Irqbalance/irqbalance — pull request #8 by freddy77 (2014-07-02 12:01:11+00:00)
Title: Balance correctly IRQs reappearing

If IRQ disappears and reappears later (this happens frequently for Xen)
the IRQ is not balanced correctly due to overflow in irq_count (as the
counter got smaller and difference cause overflow).
Rescan if this happens fix the problem.

Signed-off-by: Frediano Ziglio