1 # SPDX-License-Identifier: GPL-2.0
3 # This Kconfig describes xen options
7 bool "Xen guest support"
10 select X86_HV_CALLBACK_VECTOR
11 depends on X86_64 || (X86_32 && X86_PAE)
12 depends on X86_LOCAL_APIC && X86_TSC
14 This is the Linux Xen port. Enabling this will allow the
15 kernel to boot in a paravirtualized environment under the
19 bool "Xen PV guest support"
27 Support running as a Xen PV guest.
30 bool "Limit Xen pv-domain memory to 512GB"
34 Limit paravirtualized user domains to 512GB of RAM.
36 The Xen tools and crash dump analysis tools might not support
37 pv-domains with more than 512 GB of RAM. This option controls the
38 default setting of the kernel to use only up to 512 GB or more.
39 It is always possible to change the default via specifying the
40 boot parameter "xen_512gb_limit".
44 depends on XEN_PV && SMP
48 depends on XEN_PV && XEN_DOM0
52 depends on XEN && X86_LOCAL_APIC
56 depends on XEN_PVHVM && SMP
58 config XEN_PVHVM_GUEST
59 bool "Xen PVHVM guest support"
61 depends on XEN_PVHVM && PCI
63 Support running as a Xen PVHVM guest.
65 config XEN_SAVE_RESTORE
68 select HIBERNATE_CALLBACKS
72 bool "Enable Xen debug and tuning parameters in debugfs"
73 depends on XEN && DEBUG_FS
75 Enable statistics output and various tuning options in debugfs.
76 Enabling this option may incur a significant performance overhead.
79 bool "Xen PVH guest support"
80 depends on XEN && XEN_PVHVM && ACPI
84 Support for running as a Xen PVH guest.
87 bool "Xen Dom0 support"
89 depends on (XEN_PV && SWIOTLB_XEN) || (XEN_PVH && X86_64)
90 depends on X86_IO_APIC && ACPI && PCI
91 select X86_X2APIC if XEN_PVH && X86_64
93 Support running as a Xen Dom0 guest.