On Thu, 14 Dec 2017, Thomas Gleixner wrote: > Now, what's different vs. 4.14: > > The 4.14 code accidentaly had the irq descriptor for this vector still > populated in the old CPU due to the convoluted way the vector allocation > worked. I have still to investigate if one of those cases is actually > leaking the descriptor, which would be a fatal bug.
It doesn't leak. It repopulates it at the same place out of sheer luck. Thanks, tglx