On Mon, May 30, 2016 at 10:53:22AM -0700, Andi Kleen wrote:
>
> It should work the same on larger systems, the solution scales
> naturally to lots of sockets. It's not clear it'll help enough on systems
> with a lot more cores per socket, like a Xeon Phi. But for now it should
> be good enough.
O
> In addition, on NUMA systems we make the CRNG state per-NUMA socket, to
> address the NUMA locking contention problem which Andi Kleen has been
> complaining about. I'm not entirely sure this will work well on the
> crazy big SGI systems, but they are rare. Whether they are rarer than
It shoul
By using a CRNG to replace the urandom pool, we address a number of
complaints which Stephan Mueller has been concerned about. We now use
a much more aggressive interrupt sampling system to quickly initialize
a CRNG which gets used in place of the original non-blocking pool.
This tends to get init