[PATCH v17 18/20] KVM: arm64: Reuse kvm_stage2_unmap_range in kvm_unmap_gfn_range

Suzuki K Poulose suzuki.poulose at arm.com
Tue Sep 8 09:22:21 PDT 2026


In preparation for adding VM specific backends for stage2 operation,
switch to kvm_stage2_unmap_range() instead of __unmap_stage2_range()
from the kvm_unmap_gfn_range(). Drop the bail out check for protected
VMs and defer that to the one in kvm_stage2_unmap_range(). Later we
would replace the logic in kvm_stage2_unmap_range() with VM specific
backends.

No functional changes intended.

Signed-off-by: Suzuki K Poulose <suzuki.poulose at arm.com>
---
 arch/arm64/kvm/mmu.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 9ba86450fe4af..67852acf7a6f8 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -2436,12 +2436,12 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu)
 
 bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range)
 {
-	if (!kvm->arch.mmu.pgt || kvm_vm_is_protected(kvm))
+	if (!kvm->arch.mmu.pgt)
 		return false;
 
-	__unmap_stage2_range(&kvm->arch.mmu, range->start << PAGE_SHIFT,
-			     (range->end - range->start) << PAGE_SHIFT,
-			     range->may_block);
+	kvm_stage2_unmap_range(&kvm->arch.mmu, range->start << PAGE_SHIFT,
+				(range->end - range->start) << PAGE_SHIFT,
+				range->may_block);
 
 	kvm_nested_s2_unmap(kvm, range->may_block);
 	return false;
-- 
2.43.0




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