# # This Kconfig describes xen options # config XEN bool "Xen guest support" select PARAVIRT depends on X86_32 depends on X86_CMPXCHG && X86_TSC && X86_PAE && !(X86_VISWS || X86_VOYAGER) help This is the Linux Xen port. Enabling this will allow the kernel to boot in a paravirtualized environment under the Xen hypervisor. config XEN_MAX_DOMAIN_MEMORY int "Maximum allowed size of a domain in gigabytes" default 8 depends on XEN help The pseudo-physical to machine address array is sized according to the maximum possible memory size of a Xen domain. This array uses 1 page per gigabyte, so there's no need to be too stingy here.