Enable extended xen support

Packages describing “xen” as local USE flag

Package “xen” Flag Description
sys-apps/kexec-tools Enable extended xen support
sys-cluster/drbd-utils Enable Xen integration
app-emulation/hyperd Enable support for the Xen Hypervisor
app-emulation/qemu Enables support for Xen backends
app-emulation/runv Enable support for the Xen Hypervisor
app-emulation/libvirt Support management of Xen virtualisation (app-emulation/xen)
dev-lang/mono Make mono generate code that is considerably faster on xen VMs but slightly slower on for normal systems.
net-analyzer/netdata Enable monitoring of xen

All packages providing a “xen” USE flag (8)