From 537878d2c988fa12bbfaec19ee060c7603a48230 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 24 Mar 2008 12:29:51 -0700 Subject: hw_random doc updates Update documentation for the hw_random support to be current: - Documentation/hw_random.txt has been updated to reflect the current code: it's a framework now, a "core" with a small sysfs interface, that hardware-specific drivers plug in to. Text specific to Intel hardware is now at the end. - Kconfig now references the Documentation/hw_random.txt file and better explains what this really does. Both chunks of documentation now higlight the fact that the kernel entropy pool is maintained by "rngd", and this driver has nothing directly to do with that important task. Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/hw_random/Kconfig | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'drivers/char') diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 6bbd4fa..8d6c208 100644 --- 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. -- cgit v1.1