linux-kernel - Re: [PATCH] random: use hwgenerator randomness more frequently at early boot

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Message-ID: <YxiWajR2FEW6YRud@zx2c4.com>
Date:   Wed, 7 Sep 2022 15:02:34 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Dominik Brodowski <linux@...inikbrodowski.net>
Cc:     linux-kernel@...r.kernel.org,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-crypto@...r.kernel.org
Subject: Re: [PATCH] random: use hwgenerator randomness more frequently at
 early boot

Hi Dominik,

On Sun, Sep 04, 2022 at 12:17:53PM +0200, Dominik Brodowski wrote:
> Mix in randomness from hw-rng sources more frequently during early
> boot, approximately once for every rng reseed.

Nice idea.

> Jason, if you prefer that this patch can be applied first (as it
> makes sense also independently of the other patch), this ordering
> should be trivial to change.

I'll apply this patch first, yea, since it's independent.

> -static bool crng_has_old_seed(void)
> +static unsigned int crng_interval(void)

crng_reseed_interval() instead?

Jason