Re: [ovs-dev] 答复: dpdk vhost-user patch questions.

2015-06-04 Thread Gray, Mark D
> > It should be once, from the host memory address space to the guest > > memory address space (and vice-versa in the other direction). > > I can not understand 'be once' > > In vhost, VM share *down* the memory to host, why host 'copy the pkts > from the host memory address space to the guest

[ovs-dev] 答复: dpdk vhost-user patch questions.

2015-06-03 Thread 钢锁0310
It should be once, from the host memory address space to the guestmemory  address space (and vice-versa in the other direction). I can not understand 'be once' In vhost, VM share *down* the memory to host, why host 'copy the pkts  from the  host memory address space to the guest memory address s