Kconfig 974 B

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  1. #
  2. # This Kconfig describes xen options
  3. #
  4. config XEN
  5. bool "Xen guest support"
  6. select PARAVIRT
  7. select PARAVIRT_CLOCK
  8. depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS)
  9. depends on X86_CMPXCHG && X86_TSC
  10. help
  11. This is the Linux Xen port. Enabling this will allow the
  12. kernel to boot in a paravirtualized environment under the
  13. Xen hypervisor.
  14. config XEN_PVHVM
  15. def_bool y
  16. depends on XEN
  17. depends on X86_LOCAL_APIC
  18. config XEN_MAX_DOMAIN_MEMORY
  19. int
  20. default 128
  21. depends on XEN
  22. help
  23. This only affects the sizing of some bss arrays, the unused
  24. portions of which are freed.
  25. config XEN_SAVE_RESTORE
  26. bool
  27. depends on XEN && PM
  28. default y
  29. config XEN_DEBUG_FS
  30. bool "Enable Xen debug and tuning parameters in debugfs"
  31. depends on XEN && DEBUG_FS
  32. default n
  33. help
  34. Enable statistics output and various tuning options in debugfs.
  35. Enabling this option may incur a significant performance overhead.