OiO.lk Blog security How are memory permissions implemented/agreed upon between the CPU and GPU?
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How are memory permissions implemented/agreed upon between the CPU and GPU?


GPU and the CPU are two different chips and the MMU is on the CPU.

So lets say the OS marks some pages as read only or execute only. How is that information conveyed to the GPU? How is it enforced? Can the GPU change or map that region as writeable if it wants to?



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