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Date: Thu, 21 Feb 2008 09:13:49 +0530 From: Krishna Kumar2 <krkumar2@...ibm.com> To: Divy Le Ray <divy@...lsio.com> Cc: David Miller <davem@...emloft.net>, Jeff Garzik <jeff@...zik.org>, LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org Subject: Re: [git patches] net driver updates Hi Divy, > > Explain why, so I can include it in the changelog please... > > Hi Jeff, > > The first part of the patch removes the !netif_queue_stopped(dev). > It opens the race discussed a while ago between Stephen hemminger and > David Miller: > http://marc.info/?l=linux-netdev&m=113383224512427&w=2 I feel this race cannot happen anymore. I think the fix for that race was to introduce the __LINK_STATE_QDISC_RUNNING bit thus eliminating any races between CPU's. If one CPU has called xmit, the other CPU will enqueue skbs (by holding the queue_lock) and exit from qdisc_run since it finds the bit set already. Thanks, - KK -- 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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