Subject: Re: [PATCH] [request for inclusion] Realtime LSM
From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Con Kolivas <kernel@kolivas.org>
Cc: Andrew Morton <akpm@osdl.org>, Paul Davis <paul@linuxaudiosystems.com>,
       lkml@s2y4n2c.de, rlrevell@joe-job.com, arjanv@redhat.com, joq@io.com,
       chrisw@osdl.org, mpm@selenic.com, hch@infradead.org, mingo@elte.hu,
       alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org
In-Reply-To: <41E7468B.3050702@kolivas.org>
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	 <1105673482.5402.58.camel@npiggin-nld.site>  <41E7468B.3050702@kolivas.org>
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Date: Fri, 14 Jan 2005 15:23:58 +1100
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On Fri, 2005-01-14 at 15:11 +1100, Con Kolivas wrote:
> Nick Piggin wrote:
> > It sounds to me like both your proposals may be too complex and not
> > sufficiently deterministic (I don't know for sure, maybe that's
> > exactly what the RT people want).
> 
> This is the solution already employed in the real world by OSX. It works
> well, and the audio people have told me they are happy with it.
> 

Alternatively, could you grant the required capabilities to use real
RT scheduling and not foul up the scheduler?

Or do a similar sort of thing with a userspace daemon that manages
priorities and watches CPU usage?

Basically I'd prefer not to put hacks in the (mainline) scheduler to
handle this pretty specific special case.

> > I could be completely off the rails though. I haven't really been
> > following this thread so please shoot me in my foot if I have put it
> > in my mouth.
> 
> If your foot is in your mouth and you ask me to shoot you in the foot it
> would blow your head off... Hmm it's tempting...
> 

Meeeow!


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