From d805a78603bb489d71a12466e8f29c5e9837e50a Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 18 Aug 2011 20:13:00 +0100 Subject: um: clean Kconfig up a bit * kill duplicates with drivers/char/Kconfig * take watchdog one into drivers/watchdog/Kconfig * take mmapper to arch/um/Kconfig.um * rename Kconfig.char menu to "UML Character Devices" Signed-off-by: Al Viro Signed-off-by: Richard Weinberger --- drivers/char/hw_random/Kconfig | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'drivers/char') diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 1d2ebc7a4947..e5cd79c5adf1 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -222,3 +222,18 @@ config HW_RANDOM_PPC4XX module will be called ppc4xx-rng. If unsure, say N. + +config UML_RANDOM + depends on UML + tristate "Hardware random number generator" + help + This option enables UML's "hardware" random number generator. It + attaches itself to the host's /dev/random, supplying as much entropy + as the host has, rather than the small amount the UML gets from its + own drivers. It registers itself as a standard hardware random number + generator, major 10, minor 183, and the canonical device name is + /dev/hwrng. + The way to make use of this is to install the rng-tools package + (check your distro, or download from + http://sourceforge.net/projects/gkernel/). rngd periodically reads + /dev/hwrng and injects the entropy into /dev/random. -- cgit v1.2.3