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Diffstat (limited to 'arch/x86/kvm/mmu.c')
-rw-r--r--arch/x86/kvm/mmu.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 311f6dad895..7fed5b793fa 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2254,6 +2254,10 @@ static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
return 0;
}
direct = !is_paging(vcpu);
+
+ if (mmu_check_root(vcpu, root_gfn))
+ return 1;
+
for (i = 0; i < 4; ++i) {
hpa_t root = vcpu->arch.mmu.pae_root[i];
@@ -2265,13 +2269,13 @@ static int mmu_alloc_roots(struct kvm_vcpu *vcpu)
continue;
}
root_gfn = pdptr >> PAGE_SHIFT;
+ if (mmu_check_root(vcpu, root_gfn))
+ return 1;
} else if (vcpu->arch.mmu.root_level == 0)
root_gfn = 0;
- if (mmu_check_root(vcpu, root_gfn))
- return 1;
if (tdp_enabled) {
direct = 1;
- root_gfn = i << 30;
+ root_gfn = i << (30 - PAGE_SHIFT);
}
spin_lock(&vcpu->kvm->mmu_lock);
kvm_mmu_free_some_pages(vcpu);