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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 && PCI && X86_LOCAL_APIC
- config XEN_MAX_DOMAIN_MEMORY
- int
- default 500 if X86_64
- default 64 if X86_32
- depends on XEN
- help
- This only affects the sizing of some bss arrays, the unused
- portions of which are freed.
- config XEN_SAVE_RESTORE
- bool
- depends on XEN
- select HIBERNATE_CALLBACKS
- 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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