On Mon, 2025-12-01 at 16:01 +0100, Babis Chalios wrote: > > That's a shame :( > > Maybe we could do the same as VMGenID then. Make vm_generation_counter > something that the user can set when creating the device (same as > VMGenID's GUID). WDYT David?
Hm, can we store the current vmgenid in the vmlcock serialised state and then bump the counter if it *changes*? Arguably we shouldn't be advertising the VMCLOCK_FLAG_VM_GEN_COUNTER_PRESENT flag if there is no vmgenid anyway, so we should *already* be looking at least for its presence? That way, when the external tooling launches the new QEMU for the snapshot with the new vmgenid, we will spot it and bump the counter accordingly?
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