[IA64] implement ia64 specific mutex primitives

Implement ia64 optimized mutex primitives.  It properly uses
acquire/release memory ordering semantics in lock/unlock path.
2nd version making them all static inline functions.

Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
1 file changed