arch/x86/xen/Kconfig v5.13-rc1

XEN

Xen guest support

This is the Linux Xen port.  Enabling this will allow the
kernel to boot in a paravirtualized environment under the
Xen hypervisor.

XEN_PV

Xen PV guest support

Support running as a Xen PV guest.

XEN_512GB

Limit Xen pv-domain memory to 512GB

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".

XEN_DOM0

Xen PV Dom0 support

Support running as a Xen PV Dom0 guest.

XEN_PVHVM_GUEST

Xen PVHVM guest support

Support running as a Xen PVHVM guest.

XEN_DEBUG_FS

Enable Xen debug and tuning parameters in debugfs

Enable statistics output and various tuning options in debugfs.
Enabling this option may incur a significant performance overhead.

XEN_PVH

Xen PVH guest support

Support for running as a Xen PVH guest.