1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index e023682be2c4..3141dd3b6e53 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -666,6 +666,14 @@ config VIRTIO_CONSOLE
         help
           Virtio console for use with lguest and other hypervisors.
 
+          Also serves as a general-purpose serial device for data
+          transfer between the guest and host.  Character devices at
+          /dev/vportNpn will be created when corresponding ports are
+          found, where N is the device number and n is the port number
+          within that device.  If specified by the host, a sysfs
+          attribute called 'name' will be populated with a name for
+          the port which can be used by udev scripts to create a
+          symlink to the device.
 
 config HVCS
         tristate "IBM Hypervisor Virtual Console Server support"