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SubjectRe: [PATCH 01/10] random: make 'add_interrupt_randomness()' do something sane
On Thu, Jul 5, 2012 at 11:47 AM, Matt Mackall <> wrote:
> I think you should demand a minimum number of events > HZ to actually
> credit any valid entropy.

There already is. It's 1.

If we don't get a single non-timer interrupt, this code will never be called.

And if we only get a single interrupt in over one HZ, then there very
arguably is one bit of entropy in 'jiffies' at the time of that


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