On Fri, Mar 04, 2016 at 09:43:24AM +0100, Andrea Bolognani wrote: > On Fri, 2016-03-04 at 10:52 +0800, Peter Xu wrote: > > Andrea, do you know how much effort we need to add this support for > > libvirt, say, we can specify "accel=" or "-enable-kvm" as extra > > parameter when probing? > > I'm afraid this is not going to be possible for the same reason > we have to use '-M none' when probing: at that point in time, we > simply have no idea what the guests will look like. Actually, > it's the other way around, in that the result of probing (host > and domain capabilities) will influence the guest configuration > created by the user / management tool. > > And we definitely can't use 'accel=kvm' unconditionally, because > then we won't be able to probe eg. the qemu-system-aarch64 binary > installed on a x86_64 host.
Agreed. It is awkward to specify these for probing. Posting v3 to allow it work even without kvm enabled. I am using the hacky way to do it since I still have no better way to do it. Let's see whether we can get more review comments on that. Thanks! Peter