diff options
| author | Al Viro <viro@ftp.linux.org.uk> | 2011-08-18 20:13:00 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2011-11-02 14:15:29 +0100 |
| commit | d805a78603bb489d71a12466e8f29c5e9837e50a (patch) | |
| tree | 12d7273a3cbd4f28e833232e9d884b6c3b7f904e /drivers/char | |
| parent | bad3118fcdeb4b7b5bf18cb40b2548cf891646b2 (diff) | |
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 <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hw_random/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 1d2ebc7a494..e5cd79c5adf 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. |