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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 || X86_VOYAGER))
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_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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