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SubjectRe: [PATCH] random: credit architectural init the exact amount
Am Thu, May 12, 2022 at 03:38:35PM +0200 schrieb Jason A. Donenfeld:
> RDRAND and RDSEED can fail sometimes, which is fine. We currently
> initialize the RNG with 512 bits of RDRAND/RDSEED. We only need 256 bits
> of those to succeed in order to initialize the RNG. Instead of the
> current "all or nothing" approach, actually credit these contributions
> the amount that is actually contributed.
>
> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
> ---
> drivers/char/random.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/char/random.c b/drivers/char/random.c
> index bd80d74a7f8c..9ffa41c5e092 100644
> --- a/drivers/char/random.c
> +++ b/drivers/char/random.c
> @@ -934,9 +934,8 @@ static struct notifier_block pm_notifier = { .notifier_call = random_pm_notifica
> */
> int __init random_init(const char *command_line)
> {
> - size_t i;
> ktime_t now = ktime_get_real();
> - bool arch_init = true;
> + unsigned int i, arch_init;

Maybe s/arch_init/arch_init_cnt/g to clarify that this is now used as a
counter?

Otherwise, looks good:

Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>

Thanks,
Dominik

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