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vmm: Do not create virtio devices when missing a transport

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If neither PCI or MMIO are built in, we should not bother creating any
virtio devices at all.
When building a minimal VMM made of a kernel with an initramfs and a
serial console, the RNG virtio device is still created even though there
is no way it can ever get probed.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz 2020-01-13 23:17:57 +01:00 committed by Sebastien Boeuf
parent 41895d7df1
commit 5788d36583
1 changed files with 1 additions and 0 deletions
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1
vmm/src/device_manager.rs
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@ -453,6 +453,7 @@ impl DeviceManager {
&mut virtio_devices,
)?;
#[cfg(any(feature = "pci_support", feature = "mmio_support"))]
virtio_devices.append(&mut DeviceManager::make_virtio_devices(
vm_info,
&address_manager,