Re: pulse-rt by default?

[Arjan van de Ven <arjan infradead org>]

On Mon, 6 Oct 2008 02:48:46 +0200
Lennart Poettering <mzerqung 0pointer de> wrote:

> On Sun, 05.10.08 20:29, Jon Masters (jonathan jonmasters org) wrote:
> 
> > Hi,
> > 
> > Can I suggest that we consider adding new desktop users on a fresh
> > install to pulse-rt by default? Or, put another way, does anyone
> > think this is a particularly bad idea to be doing?
> 
> It's a security issue.
> 
> If you add a user to pulse-rt he basically got the power to block the
> CPU indefinitely and thus freeze the machine.
> 
> Unfortunately on Linux we don't have anything in place that would
> allow "safe" usage of realtime features. There have been steps in the
> right direction (like real-time group scheduling, RLIMIT_RTTIME), but
> that is still a royal PITA to use or trivial to circumvent.
> 

yeah it's better to not need realtime, and just have a good enough
scheduler instead ;-)



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Arjan van de Ven 	Intel Open Source Technology Centre
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