Real CPU (RCPU) Subsystem of VM
The RCPU subsystem of VM includes responsibility for the following parts of the system:
- Allocation of system resources to virtual machines and CP (Scheduler and dispatcher) (This is my main focus area.)
- System configuration management
- Task management
- Processor/vector facility initialization, termination, recovery
- Program/External/Machine check handlers
- Machine check and check stop processing and recovery
- Processor controller communications
- Semaphore Facility (Guest Lock Support)
- Diagnose Support (Diags. 00, 0C, and 44)
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