[Bug 1161] [dpdk-23.03]virtio_user_as_exceptional_path/vhost_exception_path_with_virtio_user: launch testpmd as virtio-user failed

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=1161

lingwei (weix.ling at intel.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|IN_PROGRESS                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from lingwei (weix.ling at intel.com) ---
Patch have merged into the DPDK main branch.

Verified PASSED.

OS: Ubuntu 22.04.1 LTS/Linux 5.15.45-051545-generic

NIC hardware: Intel Ethernet Controller XL710 for 40GbE QSFP+ 1583

Driver/NIC firmware: i40e-2.22.8/firmware-version: 9.10 0x8000d01e 1.3295.0

commit be26e898ffb3a1719c88bf025d45a847d3a60ffc
Author: Maxime Coquelin <maxime.coquelin at redhat.com>
Date:   Fri Feb 17 13:31:19 2023 +0100

    net/virtio-user: fix vhost-kernel initialization

    This patch fixes a regression causing devices with
    Vhost-kernel backends initialization to fail.

    Indeed, Vhost-kernel backend init expects
    dev->max_queue_pairs to be set at setup time, while its
    assignment was moved after backend setup when adding
    control queue support for Vhost-vdpa backends.

    It is safe to set dev->max_queue_pairs early for
    Vhost-kernel backends as if the backend does not support
    multiqueue, its setup will fail.

    Bugzilla ID: 1161
    Fixes: 7be724856315 ("net/virtio-user: get max number of queue pairs from
device")

    Reported-by: Wei Ling <weix.ling at intel.com>
    Signed-off-by: Maxime Coquelin <maxime.coquelin at redhat.com>

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