luca.abeni@...tn.it>,
Dhaval Giani <dhaval@...is.sssup.it>,
Harald Gustafsson <hgu1972@...il.com>,
paulmck <paulmck@...ux.vnet.ibm.com>
Subject: Re: [RFC][PATCH 10/22] sched: add a syscall to wait for the next
instance
On Thu, 2010-11-11 at 20:21 +0100, Peter Zijlstra wrote:
> On Fri, 2010-10-29 at 08:35 +0200, Raistlin wrote:
> >
> > Introduce sched_wait_interval() syscall (and scheduling class
> > interface call). In general, this aims at providing each scheduling
> > class with a mean of making one of its own task sleep for some time
> > according to some specific rule of the scheduling class itself.
> >
> Did we have an actual use case for this? I seem to remember that the
> last time we seemed to thing job wakeups are due to external events, in
> which case we don't need this.
>
Might find out something, but I mostly agree with what you're saying.
> I think we should try without this patch first and only consider this
> once we merged the base functionality and have a solid use-case for
> this.
>
Consider it as already dropped! :-)
Thanks,
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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