linux-kernel - [RFC PATCH v4 07/39] KVM: arm64: Unlock memslots after stage 2 tables are freed

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Date:   Wed, 25 Aug 2021 17:17:43 +0100
From:   Alexandru Elisei <alexandru.elisei@....com>
To:     maz@...nel.org, james.morse@....com, suzuki.poulose@....com,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        will@...nel.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH v4 07/39] KVM: arm64: Unlock memslots after stage 2 tables are freed

Unpin the backing pages mapped at stage 2 after the stage 2 translation
tables are destroyed.

Signed-off-by: Alexandru Elisei <alexandru.elisei@....com>
---
 arch/arm64/kvm/mmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index cd44b6f2c53e..27b7befd4fa9 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1907,6 +1907,7 @@ void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen)
 void kvm_arch_flush_shadow_all(struct kvm *kvm)
 {
 	kvm_free_stage2_pgd(&kvm->arch.mmu);
+	unlock_all_memslots(kvm);
 }
 
 void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
-- 
2.33.0