[libvirt] [PATCH v2 2/2] Allow PCI virtio on ARM "virt" machine

Gerd Hoffmann kraxel at redhat.com
Mon Jul 6 10:28:53 UTC 2015


>  I am working on tests, and i have discovered some issues with my current implementation.
>  Whether i concentrate my efforts on fixing them or just redo everything from scratch, depends on
> what you say no. So what is the final verdict? Should we:
> a) Change the default to PCI, for better performance; or:
> b) Leave the default as it is, but make explicit <address type='pci'> working?

Clearly (b).  For the default it is important that it is backward
compatible (to older libvirt versions) and works with as many guests as

You might want to have a look at libosinfo which records (among other
information) which guest can handle which device type, exactly to allow
this kind of optimization.


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