You shut down vm1, configure the processor compatibility settings, and then start vm1. does this meet the goal?

Yes it does.

Explanation:

VM or virtual machines are enabled by the hypervisor in host operating systems. More than one virtual machine can run in an operating with only one processor.

Live migration, save and restore, and production checkpoints are all mobility processes that does not require rebooting the system. Since these virtual machine mobility processes is not compatible running directly on different processor, the virtual machine must be shutdown, and rebooted on the new processor host.

However, to run the virtual machine on a different processor without rebooting, the VM is run on processor compatibility mode (in the processor compatibility settings).

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