Software Tuning, Performance Optimization & Platform Monitoring
Discussion regarding monitoring and software tuning methodologies, Performance Monitoring Unit (PMU) of Intel microprocessors, and platform updating.

How the LOCK CMPXCHG make sure the operation is atomic?

Jacky_Y_
Beginner
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We known LOCK CMPXCHG keeping the operation atomic , my question is how it make sure the operation is atomic?what happens behind the sences?

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