setting nvme irq per cpu affinity in device driver

[Keith Busch]

On Wed, 2 Sep 2015, 김경산 wrote:
> Actually, in current status, device driver already tries to set
> affinity_hint for IRQs during Q initialization.
> But in our tests, it does not guarantee the CPU distribution on system-wide
> even with irqbalance daemon working, failing to resolve above issues.

Are you running irqbalance with '--hintpolicy=exact'? It Seems to do
the right thing over here.