Author: Matt Taylor
Date: 20:59:51 12/02/02
Go up one level in this thread
>How can you use the hlt instruction? It's privileged, and you're in ring 3. Nevermind. I forgot that the P4 introduced a pause instruction to reduce the rate that spin loops execute at, creating less contention on the bus and allowing the processor to run cooler. The pause instruction -ISN'T- privileged.
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