[PATCH v18 08/23] KVM: arm64: Reuse kvm_stage2_unmap_range in kvm_unmap_gfn_range
From: Suzuki K Poulose <suzuki.poulose@arm.com>
Date: 2026-09-15 16:02:17
Also in:
kvm, kvmarm, linux-coco, lkml
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
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. Reviewed-by: Fuad Tabba <fuad.tabba@linux.dev> Signed-off-by: Suzuki K Poulose <suzuki.poulose@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