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Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/svm.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index e2ee264740c7..d1106cddab0d 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -62,6 +62,7 @@ static int npt = 1;
module_param(npt, int, S_IRUGO);
static void kvm_reput_irq(struct vcpu_svm *svm);
+static void svm_flush_tlb(struct kvm_vcpu *vcpu);
static inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu)
{
@@ -1027,6 +1028,13 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
KVMTRACE_3D(TDP_FAULT, &svm->vcpu, error_code,
(u32)fault_address, (u32)(fault_address >> 32),
handler);
+ /*
+ * FIXME: Tis shouldn't be necessary here, but there is a flush
+ * missing in the MMU code. Until we find this bug, flush the
+ * complete TLB here on an NPF
+ */
+ if (npt_enabled)
+ svm_flush_tlb(&svm->vcpu);
if (event_injection)
kvm_mmu_unprotect_page_virt(&svm->vcpu, fault_address);