Re: [PATCH 2/2] random: Account for entropy loss due to overwrites

From: H. Peter Anvin
Date: Thu Apr 25 2013 - 10:50:31 EST

On 04/25/2013 07:44 AM, H. Peter Anvin wrote:
> OK, so we need to track fractional bits.

Ted, Linus: there are two ways we can do this: we can either change the
credit_entropy_bits() interface to take some kind of fractional bits as
interface, or we can change the accounting internally.

The latter has the advantage of being a less invasive change, but the
former has the advantage of making it possible to credit sub-bit entropy.

Do you have a preference? Otherwise I will probably write up the
internal change for now.


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