Re: random(4) changes

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Andi Kleen wrote:
> There is also the third problem of horrible scalability of /dev/random
> output on larger systems, for which patches are getting ignored.

I came up with some very pretty code to fix this, which
tried to copy_to_user with a lock held.

After all my attempts to fix that fatal flaw resulted in much uglier
code I set it aside for a while in the hopes that inspiration would
strike.

and it's still sitting unfinished.  :-(

But I want to finish it, honest!  This latest discussion has
made me acutely conscious of it.

The fact that the scope of changes just got bigger doesn't help of
course, but I *have* picked it up again.
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