[openib-general] [PATCH] mthca: eq doorbell coalescing + prevent even queque overrun

[Michael S. Tsirkin]

Quoting Or Gerlitz <ogerlitz at voltaire.com>:
> Sorry, i dont follow. If you arm the CQ when there is one WC in it and 
> then start polling, and during your polling a "second" WC is generated 
> by the HCA, wouldn't an interrupt related to the 2nd completion be 
> generated - why the case you are mentioning is the arming window?

I'm polling in the interrupt handler, so interrupts from the same IRQ are
disabled. No? What am I missing?

-- 
MST