Hi Lei,
On 11/03/2017 04:52 PM, Maxime Coquelin wrote:
If multiple queue pairs are created but all are not used, the
device is never started, as unused queues aren't enabled and
their ring addresses aren't translated. The device is changed
to running state when all rings addresses are translated.
This patch fixes this by postponning rings addresses translation
at kick time unconditionnaly, VHOST_USER_F_PROTOCOL_FEATURES
being negotiated or not.
Reported-by: Lei Yao<lei.a....@intel.com>
Signed-off-by: Maxime Coquelin<maxime.coque...@redhat.com>
---
lib/librte_vhost/vhost_user.c | 33 ++++++++-------------------------
1 file changed, 8 insertions(+), 25 deletions(-)
Could you confirm the patch fixes the issue on your side?
I tested below cases with and without IOMMU:
- Host DPDK queues = 1 / QEMU queues = 1 / Guest DPDK queues = 1
- Host DPDK queues = 2 / QEMU queues = 2 / Guest DPDK queues = 1
- Host DPDK queues = 2 / QEMU queues = 2 / Guest DPDK queues = 2
Thanks,
Maxime
