[PATCH v3 8/9] vhost: Support VDUSE QUEUE_READY feature

Maxime Coquelin maxime.coquelin at redhat.com
Tue Sep 29 16:25:08 CEST 2026



On 9/29/26 12:53 PM, Eugenio Pérez wrote:
> Add support for the VDUSE_F_QUEUE_READY feature.
> 
> In VDUSE, the dataplane is enabled only after control virtqueue so the
> device is fully configured in the destination of a live migration before
> the dataplane starts.  This message signals the VDUSE device when the
> dataplane queues should be enabled.
> 
> Signed-off-by: Eugenio Pérez <eperezma at redhat.com>
> ---
>   lib/vhost/vduse.c | 86 +++++++++++++++++++++++++++++++++++++++++++++--
>   lib/vhost/vhost.h |  1 +
>   2 files changed, 85 insertions(+), 2 deletions(-)
> 

Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Thanks,
Maxime




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