netdev - Re: [PATCH 2/3][NET_BATCH] net core use batching

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Message-Id: <20071009.142504.116349168.davem@davemloft.net>
Date:	Tue, 09 Oct 2007 14:25:04 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeff@...zik.org
Cc:	krkumar2@...ibm.com, gaagaan@...il.com,
	general@...ts.openfabrics.org, hadi@...erus.ca,
	herbert@...dor.apana.org.au, jagana@...ibm.com,
	johnpol@....mipt.ru, kaber@...sh.net, mcarlson@...adcom.com,
	mchan@...adcom.com, netdev@...r.kernel.org,
	peter.p.waskiewicz.jr@...el.com, randy.dunlap@...cle.com,
	rdreier@...co.com, rick.jones2@...com, Robert.Olsson@...a.slu.se,
	shemminger@...ux-foundation.org, sri@...ibm.com, tgraf@...g.ch,
	xma@...ibm.com
Subject: Re: [PATCH 2/3][NET_BATCH] net core use batching

From: Jeff Garzik <jeff@...zik.org>
Date: Tue, 09 Oct 2007 16:20:14 -0400

> David Miller wrote:
> > If you unconditionally take those locks in the transmit function,
> > there is probably an ABBA deadlock elsewhere in the driver now, most
> > likely in the TX reclaim processing, and you therefore need to handle
> > that too.
> 
> And I most certainly checked the relevant transmit paths and other 
> locking to make sure lock ordering was correct.

Awesome.
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