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- #
- # This Kconfig describes xen options
- #
- config XEN
- bool "Xen guest support"
- select PARAVIRT
- select PARAVIRT_CLOCK
- depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS)
- depends on X86_CMPXCHG && X86_TSC
- help
- This is the Linux Xen port. Enabling this will allow the
- kernel to boot in a paravirtualized environment under the
- Xen hypervisor.
- config XEN_DOM0
- def_bool y
- depends on XEN && PCI_XEN && SWIOTLB_XEN
- depends on X86_LOCAL_APIC && X86_IO_APIC && ACPI && PCI
- # Dummy symbol since people have come to rely on the PRIVILEGED_GUEST
- # name in tools.
- config XEN_PRIVILEGED_GUEST
- def_bool XEN_DOM0
- config XEN_PVHVM
- def_bool y
- depends on XEN
- depends on X86_LOCAL_APIC
- config XEN_MAX_DOMAIN_MEMORY
- int "Maximum allowed size of a domain in gigabytes"
- default 8 if X86_32
- default 32 if X86_64
- depends on XEN
- help
- The pseudo-physical to machine address array is sized
- according to the maximum possible memory size of a Xen
- domain. This array uses 1 page per gigabyte, so there's no
- need to be too stingy here.
- config XEN_SAVE_RESTORE
- bool
- depends on XEN && PM
- default y
- config XEN_DEBUG_FS
- bool "Enable Xen debug and tuning parameters in debugfs"
- depends on XEN && DEBUG_FS
- default n
- help
- Enable statistics output and various tuning options in debugfs.
- Enabling this option may incur a significant performance overhead.
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