A new version of the virtio specification has been released! As it has been three years after the 1.1 release, quite a lot of changes have accumulated. I have attempted to list some of them below; for details, you are invited to check out the spec :)
More …In the first part of this article, I talked about how you can use versioned machine types to ensure compatibility. But the more interesting part is how this actually works under the covers.
More …If you want to migrate a guest initially started on an older QEMU version to a newer version of QEMU, you need to make sure that the two machines are actually compatible with each other. Once you exclude things like devices that cannot be migrated at all and make sure both QEMU invocations actually create the same virtual hardware, this basically boils down to using compatible machines.
More …I have moved my blog to a new location and done some other changes at the same time.
More …As, once again, a new QEMU release is around the corner, the time has come to list some s390x changes in there.
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