KVM: SVM: obey guest PAT

[pandora-kernel.git] / arch / x86 / kvm / svm.c

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index fba31b7..4bdd0ac 100644 (file)
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3040,6 +3040,13 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
        struct vcpu_svm *svm = to_svm(vcpu);
 
        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, data);
                break;