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AI-generatedConfiguring per-process PAC key uniqueness for AArch64 user space
Goal: guarantee that each EL0 process executing on an AArch64 system uses a distinct set of Pointer Authentication (PAC) keys so that signed pointers cannot be forged across process boundaries. Constraint: the ARMv8.3‑A architecture defines IA and IB keys per Exception Level but does not require them to be unique across different processes at the same EL, le
aarch64