On Thu, Aug 01, 2024 at 04:45:17PM +0100, Daniel P. Berrangé wrote: > So to ensure a QEMU is started with migration compatible features > will still require teaching libvirt about every single feature > that has a host kernel dependancy, so libvirt (or the app using > libvirt) knows to turn this off. This is alot more work for both > libvirt & the mgmt app, than having QEMU provide the generic > "platforms" concept which is extensible without needing further > work outside QEMU. I am just not sure it can all amount to selecting from a list. For example, some resource can be limited on one host or another. Thus we get a number. Or there could be a set of N flags, with 2^N combinations. -- MST