[arch-general] kernel config (CONFIG_NO_HZ_FULL)

Wondering why the main kernel has been reconfigured from CONFIG_NO_HZ_IDLE to CONFIG_NO_HZ_FULL? The config help has this to say regarding CONFIG_NO_HZ_FULL: "This is implemented at the expense of some overhead in user <-> kernel transitions: syscalls, exceptions and interrupts. Even when it's dynamically off." -- Joakim