drivers/vhost/Kconfig.vringh - kernel/common - Git at Google

 config VHOST_RING
 	tristate
 	---help---
 	  This option is selected by any driver which needs to access
 	  the host side of a virtio ring.
	config VHOST_RING
	tristate
	---help---
	This option is selected by any driver which needs to access
	the host side of a virtio ring.