KVM: x86: trap invlpg

With pages out of sync invlpg needs to be trapped. For now simply nuke
the entry.

Untested on AMD.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 475d8ab83bff..8b935cc4c14b 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -222,6 +222,7 @@ struct kvm_mmu {
                               struct kvm_mmu_page *page);
         int (*sync_page)(struct kvm_vcpu *vcpu,
                          struct kvm_mmu_page *sp);
+        void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva);
         hpa_t root_hpa;
         int root_level;
         int shadow_root_level;
@@ -591,6 +592,7 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu);
 int kvm_fix_hypercall(struct kvm_vcpu *vcpu);
 
 int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code);
+void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva);
 
 void kvm_enable_tdp(void);
 void kvm_disable_tdp(void);