Re: [PATCH] um: Rewrite host RNG driver.

Johannes Berg
2019-08-29T13:37:44Z

On Wed, 2019-08-28 at 21:44 -0400, Alexander Neville wrote:
> The old driver had a bug that would cause it to outright stop working if
> the host's /dev/random were to block. Instead of trying to track down
> the cause of said bug, rewriting it from scratch turned out to be a much
> better option as it came with a few benefits:
>
> - The new driver properly registers itself as an hardware RNG.
>
> - The code is simpler and therefore easier to maintain.
>
> - It serves as a minimal example of writing a hardware RNG driver.
>
> I also edited the Kconfig symbol to bring it up to more modern
> standards.

I realize that it's still easier to use, but theoretically you could
just use the virtio implementation, and use that driver with a suitable
small vhost device implementation. :-)

johannes