>
> > # CONFIG_EDAC_AMD64_ERROR_INJECTION is not set
>
> Are you sure those settings are "=y" or "=m") in the other file, and not
> just simply not present?  Changing that one setting may only have altered
> whether those other settings are explicitly included in the .config file,
> and not their value.
>
On the .config that has had CONFIG_CPU_SUP_AMD removed, these settings are
no longer present.

My current understanding is that if a particular CONFIG_ option is not
present in the .config file, it will not be built due to a missing
prerequisite. Do you have a different understanding?