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From: Stephan Mueller <smueller@chronox.de>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: pebolle@tiscali.nl, andreas.steffen@strongswan.org,
	tytso@mit.edu, sandyinchina@gmail.com,
	linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: random: Wake up all getrandom(2) callers when pool is ready
Date: Thu, 21 May 2015 10:36:47 +0200	[thread overview]
Message-ID: <9183463.XNhR7e5TNc@tauon> (raw)
In-Reply-To: <20150521081953.GA22301@gondor.apana.org.au>

Am Donnerstag, 21. Mai 2015, 16:19:54 schrieb Herbert Xu:

Hi Herbert,

>On Thu, May 21, 2015 at 09:55:17AM +0200, Stephan Mueller wrote:
>> So, I will create a 2nd wait queue in random.c for uninterruptible waits,
>> change the get_blocking_random_bytes back to void and use wait_event to
>> wait
>> for the initialization.
>
>Hold your horses.  You don't need a second queue, you just need to
>change wake_up_interruptible to wake_up.

A simple change to wake_up is not working -- I already checked. But the 
proposed wake_up_all does the trick.


Ciao
Stephan

  reply	other threads:[~2015-05-21  8:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-20 20:02 [PATCH v9 0/5] Seeding DRBG with more entropy Stephan Mueller
2015-05-20 20:02 ` [PATCH v9 1/5] random: Blocking API for accessing nonblocking_pool Stephan Mueller
2015-05-20 20:03 ` [PATCH v9 2/5] crypto: drbg - prepare for async seeding Stephan Mueller
2015-05-20 20:03 ` [PATCH v9 3/5] crypto: drbg - add async seeding operation Stephan Mueller
2015-05-20 21:44   ` Herbert Xu
2015-05-21  6:10     ` Stephan Mueller
2015-05-21  6:36       ` Herbert Xu
2015-05-21  6:53         ` Stephan Mueller
2015-05-21  6:56           ` Herbert Xu
2015-05-21  7:55     ` Stephan Mueller
2015-05-21  8:19       ` random: Wake up all getrandom(2) callers when pool is ready Herbert Xu
2015-05-21  8:36         ` Stephan Mueller [this message]
2015-05-21 19:17         ` Theodore Ts'o
2015-05-22  0:23           ` Herbert Xu
2015-05-20 20:04 ` [PATCH v9 4/5] crypto: drbg - use Jitter RNG to obtain seed Stephan Mueller
2015-05-20 20:04 ` [PATCH v9 5/5] crypto: add jitterentropy RNG Stephan Mueller

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