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-rw-r--r--arch/x86/kvm/mtrr.c12
-rw-r--r--arch/x86/kvm/x86.c2
2 files changed, 12 insertions, 2 deletions
diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c
index fb2f7e10e8bc..a05846a524d9 100644
--- a/arch/x86/kvm/mtrr.c
+++ b/arch/x86/kvm/mtrr.c
@@ -199,6 +199,18 @@ int kvm_mtrr_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
{
u64 *p = (u64 *)&vcpu->arch.mtrr_state.fixed_ranges;
+ /* MSR_MTRRcap is a readonly MSR. */
+ if (msr == MSR_MTRRcap) {
+ /*
+ * SMRR = 0
+ * WC = 1
+ * FIX = 1
+ * VCNT = KVM_NR_VAR_MTRR
+ */
+ *pdata = 0x500 | KVM_NR_VAR_MTRR;
+ return 0;
+ }
+
if (!msr_mtrr_valid(msr))
return 1;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index e2bc79821b45..fb6c9a11b5c1 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2443,8 +2443,6 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
msr_info->data = 0x100000000ULL;
break;
case MSR_MTRRcap:
- msr_info->data = 0x500 | KVM_NR_VAR_MTRR;
- break;
case 0x200 ... 0x2ff:
return kvm_mtrr_get_msr(vcpu, msr_info->index, &msr_info->data);
case 0xcd: /* fsb frequency */