Re: [PATCH V5 4/6 net-next] vhost: vhost TX zero-copy support

From: Shirley Ma
Date: Mon May 16 2011 - 17:31:00 EST

On Tue, 2011-05-17 at 00:24 +0300, Michael S. Tsirkin wrote:
> Very strange, it sounds like a bug, but I can't tell where: in
> host or in guest. If it's in the guest, we must fix it.
> If in host, we should only fix it if it makes life simpler for us.
> Could you try to nail it down pls? Another question: will code get
> simpler or more complex if that restriction's removed?

It should be similar. We still need to maintain the pending list, and
mark the DMA done ids.

I can make a try to narrow this issue down.


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