Il 27/05/2013 18:04, Michael S. Tsirkin ha scritto: > I don't think we need a new feature. Hosts do not in practice > treat the feature as "negative" (that is, required), whatever the spec > says. Further, windows guests don't treat it is such either. Windows guests not treating as such is what makes the spec change work. > So if we > don't want to require all guests to tell host first, all we need to do is > admit it's not a bug. I think we want the possibility for the host to require that. > Please see > [PATCH] virtio-spec: balloon: MUST_TELL_HOST is optional > that does exactly this. That patch mandates a change in guest behavior that is not compatible with the existing Windows driver. Mine doesn't. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html