| # |
| # This Kconfig describes xen options |
| # |
| |
| config XEN |
| bool "Xen guest support" |
| select PARAVIRT |
| select PARAVIRT_CLOCK |
| depends on X86_64 || (X86_32 && X86_PAE && !X86_VISWS) |
| depends on X86_CMPXCHG && 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_DOM0 |
| def_bool y |
| depends on XEN && PCI_XEN && SWIOTLB_XEN |
| depends on X86_LOCAL_APIC && X86_IO_APIC && ACPI && PCI |
| |
| # Dummy symbol since people have come to rely on the PRIVILEGED_GUEST |
| # name in tools. |
| config XEN_PRIVILEGED_GUEST |
| def_bool XEN_DOM0 |
| |
| config XEN_PVHVM |
| def_bool y |
| depends on XEN |
| depends on X86_LOCAL_APIC |
| |
| config XEN_MAX_DOMAIN_MEMORY |
| int "Maximum allowed size of a domain in gigabytes" |
| default 8 if X86_32 |
| default 32 if X86_64 |
| depends on XEN |
| help |
| The pseudo-physical to machine address array is sized |
| according to the maximum possible memory size of a Xen |
| domain. This array uses 1 page per gigabyte, so there's no |
| need to be too stingy here. |
| |
| config XEN_SAVE_RESTORE |
| bool |
| depends on XEN && PM |
| 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. |
