# # This Kconfig describes xen options # config XEN bool "Xen guest support" depends on PARAVIRT select PARAVIRT_CLOCK select XEN_HAVE_PVMMU depends on X86_64 || (X86_32 && X86_PAE) depends on X86_TSC 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_DOM0 def_bool y depends on XEN && PCI_XEN && SWIOTLB_XEN depends on X86_LOCAL_APIC && X86_IO_APIC && ACPI && PCI config XEN_PVHVM def_bool y depends on XEN && PCI && X86_LOCAL_APIC config XEN_MAX_DOMAIN_MEMORY int default 500 if X86_64 default 64 if X86_32 depends on XEN help This only affects the sizing of some bss arrays, the unused portions of which are freed. config XEN_SAVE_RESTORE bool depends on XEN select HIBERNATE_CALLBACKS default y config XEN_DEBUG_FS bool "Enable Xen debug and tuning parameters in debugfs" depends on XEN && DEBUG_FS default n help Enable statistics output and various tuning options in debugfs. Enabling this option may incur a significant performance overhead. config XEN_PVH bool "Support for running as a PVH guest" depends on X86_64 && XEN && XEN_PVHVM def_bool n