Register the notifier type track_flush_slot to receive memslot move
and remove event so that we can sync up our shadow page table
Reviewed-by: Xiao Guangrong <guangrong.xiao@xxxxxxxxx>
Signed-off-by: Chen Xiaoguang <xiaoguang.chen@xxxxxxxxx>
---
arch/x86/kvm/mmu.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index fa7fdd1..8537a21 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -4634,11 +4634,18 @@ void kvm_mmu_setup(struct kvm_vcpu *vcpu)
init_kvm_mmu(vcpu);
}
+static void kvm_mmu_invalidate_zap_pages_in_memslot(struct kvm *kvm,
+ struct kvm_memory_slot *slot)
+{
+ kvm_mmu_invalidate_zap_all_pages(kvm);
+}
+
void kvm_mmu_init_vm(struct kvm *kvm)
{
struct kvm_page_track_notifier_node *node = &kvm->arch.mmu_sp_tracker;
node->track_write = kvm_mmu_pte_write;
+ node->track_flush_slot = kvm_mmu_invalidate_zap_pages_in_memslot;
kvm_page_track_register_notifier(kvm, node);
}
--
1.9.1
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