Re: [PATCH 2/4]: powerpc/cell spidernet low watermark patch.

From: Benjamin Herrenschmidt
Date: Sat Aug 19 2006 - 00:31:43 EST

On Fri, 2006-08-18 at 18:45 -0500, Linas Vepstas wrote:
> On Fri, Aug 18, 2006 at 06:29:42PM -0500, linas wrote:
> >
> > I don't understand what you are saying. If I call the transmit
> > queue cleanup code from the poll() routine, nothing hapens,
> > because the kernel does not call the poll() routine often
> > enough. I've stated this several times.
> OK, Arnd gave me a clue stick. I need to call the (misnamed)
> netif_rx_schedule() from the tx interrupt in order to get
> this to work. That makes sense, and its easy, I'll send the
> revised patch.. well, not tonight, but shortly.

You might not want to call it all the time though... You need some
interrupt mitigation and thus a timer that calls netif_rx_schedule()
might be of some use still...


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