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Date:	Wed, 7 Oct 2015 16:54:36 -0700
From:	Alexei Starovoitov <>
To:	Daniel Borkmann <>,
Subject: Re: [PATCH net-next v2 4/5] random32: add prandom_init_once helper
 for own rngs

On 10/7/15 4:20 PM, Daniel Borkmann wrote:
> Add a prandom_init_once() facility that works on the rnd_state, so that
> users that are keeping their own state independent from prandom_u32() can
> initialize their taus113 per cpu states.
> The motivation here is similar to net_get_random_once(): initialize the
> state as late as possible in the hope that enough entropy has been
> collected for the seeding. prandom_init_once() makes use of the recently
> introduced prandom_seed_full_state() helper and is generic enough so that
> it could also be used on fast-paths due to the DO_ONCE().
> Signed-off-by: Daniel Borkmann<>
> Acked-by: Hannes Frederic Sowa<>

Acked-by: Alexei Starovoitov <>

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