linux-kernel - [PATCH 06/29] KVM: x86/mmu: Implement memslot deletion for TDX

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Message-ID: <20250226195529.2314580-7-pbonzini@redhat.com>
Date: Wed, 26 Feb 2025 14:55:06 -0500
From: Paolo Bonzini <pbonzini@...hat.com>
To: linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org
Cc: seanjc@...gle.com,
	Yan Zhao <yan.y.zhao@...el.com>,
	Rick Edgecombe <rick.p.edgecombe@...el.com>
Subject: [PATCH 06/29] KVM: x86/mmu: Implement memslot deletion for TDX

From: Rick Edgecombe <rick.p.edgecombe@...el.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@...el.com>
Co-developed-by: Yan Zhao <yan.y.zhao@...el.com>
Signed-off-by: Yan Zhao <yan.y.zhao@...el.com>
Message-ID: <20241112073426.21997-1-yan.y.zhao@...el.com>
Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 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 c1c54a7a7735..9d5d50e2464f 100644
--- 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;
 
-- 
2.43.5