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SubjectRe: [PATCH V6 0/4 net-next] macvtap/vhost TX zero-copy support
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On Thu, 2011-05-26 at 23:28 +0300, Michael S. Tsirkin wrote:
> 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 :)

Ok, I can add a completion structure here.

Thanks
Shirley



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