virtio: An entropy device, as suggested by hpa.

[linux-2.6-omap-h63xx.git] / drivers / char / hw_random / Kconfig

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 6bbd4fa50f3b87458a56dbc155288f1e21b5a64d..efd0b4db7c8ed6c5d6c6bbc5a473466f898fdf1d 100644 (file)
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -9,7 +9,14 @@ config HW_RANDOM
          Hardware Random Number Generator Core infrastructure.
 
          To compile this driver as a module, choose M here: the
-         module will be called rng-core.
+         module will be called rng-core.  This provides a device
+         that's usually called /dev/hw_random, and which exposes one
+         of possibly several hardware random number generators.
+
+         These hardware random number generators do not feed directly
+         into the kernel's random number generator.  That is usually
+         handled by the "rngd" daemon.  Documentation/hw_random.txt
+         has more information.
 
          If unsure, say Y.
 
@@ -105,3 +112,12 @@ config HW_RANDOM_PASEMI
 
          If unsure, say Y.
 
+config HW_RANDOM_VIRTIO
+       tristate "VirtIO Random Number Generator support"
+       depends on HW_RANDOM && VIRTIO
+       ---help---
+         This driver provides kernel-side support for the virtual Random Number
+         Generator hardware.
+
+         To compile this driver as a module, choose M here: the
+         module will be called virtio-rng.  If unsure, say N.