linux-kernel - Re: [RFC PATCH 1/3] hw_random: allow RNG devices to give early randomness after a delay

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Message-ID: <20140718091408.GA17266@gondor.apana.org.au>
Date:	Fri, 18 Jul 2014 17:14:08 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Amit Shah <amit.shah@...hat.com>
Cc:	Jason Cooper <jason@...edaemon.net>, linux-kernel@...r.kernel.org,
	Virtualization List <virtualization@...ts.linux-foundation.org>,
	Rusty Russell <rusty@...tcorp.com.au>, keescook@...omium.org
Subject: Re: [RFC PATCH 1/3] hw_random: allow RNG devices to give early
 randomness after a delay

On Fri, Jul 18, 2014 at 02:26:26PM +0530, Amit Shah wrote:
>
> > Sounds like a good idea to me.  Though, changes in core.c that
> > increase the time in hwrng_register() or hwrng_init() may not get
> > noticed by rng drivers and they may suddenly start failing for no
> > apparent reason.  Seems like a far stretch, though.  Does anyone else
> > have an opinion on this?
> 
> Herbert, do you have any preference?

So it's only virtio-rng that's a problem, right? How about if we
abuse the scan hook in virtio and move the hwrng_register there?

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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