2.6.16-rc6-rt1

[Ingo Molnar <mingo@elte.hu>]

i have released the 2.6.16-rc6-rt1 tree, which can be downloaded from 
the usual place:

   http://redhat.com/~mingo/realtime-preempt/

again, lots of changes all over the map:

- firstly, the -rt tree has been rebased to 2.6.16-rc6, which was a more
  complex operation than usual, due to the many changes in 2.6.16 (in 
  particular the mutex code).

- the PI code got reworked again, this time by Thomas Gleixner. The
  priority boosting chain is now instantaneous again (and not 
  wakeup/scheduling based) - but the previous list-walking hell has been 
  avoided via the clever use of plists. Plus many other changes and
  lots of cleanups to the rt-mutex proper.

- the rt-SLAB code got reworked too - hopefully for the better.

- there's also a completely new PI-futex approach included, ontop of the
  robust-list futex feature. All combinations of PI and robustness are
  supported: default non-robust non-PI futexes, robust+PI, !robust+PI,
  PI+!robust futexes.

- new latency tracer feature: print every function call done by the
  kernel to the console - useful to debug early bootup hangs or other
  nasty bugs.

- plus zillions of bugfixes (and no doubt new regressions).

to build a 2.6.16-rc6-rt1 tree, the following patches should be applied:

  http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.15.tar.bz2
  http://kernel.org/pub/linux/kernel/v2.6/testing/patch-2.6.16-rc6.bz2
  http://redhat.com/~mingo/realtime-preempt/patch-2.6.16-rc6-rt1

	Ingo
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