Merge tag 'pci-v4.2-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

[cascardo/linux.git] / arch / x86 / kvm / vmx.c

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 5b4e938..83b7b5c 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8650,7 +8650,10 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
 
        if (kvm_read_cr0(vcpu) & X86_CR0_CD) {
                ipat = VMX_EPT_IPAT_BIT;
-               cache = MTRR_TYPE_UNCACHABLE;
+               if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED))
+                       cache = MTRR_TYPE_WRBACK;
+               else
+                       cache = MTRR_TYPE_UNCACHABLE;
                goto exit;
        }