diff options
Diffstat (limited to 'arch/x86/xen/Kconfig')
| -rw-r--r-- | arch/x86/xen/Kconfig | 68 |
1 files changed, 45 insertions, 23 deletions
diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig index 1aded63a95cb..9b1ec5d8c99c 100644 --- a/arch/x86/xen/Kconfig +++ b/arch/x86/xen/Kconfig @@ -19,47 +19,49 @@ 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_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_PV_DOM0 + def_bool y + depends on XEN_PV && XEN_DOM0 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. + def_bool y + depends on XEN && X86_LOCAL_APIC 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 +config XEN_PVHVM_GUEST + bool "Xen PVHVM guest support" default y + depends on XEN_PVHVM && PCI 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". + Support running as a Xen PVHVM guest. config XEN_SAVE_RESTORE bool @@ -75,7 +77,27 @@ config XEN_DEBUG_FS Enabling this option may incur a significant performance overhead. config XEN_PVH - bool "Support for running as a Xen PVH guest" + 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. |