Re: [announce] [patch] limiting IRQ load, irq-rewrite-2.4.11-B5

Robert Olsson
2001-10-04T13:02:48Z

Ingo Molnar writes:
>
> i'm asking the following thing. dev->quota, as i read the patch now, can
> cause extra calls to ->poll() even though the RX ring of that particular
> device is empty and the driver has indicated it's done processing RX
> packets. (i'm now assuming that the extra-polling-for-a-jiffy line in the
> current patch is removed - that one is a showstopper to begin with.) Is
> this claim of mine correct?

Hello!

Well I'm the one to blame... :-) This comes from my experiments to delay
to polling before going into RX-irq-enable mode. This is one of the areas
to be addressed further with NAPI. And this code was not in any of the
files that I announced I think..?

Cheers.

--ro