linux-kernel - Re: [PATCH v5 1/5] random: Async and sync API for accessing nonblocking

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Message-ID: <20150511092829.GA4014@gondor.apana.org.au>
Date:	Mon, 11 May 2015 17:28:29 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Stephan Mueller <smueller@...onox.de>
Cc:	pebolle@...cali.nl, andreas.steffen@...ongswan.org, tytso@....edu,
	sandyinchina@...il.com, linux-kernel@...r.kernel.org,
	linux-crypto@...r.kernel.org
Subject: Re: [PATCH v5 1/5] random: Async and sync API for accessing
 nonblocking_pool

On Mon, May 11, 2015 at 09:30:11AM +0200, Stephan Mueller wrote:
>
> I will remove that in the next installment. But that means that the DRBG 
> kernel module (or any other module) cannot be unloaded until the work 
> completes.

I don't think that's a big deal.

> Are you suggesting to only leave get_blocking_random_bytes and have the caller 
> implementing the appropriate synchronous wait or async work?

No there should just be a single interface where you feed it a
function pointer and a data pointer.  This function should then
be called when the pool is ready.

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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