Status: IN
RHEL 9 exposes explicit performance-vs-security tradeoff controls: TuneD (enabled by default) provides profile-based system performance tuning, while security restrictions constrain high-performance subsystems — io_uring disabled by default (`kernel.io_uring_disabled=2`) and BPF restricted to privileged users (`unprivileged_bpf_disabled=2`) — requiring administrators to consciously relax security for performance gains.