ca65f9fc0c
This patch introduce a CONFIG_XEN_PVHVM compile time option to enable/disable Xen PV on HVM support. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
44 lines
1.2 KiB
Text
44 lines
1.2 KiB
Text
#
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# This Kconfig describes xen options
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#
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config XEN
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bool "Xen guest support"
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select PARAVIRT
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select PARAVIRT_CLOCK
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depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS)
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depends on X86_CMPXCHG && X86_TSC
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help
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This is the Linux Xen port. Enabling this will allow the
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kernel to boot in a paravirtualized environment under the
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Xen hypervisor.
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config XEN_PVHVM
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def_bool y
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depends on XEN
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depends on X86_LOCAL_APIC
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config XEN_MAX_DOMAIN_MEMORY
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int "Maximum allowed size of a domain in gigabytes"
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default 8 if X86_32
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default 32 if X86_64
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depends on XEN
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help
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The pseudo-physical to machine address array is sized
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according to the maximum possible memory size of a Xen
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domain. This array uses 1 page per gigabyte, so there's no
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need to be too stingy here.
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config XEN_SAVE_RESTORE
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bool
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depends on XEN && PM
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default y
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config XEN_DEBUG_FS
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bool "Enable Xen debug and tuning parameters in debugfs"
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depends on XEN && DEBUG_FS
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default n
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help
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Enable statistics output and various tuning options in debugfs.
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Enabling this option may incur a significant performance overhead.
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