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

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Message-ID: <482C854C.7070405@intel.com>
Date:	Thu, 15 May 2008 11:47:40 -0700
From:	"Kok, Auke" <auke-jan.h.kok@...el.com>
To:	Jeff Garzik <jeff@...zik.org>
CC:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	Chris Peterson <cpeterso@...terso.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/net: remove network drivers' last few uses of
 IRQF_SAMPLE_RANDOM

Jeff Garzik wrote:
> Alan Cox wrote:
>>> In short, I agree with Alan's IRQF_SAMPLE_DUBIOUS, and know of Linux
>>> customers who also want the same.
>>
>> They should be made to read the Debian ssh security report - three times
>> and understand the same would apply to them if something did cause their
>> network packet arrivals to be observed or non-random
>>
>> Far better would be to get your CPU guys to put an RNG back into the
>> systems or on the CPU die ala VIA. Given I've even seen people using VIA
>> boxes as a random number feeder (streaming random numbers over SSL) there
>> is clearly a demand 8)
> 
> The Treacherous Platform Module includes an RNG.
> 
> Someone (hi Jesse?) should implement support for TPM_GetRandom.

Sounds like something he should neither use in the e1000 driver nor implement :)

This would be an interesting thing to the generic rng support in linux though

Auke
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