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+# SPDX-License-Identifier: GPL-2.0
+#
+# This Kconfig describes xen options
+#
+
+config XEN
+ bool "Xen guest support"
+ depends on PARAVIRT
+ select PARAVIRT_CLOCK
+ depends on X86_64 || (X86_32 && X86_PAE)
+ depends on X86_LOCAL_APIC && 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_PV
+ bool "Xen PV guest support"
+ default y
+ depends on XEN
+ select XEN_HAVE_PVMMU
+ select XEN_HAVE_VPMU
+ help
+ Support running as a Xen PV guest.
+
+config XEN_PV_SMP
+ def_bool y
+ depends on XEN_PV && SMP
+
+config XEN_DOM0
+ bool "Xen PV Dom0 support"
+ default y
+ depends on XEN_PV && PCI_XEN && SWIOTLB_XEN
+ depends on X86_IO_APIC && ACPI && PCI
+ help
+ Support running as a Xen PV Dom0 guest.
+
+config XEN_PVHVM
+ bool "Xen PVHVM guest support"
+ default y
+ depends on XEN && PCI && X86_LOCAL_APIC
+ help
+ Support running as a Xen PVHVM guest.
+
+config XEN_PVHVM_SMP
+ def_bool y
+ depends on XEN_PVHVM && SMP
+
+config XEN_512GB
+ bool "Limit Xen pv-domain memory to 512GB"
+ depends on XEN_PV && X86_64
+ default y
+ help
+ Limit paravirtualized user domains to 512GB of RAM.
+
+ The Xen tools and crash dump analysis tools might not support
+ pv-domains with more than 512 GB of RAM. This option controls the
+ default setting of the kernel to use only up to 512 GB or more.
+ It is always possible to change the default via specifying the
+ boot parameter "xen_512gb_limit".
+
+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.
+
+config XEN_PVH
+ bool "Support for running as a PVH guest"
+ depends on XEN && XEN_PVHVM && ACPI
+ def_bool n