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i have released the 2.6.13-rc6-rt3 tree, which can be downloaded from
the usual place:

Changes since 2.6.13-rc6-rt2:

- reverted an incorrect tasklist_lock -> lock_task() conversion that
slipped in via an earlier hack in the HRT code. The issue it tried to
solve is mooted by the RCU-tasklist-lock code.

- introduce mutex_chprio() as the mechanism for High Resolution timers
to dynamically change the priority of the HRT softirq thread. [This
fixes a latency/priority bug in where the dynamic prio would override
the inherited priority, and when the PI mechanism restores priority
it would override the HRT priority.]

- now that HR-timer dynamic priorities have the proper framework,
removed the HIGH_RES_TIMERS_DYN_PRIO config option and made the
feature unconditional.

to build a 2.6.13-rc6-rt3 tree, the following patches should be applied:

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