[PATCH] um: seed rng using host OS rng

[Johannes Berg]

On Wed, 2022-07-13 at 07:58 +0100, Anton Ivanov wrote:
> 
> IIRC UML RNG device reads directly from host.

Yes, but that's a /dev/hwrng device, so you still need some userspace to
feed entropy from that into /dev/random.

> If you are using UMLs own /dev/random you are effectively using the host 
> one.

> So unless I am mistaken, you need extra randomness only if you do not 
> have UMLs /dev/random compiled in.

No, neither of those is true.

johannes