MSR_CR_PAT
wrmsr(MSR_CR_PAT, pat);
svm_vcpu_msr_allow(cpudata->msrbm, MSR_CR_PAT, true, true);
if (exit->u.rdmsr.msr == MSR_CR_PAT) {
if (exit->u.wrmsr.msr == MSR_CR_PAT) {
vmx_vmwrite(VMCS_HOST_IA32_PAT, rdmsr(MSR_CR_PAT));