1 # SPDX-License-Identifier: GPL-2.0 2 # 3 # This Kconfig describes xen options 4 # 5 6 config XEN 7 bool "Xen guest support" 8 depends on PARAVIRT 9 select PARAVIRT_CLOCK 10 select X86_HV_CALLBACK_VECTOR 11 depends on X86_64 || (X86_32 && X86_PA 12 depends on X86_64 || (X86_GENERIC || M 13 depends on X86_LOCAL_APIC && X86_TSC 14 help 15 This is the Linux Xen port. Enablin 16 kernel to boot in a paravirtualized 17 Xen hypervisor. 18 19 config XEN_PV 20 bool "Xen PV guest support" 21 default y 22 depends on XEN 23 depends on X86_64 24 select PARAVIRT_XXL 25 select XEN_HAVE_PVMMU 26 select XEN_HAVE_VPMU 27 select GUEST_PERF_EVENTS 28 help 29 Support running as a Xen PV guest. 30 31 config XEN_512GB 32 bool "Limit Xen pv-domain memory to 51 33 depends on XEN_PV 34 default y 35 help 36 Limit paravirtualized user domains t 37 38 The Xen tools and crash dump analysi 39 pv-domains with more than 512 GB of 40 default setting of the kernel to use 41 It is always possible to change the 42 boot parameter "xen_512gb_limit". 43 44 config XEN_PV_SMP 45 def_bool y 46 depends on XEN_PV && SMP 47 48 config XEN_PV_DOM0 49 def_bool y 50 depends on XEN_PV && XEN_DOM0 51 52 config XEN_PVHVM 53 def_bool y 54 depends on XEN && X86_LOCAL_APIC 55 56 config XEN_PVHVM_SMP 57 def_bool y 58 depends on XEN_PVHVM && SMP 59 60 config XEN_PVHVM_GUEST 61 bool "Xen PVHVM guest support" 62 default y 63 depends on XEN_PVHVM && PCI 64 help 65 Support running as a Xen PVHVM guest 66 67 config XEN_SAVE_RESTORE 68 bool 69 depends on XEN 70 select HIBERNATE_CALLBACKS 71 default y 72 73 config XEN_DEBUG_FS 74 bool "Enable Xen debug and tuning para 75 depends on XEN && DEBUG_FS 76 help 77 Enable statistics output and various 78 Enabling this option may incur a sig 79 80 config XEN_PVH 81 bool "Xen PVH guest support" 82 depends on XEN && XEN_PVHVM && ACPI 83 select PVH 84 help 85 Support for running as a Xen PVH gue 86 87 config XEN_DOM0 88 bool "Xen Dom0 support" 89 default XEN_PV 90 depends on (XEN_PV && SWIOTLB_XEN) || 91 depends on X86_IO_APIC && ACPI && PCI 92 select X86_X2APIC if XEN_PVH && X86_64 93 help 94 Support running as a Xen Dom0 guest. 95 96 config XEN_PV_MSR_SAFE 97 bool "Always use safe MSR accesses in 98 default y 99 depends on XEN_PV 100 help 101 Use safe (not faulting) MSR access f 102 should not fault anyway. 103 The default can be changed by using
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