This is the first maintenance release of the v2.1.x branch . The
short log follows:
[blackfin] Major kernel update to uClinux 2.6.16. Port over the BF537
board  sponsored by Analog Devices.
[i386] Fix FPU context restore after a domain migration.
[nucleus] Optimize feature selection for message pipe and
registry supports. Optimize fast path for thread
suspension/resumption. Fix GDB access error on mmapped heaps. Fix
error path during module loadup. Check for CAP_SYS_NICE
capability for running Xenomai syscalls.
[posix] Various fixes. shm and registry updates.
[native] Fix deletion of non-current task. Make queue
services more robust when passed garbled buffer addresses.
[scripts] Various fixes and updates.
[16550A] Fix lock leakage. Fix IRQ source detection.
[sim] Fix issues with GCC 4.x.
The Adeos support has been upgraded for all the supported
architectures. Please see the ChangeLog for details.
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