From: jamal <[EMAIL PROTECTED]> Date: Wed, 06 Jun 2007 19:32:46 -0400
> On Wed, 2007-06-06 at 15:35 -0700, David Miller wrote: > > With the above for transmit, and having N "struct napi_struct" > > instances for MSI-X directed RX queues, we'll have no problem keeping > > a 10gbit (or even faster) port completely full with lots of cpu to > > spare on multi-core boxes. > > > > RX queues - yes, I can see; TX queues, it doesnt make sense to put > different rings on different CPUs. For the locking is makes a ton of sense. If you have sendmsg() calls going on N cpus, would you rather they: 1) All queue up to the single netdev->tx_lock or 2) All take local per-hw-queue locks to transmit the data they are sending? I thought this was obvious... guess not :-) - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html