Mark Brown writes:
> arm64/mm: Restructure arch_validate_flags() for extensibility
> prctl: arch-agnostic prctl for shadow stack
> mman: Add map_shadow_stack() flags
> arm64: Document boot requirements for Guarded Control Stacks
> arm64/gcs: Document the ABI for Gu
The arm64 Guarded Control Stack (GCS) feature provides support for
hardware protected stacks of return addresses, intended to provide
hardening against return oriented programming (ROP) attacks and to make
it easier to gather call stacks for applications such as profiling.
When GCS is active a sec
