It looks as the SoC on the T14s (AMD Ryzen 7 PRO 4750U) doesn’t support this feature, while grep’ing through my distfiles (i.e. source code of my programms) indicated some software actually makes use of it. For more details see e.g.: - man 7 pkeys - Documentation/core-api/protection-keys.rst (in the kernel sources) - https://lwn.net/Articles/643797 - https://www.phoronix.com/scan.php?page=news_item&px=AMD-PRM-PCID-PKEY
Kernel config files === Syntax: ${hostname}-config
Description