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Subject: Re: [RFC 0/1][PATCH] POSIX SCHED_SPORADIC implementation for tasks
	and groups
From: Dario Faggioli <raistlin@linux.it>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ulrich Drepper <drepper@redhat.com>, linux-kernel@vger.kernel.org,
       Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
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On Mon, 2008-08-11 at 18:30 +0200, Peter Zijlstra wrote:
> On Mon, 2008-08-11 at 18:23 +0200, Dario Faggioli wrote:
> > On Mon, 2008-08-11 at 16:25 +0200, Peter Zijlstra wrote:
> > > My suggestion would be to create struct sched_param2 with plenty of
> > > padding to support future expansion and add
> > > sys_sched_setscheduler2()/sys_sched_getscheduler2() to deal with this
> > > new structure.
> > And we will miss POSIX compliance. :-(
> > Anyway, I agree the ABI issue this could raise are serious enough and, =
I
> > repeat, I can't see any other solution too.
>=20
> Well, a new version of glibc could use those to implement the posix
> interface.=20
I see. Actually, you're more than right! I have not thought at it in
those terms...

> Because as I understand it, glibc can break ABI on certain
> version bumps.
Seems better to me too... I confirm I'll do the interface change as soon
as possible.

Thanks again,
Dario

--=20
<<This happens because I choose it to happen!>>
(Raistlin Majere, DragonLance Chronicles -Dragons of Spring Drawning-)
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Dario Faggioli
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