Re: [PATCH] KVM: nVMX: Fix CR4 after VMLAUNCH/VMRESUME failure

[Jim Mattson]

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.