This sounds a bit like the pkey API and MPK (Memory Protection Keys) on more recent Intel processors. https://www.kernel.org/doc/html/latest/core-api/protectio

This sounds a bit like the pkey API and MPK (Memory Protection Keys) on more recent Intel processors. https://www.kernel.org/doc/html/latest/core-api/protection-keys.html https://www.kernel.org/doc/html/latest/core-api/protection-k...