# # 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 default 128 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 && 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. config XEN_DEBUG bool "Enable Xen debug checks" depends on XEN default n help Enable various WARN_ON checks in the Xen MMU code. Enabling this option WILL incur a significant performance overhead.