[PATCH 5/6] x86/platform/uv/BAU: Add wait_completion to bau_operations

Remove the present wait_completion routine and add a function pointer by the same name to the bau_operations struct. Rather than switching on the UV hub version during message processing, set the architecture-specific uv*_wait_completion during initialization. The uv123_bau_ops struct must be

[PATCH 5/6] x86/platform/uv/BAU: Add wait_completion to bau_operations

Remove the present wait_completion routine and add a function pointer by the same name to the bau_operations struct. Rather than switching on the UV hub version during message processing, set the architecture-specific uv*_wait_completion during initialization. The uv123_bau_ops struct must be