Re: [virtio-dev] vhost-user to interconnect vm's

[Wei Wang <wei.w.wang@intel.com>]

On 10/25/2017 06:25 AM, Michael S. Tsirkin wrote:
> On Tue, Oct 24, 2017 at 02:07:21PM +0000, Avi Cohen (A) wrote:
>> Hello,
>> I wonder if it is possible to directly connect 2  VM's (without host intervention) with  vhost-user interface , so one VM is slave and the 2nd  is the master.
>> I can connect the VM's with OVS-DPDK (or VPP)  in the middle - but this requires an extra copy.
>> Best Regards
>> Avi
>
> This is the vhost-pci set of patches. They are not upstream yet -
> last version - v2 - was posted back in May. Cc Wei Wang for an
> update on the status. It would be great if you could try them out.


We have started to implement the DPDK PMD of vhost-pci, since
it is simpler and has better performance than the kernel driver.

We are also trying to make a simpler QEMU implementation than v2,
for example, the vhost-pci device will be statically set up via qemu
command line, instead of being hot-plugged on demand.

We would be able to send out the new version in a month or two.

Best,
Wei

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