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Subject2.6.25.4-rt4
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We are pleased to announce the 2.6.25.4-rt4 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

Changes since 2.6.25.4-rt3

(Mostly stuff that has been pushed to 24-rt)

- Upgraded new ftrace (Steven Rostedt)

- RT downgrade_write (Steven Rostedt)

- fix RT rwlocks typecasts (Steven Rostedt)

- default sched_nr_migrate to 8 (Steven Rostedt)

- ARM compile fix (Remy Bohmer)

- vdso vsyscall generic (Luis Goncalves)

- git-ignore update (Hiroshi Shimamoto)

- lockstat updates (Peter Zijlstra)

- Adjust pi_lock in wakeup waiters (Peter Morreale)

- optimize rt_spin wakeup (Peter Morreale)

- all archs use task->oncpu (Gregory Haskins)
[modified use in header by Steven Rostedt]

- remove redundant try_to_take_lock (Peter Morreale)

- fastpath try_to_take_lock on steal (Steven Rostedt)

- preempt __delay fix (Steven Rostedt)

- ftrace minor fixes (Steven Rostedt, Clark Williams,
and Abhishek Sagar)

- disable ftrace daemon (Steven Rostedt)

- sched_rt migration updates (Gregory Haskins)

- nmi show regs fix (Hiroshi Shimamoto)

- Trace histogram divide by zero fix (Carsten Emde)

to build a 2.6.25.4-rt4 tree, the following patches should be applied:

http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.25.tar.bz2
http://kernel.org/pub/linux/kernel/v2.6/patch-2.6.25.4.bz2
http://rt.et.redhat.com/download/patch-2.6.25.4-rt4.bz2



And like always, my 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


The broken out patches are also available.


-- Steve




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