Re: [PATCH 0/3] vhost cleanups and separate module

2013-05-12 Thread Rusty Russell
"Michael S. Tsirkin" writes: > On Tue, May 07, 2013 at 02:13:44PM +0930, Rusty Russell wrote: >> AFAICT we should always do zero copy. > > It seems not to be a win for small packets. > I speculate the issue is that ring space isn't released as promptly. > Further, we can't do it safely for guest t

Re: [PATCH 0/3] vhost cleanups and separate module

2013-05-12 Thread Jason Wang
On 05/07/2013 08:44 PM, Michael S. Tsirkin wrote: > On Tue, May 07, 2013 at 02:13:44PM +0930, Rusty Russell wrote: >> "Michael S. Tsirkin" writes: >>> On Mon, May 06, 2013 at 03:41:36PM +0930, Rusty Russell wrote: Asias He writes: > Asias He (3): > vhost: Remove vhost_enable_zcopy