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Diffstat (limited to 'arch/arm64/kvm/mmu.c')
-rw-r--r--arch/arm64/kvm/mmu.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index ff17849be9f4..8bcab0cc3fe9 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1522,8 +1522,10 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
read_lock(&kvm->mmu_lock);
pgt = vcpu->arch.hw_mmu->pgt;
- if (mmu_invalidate_retry(kvm, mmu_seq))
+ if (mmu_invalidate_retry(kvm, mmu_seq)) {
+ ret = -EAGAIN;
goto out_unlock;
+ }
/*
* If we are not forced to use page mapping, check if we are
@@ -1581,6 +1583,8 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
memcache,
KVM_PGTABLE_WALK_HANDLE_FAULT |
KVM_PGTABLE_WALK_SHARED);
+out_unlock:
+ read_unlock(&kvm->mmu_lock);
/* Mark the page dirty only if the fault is handled successfully */
if (writable && !ret) {
@@ -1588,8 +1592,6 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
mark_page_dirty_in_slot(kvm, memslot, gfn);
}
-out_unlock:
- read_unlock(&kvm->mmu_lock);
kvm_release_pfn_clean(pfn);
return ret != -EAGAIN ? ret : 0;
}