Preparing for emulating guest's CR0.CD and CR0.NW bits:
- Intercept both rdmsr and wrmsr for IA32_PAT
- Track guest's IA32_PAT MSR with vcpu.arch_vcpu.contexts.ia32_pat
Signed-off-by: Zide Chen <zide.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>