[PATCH v2 01/24] KVM: x86/mmu: Implement memslot deletion for TDX

Yan Zhao
2024-11-12T07:37:02Z

From: Rick Edgecombe <rick.p.edgecombe@intel.com>

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>
---
TDX MMU part 2 v2:
- Update commit msg.

TDX MMU part 2 v1:
- Clarify TDX limits on zapping private memory (Sean)

Memslot quirk series:
- New patch
---
arch/x86/kvm/mmu/mmu.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 2e253a488949..68bb78a2306c 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -7126,6 +7126,7 @@ 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;

--
2.43.2