2.6.24.7-rt15

From: Thomas Gleixner
Date: Fri Jul 25 2008 - 16:10:42 EST


We are pleased to announce the 2.6.24.7-rt15 tree, which can be
downloaded from the location:

http://rt.et.redhat.com/download/

Information on the RT patch can be found at:

http://rt.wiki.kernel.org/index.php/Main_Page

This is a rather large update on top of 2.6.24.7-rt14:

- add support for m68knommu (Sebastian Siewior)

Don't be scared about the size of the patch. It contains a lot
of changes in the m68knommu code which are on the way to
upstream already, but we want to make the new -rt arch
available for testing right away.

- Various general mainline bugfixes collected by Clark Williams

- mm fix race in COW logic (Nick Piggin)

- Various hrtimer/nohz bugfix backports (tglx)

- command line option to supply the acpi pmtimer port (tglx)

- rtmutex debug fix (John Stultz)

- CPU hotplug fixes (Peter Zijlstra)

- rt rwlock locking fixes (Steven Rostedt)

- ftrace function pointer fix (Josh Triplett)

- RCU memory barrier fix (Paul McKenney)

- scheduler: round robin time slice fix (Miao Xie)

- frace: preempt trace fix (Steven Rostedt)

- scheduler: SCHED_FIFO spec violation fix (Peter Zijlstra, Darren Hart)

- PPC64 fixes (Chirag Jog, Sebastian Dugue)

- load average calculation fix (Michal Schmidt)

- ftrace: do not wakeup the waitqueue when interrupts disabled (tglx)

- ACPI: fix reschedule checks (tglx)

- smp boot hotplug fix (Peter Zijlstra)

- scheduler: Fix race of dequeued SCHED_RR task against timer interrupt (tglx)

to build a 2.6.24.7-rt14 tree, the following patches should be applied:

http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.24.tar.bz2
http://kernel.org/pub/linux/kernel/v2.6/patch-2.6.24.7.bz2
http://rt.et.redhat.com/download/patch-2.6.24.7-rt15.bz2


And like always, Steven's RT version of Matt Mackall's ketchup will get this
for you nicely:

http://people.redhat.com/srostedt/rt/tools/ketchup-0.9.8-rt3

As usual the broken out patches are also available.

I have a backport of the powerpc ftrace code in the pipeline, which I
plan to release in the next days. That should allow us to sort out the
MPC5200 issue which was reported by Wolfgang et al. We tested on a
MPC8544 with no sign of strange latencies, so this seems to be a
MPC5200 specific problem. Stay tuned, I'll have a 5200 board in my
hands hopefully tomorrow morning.

Thanks,

tglx
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