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Date:	Fri, 24 Aug 2007 14:47:11 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jchapman@...alix.com
Cc:	shemminger@...ux-foundation.org, ossthema@...ibm.com,
	akepner@....com, netdev@...r.kernel.org, raisch@...ibm.com,
	themann@...ibm.com, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, meder@...ibm.com, tklein@...ibm.com,
	stefan.roscher@...ibm.com
Subject: Re: RFC: issues concerning the next NAPI interface

From: James Chapman <jchapman@...alix.com>
Date: Fri, 24 Aug 2007 18:16:45 +0100

> Does hardware interrupt mitigation really interact well with NAPI?

It interacts quite excellently.

There was a long saga about this with tg3 and huge SGI numa
systems with large costs for interrupt processing, and the
fix was to do a minimal amount of interrupt mitigation and
this basically cleared up all the problems.

Someone should reference that thread _now_ before this discussion goes
too far and we repeat a lot of information and people like myself have
to stay up all night correcting the misinformation and
misunderstandings that are basically guarenteed for this topic :)
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