netdev - Re: [PATCH] [resend] drivers/net: remove network drivers' last few uses of IRQF_SAMPLE

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Message-ID: <20080529114941.099d8e2c@core>
Date:	Thu, 29 May 2008 11:49:41 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Chris Peterson <cpeterso@...terso.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [resend] drivers/net: remove network drivers' last few
 uses of IRQF_SAMPLE_RANDOM

On Wed, 28 May 2008 23:23:26 -0700 (PDT)
Chris Peterson <cpeterso@...terso.com> wrote:

> 
> Remove network drivers' last few uses of theoretically-exploitable network 
> entropy. Only 12 net drivers are affected. Headless boxes should use a 
> more secure source of entropy, such as the userspace daemons rngd, clrngd, 
> egd, audio_entropyd, and/or video_entroyd.
> 
> I'm also thinking about writing a "Frankenstein" daemon that combines the 
> entropy-collecting algorithms from those daemons into one. Whereas rngd 
> only uses /dev/hw_random, my hypothetical daemon would make a best effort 
> attempt: use /dev/hw_random if it exists, otherwise fallback (or use in 
> addition) the other entropy sources.
> 
> 
> Signed-off-by: Chris Peterson <cpeterso@...terso.com>

Acked-by: Alan Cox <alan@...hat.com>
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