KVM: x86/mmu: Implement memslot deletion for TDX

Update attr_filter field to zap both private and shared mappings for TDX
when memslot is deleted.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Co-developed-by: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com>
Message-ID: <20241112073426.21997-1-yan.y.zhao@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index a79bc15..42712cc 100644 (file)
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -7072,6 +7072,7 @@ static void kvm_mmu_zap_memslot(struct kvm *kvm,
                .start = slot->base_gfn,
                .end = slot->base_gfn + slot->npages,
                .may_block = true,
+               .attr_filter = KVM_FILTER_PRIVATE | KVM_FILTER_SHARED,
        };
        bool flush;