Based on feedback online I have hacked an alternative configuration for Linux 4.14.22 intended for AMD64 Ryzen CPU's. Below are the specific configuration directives in this kernel:
Please note that I am intending to test this installer in a future remote Ryzen server. As of now I have only tested its operation in my Intel -based development machine -- where I have built a couple of kernels with no stability issues.
If you care to 'give it a spin', either locally and/or in your remote Ryzen server, here is Tezcatlipocacitlalli, aka, 'Jupiter', image link to the Metztli Reiser4 Z netboot Debian-Installer (d-i)