Am Dienstag, 18. Juli 2017, 11:02:02 CEST schrieb Arnd Bergmann:

Hi Arnd,
> 
> I can see why the jitterentropy implementation avoids using kernel headers,
> the problem now is that part of it gets moved into a new header, and that
> already violates the original principle.
> 
> From my reading of the code, we could probably leave the structure
> definition in the crypto/jitterentropy.c, and have the statically
> allocated instance in the same file when CONFIG_LRNG is
> set,

That is a very good idea -- I will implement this approach.

> or provide a way to allocate an instance early (I assume you
> can't call jent_entropy_collector_alloc() here since you need
> the RNG long before kzalloc() works).

Correct. I cannot assume that any of the memory allocation routines are 
available.

Thank you.

Ciao
Stephan

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