On 8/29/19 4:12 PM, JinYu wrote:
> This patches introduces two new messages VHOST_USER_GET_INFLIGHT_FD
> and VHOST_USER_SET_INFLIGHT_FD to support transferring a shared
> buffer between qemu and backend for backend reconnection.
> Now It can both support split and packed ring. The example code show
> how these APIs work. The test has passed.
>
> How to test the example:
> 1, Qemu need a patch.
> https://patchwork.kernel.org/patch/10861411/
> it also needs some manual modifications:
> we should confirm that before we send get inflight we have already
> sent the set features but it seems Qemu didn't do like this. So we
> manually revise this, we can add below code in vhost_dev_get_inflight
> int r;
>
> r = vhost_dev_set_features(dev, dev->log_enabled);
> if (r < 0) {
> return -errno;
> }
Are you working on fixing that upstream?
What happens if we don't do these modifications and apply your series?
Would it be considered as a regression?
