Re: Fwd: disable_irq in ndo_poll_controller

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Hi!

On 11:05 Fri 04 Sep     , JiSheng Zhang wrote:
> hi,
> 
> 2009/9/3 Michael Blizek <michi1@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>:
> > Hi!
> >
> > On 15:47 Thu 03 Sep     , JiSheng Zhang wrote:
> >> ---------- Forwarded message ----------
> >> From: JiSheng Zhang <jszhang3@xxxxxxxxx>
> >> Date: 2009/9/3
> >> Subject: disable_irq in ndo_poll_controller
> >> To: netdev@xxxxxxxxxxxxxxx

...

> >> 3.program nicard's register
> >
> > My guess without knowing or having looked at the driver is that it might
> > tell the device to stop sending interrupts. Instead the device may be polled
> > if there is work to do. This reduces the load if the device would otherwise
> > send lots of interrupts.
> >
> 
> Do you mix up poll_controller in netconsole and poll in NAPI?

Huh?

I do not really know what you mean by this question. I have not looked at
the driver, but an interrupt register in a device sounds like interrupt
mitigation or something like this (e.g. not turning off the interrupts on
the local CPU).

	-Michi
-- 
programing a layer 3+4 network protocol for mesh networks
see http://michaelblizek.twilightparadox.com


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