CONFIG_ARCH_HAS_USER_SHADOW_STACK (not configurable)
configname: CONFIG_ARCH_HAS_USER_SHADOW_STACK
Linux Kernel Configuration
└─>Memory Management options
└─>ARCH_HAS_USER_SHADOW_STACK
In linux kernel since version 5.4.290 (release Date: 2025-02-01)
The architecture has hardware support for userspace shadow call
stacks (eg, x86 CET, arm64 GCS or RISC-V Zicfiss).
stacks (eg, x86 CET, arm64 GCS or RISC-V Zicfiss).