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Date: Thu, 07 Dec 2006 15:24:06 +1100 From: Benjamin Herrenschmidt <benh@...nel.crashing.org> To: "David S. Miller" <davem@...emloft.net> Cc: netdev@...r.kernel.org, Eugene Surovegin <ebs@...home.net> Subject: Re: NAPI and shared interrupt control > What Eugene does currently, which seems to me like it's actually the > only proper solution, is to create a separate net_device structure for > the DMA engine and thus have a single NAPI poll & weighting for all the > EMACs sharing a given MAL (MAL is the name of that DMA engine). This > means that Rx from any of the channels schedules the poll, and > interrupts can be properly masked/unmasked globally based on the > presence/absence of work on all the channels. Actually, another solution would be to have one of the instances do the NAPI poll for all of them instead of creating a separate net_device for the DMA engine... Ben. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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