CPU selection for ithreads on 8.3

[Wojciech Puchar]

> cxgbc0}
> 12 root     -68    -     0K   816K WAIT    7   0:31  0.00% intr{irq280: 
> cxgbc0}
>
> Back in the day there used to be code in cxgb to bind different
> interrupts to different CPUs but it was removed because the kernel
> distributed them across CPUs anyway.  So what changed?  This appears 8.3
> specific.  I don't see it on head and I don't have a 9 system readily

maybe stupid question but isn't it better to execute same fragment of code 
repetitively on same CPU core and don't mess with cache trashing?

Of course as long as one core can cope with it.