[PATCH v4 03/11] riscv: use fallback for random_get_entropy() instead of zero

Jason A. Donenfeld Jason at zx2c4.com
Wed Apr 13 15:40:19 PDT 2022


Hi Rob,

On Wed, Apr 13, 2022 at 4:40 PM Rob Herring <robh at kernel.org> wrote:
> Moving this check to get_cycles() implementation would eliminate the
> RiscV implementation of random_get_entropy() if you follow my other
> suggestion.

Not an option. random_get_entropy() != get_cycles(). Sometimes these
are different functions. Returning random_get_entropy_fallback() from
get_cycles(), for example, wouldn't make any sense.

Jason



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