1# 2# This Kconfig describes xen options 3# 4 5config XEN 6 bool "Xen guest support" 7 depends on PARAVIRT 8 select PARAVIRT_CLOCK 9 select XEN_HAVE_PVMMU 10 depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS) 11 depends on X86_TSC 12 help 13 This is the Linux Xen port. Enabling this will allow the 14 kernel to boot in a paravirtualized environment under the 15 Xen hypervisor. 16 17config XEN_DOM0 18 def_bool y 19 depends on XEN && PCI_XEN && SWIOTLB_XEN 20 depends on X86_LOCAL_APIC && X86_IO_APIC && ACPI && PCI 21 22# Dummy symbol since people have come to rely on the PRIVILEGED_GUEST 23# name in tools. 24config XEN_PRIVILEGED_GUEST 25 def_bool XEN_DOM0 26 27config XEN_PVHVM 28 def_bool y 29 depends on XEN && PCI && X86_LOCAL_APIC 30 31config XEN_MAX_DOMAIN_MEMORY 32 int 33 default 500 if X86_64 34 default 64 if X86_32 35 depends on XEN 36 help 37 This only affects the sizing of some bss arrays, the unused 38 portions of which are freed. 39 40config XEN_SAVE_RESTORE 41 bool 42 depends on XEN 43 select HIBERNATE_CALLBACKS 44 default y 45 46config XEN_DEBUG_FS 47 bool "Enable Xen debug and tuning parameters in debugfs" 48 depends on XEN && DEBUG_FS 49 default n 50 help 51 Enable statistics output and various tuning options in debugfs. 52 Enabling this option may incur a significant performance overhead. 53 54