On Mon, Feb 5, 2018 at 4:57 PM, Wanpeng Li <kernellwp@xxxxxxxxx> wrote: > This is effective one, what I restore in this patch is > achitectural/guest visible. This patch doesn't "restore" the guest visible CR4 to its value at the time of VMLAUNCH/VMRESUME. It loads a new CR4 value from the vmcs12. That behavior is incorrect.