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In case of the virtio frontend driver doesn't need interupts for certain queue event, it may explicitly write VIRTIO_MSI_NO_VECTOR to the virtio common configuration, or it may doesn't configure the event type vector at all. This patch initializes both MSI-X configuration vector and queue vector with VIRTIO_MSI_NO_VECTOR, so that the backend drivers won't trigger unexpected interrupts to the guest. Signed-off-by: Zide Chen <zide.chen@intel.com> |
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Cargo.toml |