Re: [PATCH] drivers/net: remove network drivers' last few uses ofIRQF_SAMPLE_RANDOM

[Jeff Garzik]

Theodore Tso wrote:
> On Thu, May 15, 2008 at 01:01:36PM -0700, Chris Peterson wrote:
> > Please correct me if I'm wrong, but this thread's conclusions seem to be:
> >
> > * network interrupts are an inappropriate source of entropy (see my patch)
> > * headless servers need entropy, but should seek a better solution,
> > such as EGD, hardware RNG, or other kernel entropy sources (but that
> > is a separate task)
> > * TPM RNG is a separate task and, if implemented, should be in
> > drivers/char/hw_random/
>
> The TPM RNG task is probably best done in a user space process, which
> might also do other things like pulling environmental noise from the
> sound card's microphone, etc.
>
> The problem is finding someone with the skills, time, and energy to
> create the appropriate user space daemon.  All of the kernel
> interfaces already exist; it's just matter of implementing the user
> space support.

rngd is already deployed in most distros, via rng-tools.  Motivated 
people are welcome to steal maintainership from me...

	Jeff


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