KVM: SVM: obey guest PAT

[platform/kernel/linux-exynos.git] / arch / x86 / kvm / svm.c

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 0e68f0b..ca209a4 100644 (file)
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3657,6 +3657,13 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
        u32 ecx = msr->index;
        u64 data = msr->data;
        switch (ecx) {
+       case MSR_IA32_CR_PAT:
+               if (!kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, data))
+                       return 1;
+               vcpu->arch.pat = data;
+               svm->vmcb->save.g_pat = data;
+               mark_dirty(svm->vmcb, VMCB_NPT);
+               break;
        case MSR_IA32_TSC:
                kvm_write_tsc(vcpu, msr);
                break;