On 28/11/2016 11:22, Laszlo Ersek wrote: > Michael suggested to use negotiation like virtio does (where the host > can reject invalid combinations of requested features): > > http://lists.nongnu.org/archive/html/qemu-devel/2016-11/msg03077.html > http://lists.nongnu.org/archive/html/qemu-devel/2016-11/msg03218.html > > I thought negotiation was overkill: > > http://lists.nongnu.org/archive/html/qemu-devel/2016-11/msg03123.html > > but I figured I'd just stick with the recommendation.
I think negotiation is useful. By doing things like "prevent broadcast_SMI && !parked_VCPUs if max_cpus > smp_cpus", it lets you commit your OVMF patch immediately for example. Paolo >> > If it is there just write true/false to it to enable/disable, and qemu >> > checks the field each time a smi is raised. > If we agree there's no need for negotiation, I'm game.
