[LAD] realtime kernel based on linux-3.0-rc7

[Robin Gareus]

For all here who don't follow the kernel lists..

Thomas Gleixner has announced a new version of the real-time patch:
https://lkml.org/lkml/2011/7/19/309

Even though most of the pro-audio-relevant preemt-rt patches are already
mainline since 2.6.39, this is still very interesting mostly because:

> What's new in 3.0-rt ?
>
> - No more split soft interrupt threads. We need to analyze whether
>   this is a good decision.
>
> - softirq handling from the end of interrupt threads and on all
>   thread sites where a nested local_bh disabled section ends
> ...

..and this latency plot is stunning:
https://www.osadl.org/Latency-plot-of-system-in-rack-4-slot.qa-latencyplot-r4s6.0.html?latencies=&showno=&slider=57

enjoy,
robin