From: Krishna Kumar2 <[EMAIL PROTECTED]> Date: Thu, 21 Feb 2008 09:13:49 +0530
> 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. And the race is talking about LLTX, which S2IO doesn't use as far as I can tell. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
