irqpoll is something you should only need on boxes with BIOS problems, so when irqpoll is required.
Where did the rest of that go 8)
when irqpoll is required, it is sensible check for BIOS updates as you've done.
I have applied the latest BIOS updates from Intel, so other than wait for a kernel update, what to do?
Drop a note to Arjan van de Ven arjan@linux.intel.com, he may be interested if its an Intel produced board and failing, as he is keeper of the Linux test kit for BIOS folks and the like.
Alan