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Mechanisms to ensure data consistency across multiple physical processor cores.
Distinct from Multi-threaded Memory Management: Focuses on the use of spinlocks for multi-CPU consistency rather than just general multi-threaded allocator strategies.
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xv6 is a Unix-like educational operating system designed for teaching kernel concepts. It is implemented as an instructional kernel for x86 and RISC-V architectures, featuring a virtual memory manager and support for symmetric multiprocessing. The system is designed to demonstrate core OS principles through a simplified re-implementation of Unix Version 6. It provides a controlled environment for studying system calls, trap handling, and process lifecycles. Its capability surface covers process management, including scheduling and context switching, and memory management via page tables for
Uses spinlocks to coordinate memory access across multiple processors to ensure data consistency.