On Mon, Dec 09, 2019 at 11:07:59AM +0000, Stefan Hajnoczi wrote:
> The following MSI-X vectors are required:
>  * VIRTIO Configuration Change
>  * hiprio virtqueue
>  * requests virtqueues
> 
> Fix the calculation to reserve enough MSI-X vectors.  Otherwise guest
> drivers fall back to a sub-optional configuration where all virtqueues
> share a single vector.
> 
> This change does not break live migration compatibility since
> vhost-user-fs-pci devices are not migratable yet.
> 
> Reported-by: Vivek Goyal <[email protected]>
> Signed-off-by: Stefan Hajnoczi <[email protected]>
> ---
>  hw/virtio/vhost-user-fs-pci.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan

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