PR KVM and TM issues

[Michael Neuling]

On Mon, 2016-04-04 at 17:00 +1000, Alexey Kardashevskiy wrote:
> On 04/04/2016 04:44 PM, Anton Blanchard wrote:
> > Hi,
> > 
> > I can't get an Ubuntu Wily guest to boot on an Ubuntu Wily host in PR KVM
> > mode. The kernel in both cases is 4.2. To reproduce:
> > 
> > wget -N https://cloud-images.ubuntu.com/wily/current/wily-server-cloudimg-ppc64el-disk1.img
> > 
> > qemu-system-ppc64 -cpu POWER8 -enable-kvm -machine pseries,kvm-type=PR -m 4G -nographic -vga none -drive file=wily-server-cloudimg-ppc64el-disk1.img,if=virtio
> > 
> > Should TM work inside a PR KVM guest?
> 
> If I read the kernel code correctly (kvmppc_set_one_reg_hv vs. 
> kvmppc_set_one_reg_pr), no, it should not be expected to work.

What's missing?

Mikey