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)
  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
  22config XEN_PVHVM
  23        def_bool y
  24        depends on XEN && PCI && X86_LOCAL_APIC
  25
  26config XEN_MAX_DOMAIN_MEMORY
  27       int
  28       default 500 if X86_64
  29       default 64 if X86_32
  30       depends on XEN
  31       help
  32         This only affects the sizing of some bss arrays, the unused
  33         portions of which are freed.
  34
  35config XEN_SAVE_RESTORE
  36       bool
  37       depends on XEN
  38       select HIBERNATE_CALLBACKS
  39       default y
  40
  41config XEN_DEBUG_FS
  42        bool "Enable Xen debug and tuning parameters in debugfs"
  43        depends on XEN && DEBUG_FS
  44        default n
  45        help
  46          Enable statistics output and various tuning options in debugfs.
  47          Enabling this option may incur a significant performance overhead.
  48
  49config XEN_PVH
  50        bool "Support for running as a PVH guest"
  51        depends on X86_64 && XEN && XEN_PVHVM
  52        def_bool n
  53