2022-06-07 16:31:28

by Phil Elwell

[permalink] [raw]
Subject: Re: [PATCH v3] random: defer crediting bootloader randomness to random_init()

Jason,

On 07/06/2022 14:51, Jason A. Donenfeld wrote:
> Hi Phil,
>
> And this one also works, I assume?
>
> https://lore.kernel.org/lkml/[email protected]/

Using the metrics "earlier is better2 and "shorter is better", that patch wins
on both counts:

With 5.15.45 + CONFIG_RANDOM_TRUST_BOOTLOADER=y:
[ 0.000000] random: crng init done
[ 1.985290] bcm2835-rng 3f104000.rng: hwrng registered

With rpi-5.15.y:
[ 0.000000] random: crng init done
[ 1.969552] bcm2835-rng 3f104000.rng: hwrng registered

No splats in either, of course.

Phil