arch/x86/xen/Kconfig

   1 #
   2 # This Kconfig describes xen options
   3 #
   4
   5 config 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
  17 config 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 config XEN_PVHVM
  23         def_bool y
  24         depends on XEN && PCI && X86_LOCAL_APIC
  25
  26 config 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
  35 config XEN_SAVE_RESTORE
  36        bool
  37        depends on XEN
  38        select HIBERNATE_CALLBACKS
  39        default y
  40
  41 config 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
  49 config XEN_PVH
  50         bool "Support for running as a PVH guest"
  51         depends on X86_64 && XEN && XEN_PVHVM
  52         def_bool n