On Wed, 2014-02-12 at 13:50 +0800, Jason Wang wrote: > On 02/12/2014 01:47 PM, Eric Dumazet wrote: > > On Wed, 2014-02-12 at 13:28 +0800, Jason Wang wrote: > > > >> A question: without NAPI weight, could this starve other net devices? > > Not really, as net devices are serviced by softirq handler. > > > > > > Yes, then the issue is tun could be starved by other net devices.
How this patch changes anything to this 'problem' ? netif_rx_ni() can only be called if your process is not preempted by other high prio tasks/softirqs. If this process is scheduled on a cpu, then disabling bh to process _one_ packet wont fundamentally change dynamic of the system. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
