LXR linux/arch/x86/xen/Kconfig

   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