linux-kernel - Re: [RFC PATCH v12 2/4] random: conditionally compile code depending on LRNG

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Message-ID: <CAK8P3a2aQ8nJUjo76Vwt-vkPUoa9BT616ZVZWsVykHHiz4Pdpw@mail.gmail.com>
Date:   Tue, 18 Jul 2017 10:13:55 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Stephan Müller <smueller@...onox.de>
Cc:     "Jason A. Donenfeld" <jason@...c4.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-crypto@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH v12 2/4] random: conditionally compile code depending
 on LRNG

On Tue, Jul 18, 2017 at 9:58 AM, Stephan Müller <smueller@...onox.de> wrote:
> When selecting the LRNG for compilation, disable add_disk_randomness and
> its supporting function.
>
> CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> CC: Arnd Bergmann <arnd@...db.de>
> CC: Jason A. Donenfeld <Jason@...c4.com>
> Signed-off-by: Stephan Mueller <smueller@...onox.de>

I think this needs a better explanation. Why do we ignore the extra
entropy here?

       Arnd