kernelconfig_penguin
is selected by
CONFIG_KPROBE_EVENTS

CONFIG_HAVE_REGS_AND_STACK_ACCESS_API (not configurable)

configname: CONFIG_HAVE_REGS_AND_STACK_ACCESS_API

Linux Kernel Configuration
└─> General architecture-dependent options
└─> HAVE_REGS_AND_STACK_ACCESS_API

This symbol should be selected by an architecure if it supports
the API needed to access registers and stack entries from pt_regs,
declared in asm/ptrace.h
For example the kprobes-based event tracer needs this API.