[LAD] [ANNOUNCE] Safe real-time on the desktop by default; Desktop/audio RT developers, read this!

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Mon Jun 22 18:15:16 UTC 2009

On Mon, 2009-06-22 at 15:38 +0200, Lennart Poettering wrote:
> On Mon, 22.06.09 15:05, Fons Adriaensen (fons at kokkinizita.net) wrote:
> > 
> > On Mon, Jun 22, 2009 at 09:24:24AM +0100, Bob Ham wrote:
> > 
> > > There's something wrong here.
> > 
> > There is a lot wrong here.
> > 
> > * Question: is the 'demoting' of RT-threads applied only to RT
> > threads granted by this daeomon, or does it apply to all, including
> > those created by processes running as root ? In the latter case this
> > system is not only broken, but should be classified as malware.
> Is that so?
> It can do both. resetting all is the default.

Good question. 

Why is it resetting all the default, even processes with rt privileges
not granted by RealtimeKit? Isn't rtkit supposed to be the only
authorized way to access schedulers other that SCHED_OTHER by non-root

(I assume, for example, that it would not under any circumstances reset
the scheduler of the kernel interrupt processes in an rt patched

-- Fernando

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