grub2 doesn't have the concept of "Xen-only" kernels; instead, it offers anything with CONFIG_XEN_DOM0=y on Xen *as well* if you have a Xen hypervisor installed.
grub2 doesn't have the concept of "Xen-only" kernels; instead, it offers anything with CONFIG_XEN_DOM0=y on Xen *as well* if you have a Xen hypervisor installed.