default or selected kernelversion does not have config value CONFIG_VIRTIO_RING.
Result is shown for kernelversion 6.2.5

CONFIG_VIRTIO_RING (not configurable)

modulename: virtio_ring.ko

configname: CONFIG_VIRTIO_RING

Linux Kernel Configuration
└─>Device Drivers
└─>VIRTIO_RING
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
source code:
drivers/virtio/virtio_ring.c
depends
CONFIG_VIRTIO