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Diffstat (limited to 'arch/x86/xen/Kconfig')
| -rw-r--r-- | arch/x86/xen/Kconfig | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig new file mode 100644 index 000000000..a65fc2ae1 --- /dev/null +++ b/arch/x86/xen/Kconfig @@ -0,0 +1,104 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# This Kconfig describes xen options +# + +config XEN + bool "Xen guest support" + depends on PARAVIRT + select PARAVIRT_CLOCK + select X86_HV_CALLBACK_VECTOR + depends on X86_64 || (X86_32 && X86_PAE) + depends on X86_64 || (X86_GENERIC || MPENTIUM4 || MCORE2 || MATOM || MK8) + 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 + depends on X86_64 + select PARAVIRT_XXL + select XEN_HAVE_PVMMU + select XEN_HAVE_VPMU + select GUEST_PERF_EVENTS + help + Support running as a Xen PV guest. + +config XEN_512GB + bool "Limit Xen pv-domain memory to 512GB" + depends on XEN_PV + 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_PV_SMP + def_bool y + depends on XEN_PV && SMP + +config XEN_PV_DOM0 + def_bool y + depends on XEN_PV && XEN_DOM0 + +config XEN_PVHVM + def_bool y + depends on XEN && X86_LOCAL_APIC + +config XEN_PVHVM_SMP + def_bool y + depends on XEN_PVHVM && SMP + +config XEN_PVHVM_GUEST + bool "Xen PVHVM guest support" + default y + depends on XEN_PVHVM && PCI + help + Support running as a Xen PVHVM guest. + +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 + help + Enable statistics output and various tuning options in debugfs. + Enabling this option may incur a significant performance overhead. + +config XEN_PVH + bool "Xen PVH guest support" + depends on XEN && XEN_PVHVM && ACPI + select PVH + def_bool n + help + Support for running as a Xen PVH guest. + +config XEN_DOM0 + bool "Xen Dom0 support" + default XEN_PV + depends on (XEN_PV && SWIOTLB_XEN) || (XEN_PVH && X86_64) + depends on X86_IO_APIC && ACPI && PCI + select X86_X2APIC if XEN_PVH && X86_64 + help + Support running as a Xen Dom0 guest. + +config XEN_PV_MSR_SAFE + bool "Always use safe MSR accesses in PV guests" + default y + depends on XEN_PV + help + Use safe (not faulting) MSR access functions even if the MSR access + should not fault anyway. + The default can be changed by using the "xen_msr_safe" boot parameter. |