Re: [PATCH V6 0/4 net-next] macvtap/vhost TX zero-copy support
On Thu, May 26, 2011 at 01:00:20PM -0700, Shirley Ma wrote: > 3. Add sleep in vhost shutting down instead of busy-wait for outstanding > DMAs.
I still think this is not much better. We need to use a completion structure and wait on it instead. If this gets blocked thinkably a tx watchdog can fire and save us from blocking forver :)