Re: [PATCH 7/14] random: Remove SA_SAMPLE_RANDOM from network drivers

[Matt Mackall]

On Mon, May 08, 2006 at 05:21:12PM +0000, Pavel Machek wrote:
> Hi!
> 
> > > What do other platforms without a TSC do?
> > 
> > Using get_cycles() for /dev/random is new as of 2.6. Before that, we
> > were directly calling rdtsc on x86 alone. 10msec resolution is fine
> > for plenty of sources.
> 
> For what devices are timestamps still 'random/unobservable' in 10msec
> range?
> 
> Maybe keyboard... but no, keyboard has autorepeat and can be observed
> remotely with 10msec accuracy in many cases. (telnet to bbs?)

Please go look at the code.

-- 
Mathematics is the supreme nostalgia of our time.
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