On Tue, Oct 30, 2018 at 11:09:04AM -0600, Jens Axboe wrote: > Pretty trivial, below. This also keeps the queue mapping calculations > more clean, as we don't have to do one after we're done allocating > IRQs. Yep, this addresses my concern. It less efficient than PCI since PCI can usually jump straight to a valid vector count in a single iteration where this only subtracts by 1. I really can't be bothered to care for optimizing that, so this works for me! :)