On 15 January 2015 at 17:50, Wei Huang <w...@redhat.com> wrote: > ARM virt machine type (machvirt) had been stable for a while. But recently > new devices have been added to support extra features. Considerring the > support of long-term compatibility, it is time to create a version-based > machine types. > > This patch defines a qemu 2.2 specific machine type (machvirt-2.2) and > points the default machvirt to it. In the future new machine types can > follow a similar naming scheme (e.g. machvirt-3.0, ...). Note that this > patch doesn't change the semantic of existing QEMU command line.
I don't think we're anywhere ready yet to support between version migration compatibility. We will want this *eventually* but we are a long long way away from needing it...(maybe a year?) thanks -- PMM
