Question: Consider the Test-and-Set spinlock on a system with several processors. Is it possible for the spinlock to spin on a cached memory location? Does decreasing

Consider the Test-and-Set spinlock on a system with several processors. Is

Consider the Test-and-Set spinlock on a system with several processors. Is it possible for the spinlock to spin on a cached memory location? Does decreasing the amount of time it takes, on average, for a processor to complete a critical section usually increase or decrease lock contention? Explain why Let's say you have a linked list with a Test-And-Set (TAS) spinlock serializing access to it. Can you use this construction to implement a first-come- first-served (FCFS) lock for n threads? Explain how to do so, or why it is impossible

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