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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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