Enable CPU to GPU address mirroring

configname: CONFIG_DRM_XE_GPUSVM

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Enable CPU to GPU address mirroring
In linux kernel since version 6.1.145 (release Date: 2025-07-14)  
Enable this option if you want support for CPU to GPU address
mirroring.

If in doubut say "Y".