On Sat, 2014-04-12 at 01:35 +0800, Jet Chen wrote: > Hi Ben, > > I re-tested this case with/without option -enable-kvm. > > qemu-system-x86_64 -cpu Haswell,+smep,+smap invalid op > qemu-system-x86_64 -cpu kvm64 invalid op > qemu-system-x86_64 -cpu Haswell,+smep,+smap -enable-kvm everything OK > qemu-system-x86_64 -cpu kvm64 -enable-kvm everything OK > > I think this is probably a bug in QEMU. > Sorry for misleading you. I am not experienced in QEMU usage. I don't realize > I need try this case with different options Until read Peter's reply. > > As Peter said, QEMU probably should *not* set the hypervisor bit. But based > on my testing, I think KVM works properly in this case. > > Thanks, > Jet
Great, thanks! Sorry for the trouble. :) -- Ben