Kconfig 1.3 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253
  1. #
  2. # This Kconfig describes xen options
  3. #
  4. config XEN
  5. bool "Xen guest support"
  6. select PARAVIRT
  7. select PARAVIRT_CLOCK
  8. select XEN_HAVE_PVMMU
  9. depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS)
  10. depends on X86_TSC
  11. help
  12. This is the Linux Xen port. Enabling this will allow the
  13. kernel to boot in a paravirtualized environment under the
  14. Xen hypervisor.
  15. config XEN_DOM0
  16. def_bool y
  17. depends on XEN && PCI_XEN && SWIOTLB_XEN
  18. depends on X86_LOCAL_APIC && X86_IO_APIC && ACPI && PCI
  19. # Dummy symbol since people have come to rely on the PRIVILEGED_GUEST
  20. # name in tools.
  21. config XEN_PRIVILEGED_GUEST
  22. def_bool XEN_DOM0
  23. config XEN_PVHVM
  24. def_bool y
  25. depends on XEN && PCI && X86_LOCAL_APIC
  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. config XEN_SAVE_RESTORE
  35. bool
  36. depends on XEN
  37. select HIBERNATE_CALLBACKS
  38. default y
  39. config XEN_DEBUG_FS
  40. bool "Enable Xen debug and tuning parameters in debugfs"
  41. depends on XEN && DEBUG_FS
  42. default n
  43. help
  44. Enable statistics output and various tuning options in debugfs.
  45. Enabling this option may incur a significant performance overhead.