CONFIG_ARM64_POE is not available for the selected architecture x86.
Result is shown for architecture arm64
Permission Overlay Extension
configname: CONFIG_ARM64_POE
Linux Kernel Configuration
└─>Kernel Features
└─>ARMv8.9 architectural features
└─>Permission Overlay Extension
In linux kernel since version 4.19.325 (release Date: 2024-12-05)
The Permission Overlay Extension is used to implement Memory
Protection Keys. Memory Protection Keys provides a mechanism for
enforcing page-based protections, but without requiring modification
of the page tables when an application changes protection domains.
For details, see <a href="https://www.kernel.org/doc/Documentation/core-api/protection-keys.rst
If">Documentation/core-api/protection-keys.rst
If</a> unsure, say y.
Protection Keys. Memory Protection Keys provides a mechanism for
enforcing page-based protections, but without requiring modification
of the page tables when an application changes protection domains.
For details, see <a href="https://www.kernel.org/doc/Documentation/core-api/protection-keys.rst
If">Documentation/core-api/protection-keys.rst
If</a> unsure, say y.