How to enable xenguest in linuxkernel

Processortypeandfeatures? Paravirtualizedguestsupport? After Xenguestsupport selects this option, options such as Xenmemoryballoondriver are available under DeviceDrivers. it is enabled by default. Xennetwor under Networkdevicesupport

Processor type and features? Paravirtualized guest support? Xen guest support

After this option is selected, options such as Xen memory balloon driver are available in Device Drivers. it is enabled by default. Xen Network device frontend driver is also available under network device support, which is also enabled by default. The configuration is as follows:

[Root @ test linux] # grep xen-I. config
CONFIG_XEN = y
CONFIG_XEN_MAX_DOMAIN_MEMORY = 16
CONFIG_XEN_SAVE_RESTORE = y
CONFIG_XEN_BLKDEV_FRONTEND = y
CONFIG_XEN_NETDEV_FRONTEND = y
CONFIG_HVC_XEN = y
CONFIG_XEN_BALLOON = y
CONFIG_XEN_SCRUB_PAGES = y
CONFIG_XEN_DEV_EVTCHN = y
CONFIG_XENFS = y
CONFIG_XEN_COMPAT_XENFS = y
CONFIG_XEN_SYS_HYPERVISOR = y