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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;
}