1 files changed, 8 insertions, 0 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index e9b0982d2589..cae5b12bf938 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -833,6 +833,14 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
         case MSR_EFER:
                 set_efer(vcpu, data);
                 break;
+        case MSR_K7_HWCR:
+                data &= ~(u64)0x40;     /* ignore flush filter disable */
+                if (data != 0) {
+                        pr_unimpl(vcpu, "unimplemented HWCR wrmsr: 0x%llx\n",
+                                data);
+                        return 1;
+                }
+                break;
         case MSR_IA32_DEBUGCTLMSR:
                 if (!data) {
                         /* We support the non-activated case already */