Hi Herbert,

On 12 July 2017 at 15:43, Herbert Xu <herb...@gondor.apana.org.au> wrote:
> Hmm, one usage scenario for /dev/hwrng is to feed rngd which then
> feeds into /dev/random.  In that case it may not be desirable to
> allow arbitrary access to hwrgn since it may cause the rate of
> entropy going into /dev/random to go down.
> In any case, as you noted userspace can change this anyway so I
> don't see why we need to make this policy change in the kernel.

Looking at the comment in
I am wondering whether your concern is a problem. I do not know
whether the comment in Android source is valid so please ignore my


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