Question: What is the best scenario for implementing a mutex lock as a spinlock? On a single - coresystem where the lock is held for a

What is the best scenario for implementing a mutex lock as a spinlock?
On a single-coresystem where the lock is held for a long duration
On a multi-core system where the lock is held for a long duration.
On a multi-core system where the lock is held for a short duration.
On a single-core system where the lock is held for a short duration
What is the best scenario for implementing a mutex lock as

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