提交 7ebaf15e 编写于 作者: A Avi Kivity

KVM: MMU: Avoid sign extension in mmu_alloc_direct_roots() pae root address

Signed-off-by: NAvi Kivity <avi@redhat.com>
上级 33770780
...@@ -2374,7 +2374,7 @@ static int mmu_check_root(struct kvm_vcpu *vcpu, gfn_t root_gfn) ...@@ -2374,7 +2374,7 @@ static int mmu_check_root(struct kvm_vcpu *vcpu, gfn_t root_gfn)
static int mmu_alloc_direct_roots(struct kvm_vcpu *vcpu) static int mmu_alloc_direct_roots(struct kvm_vcpu *vcpu)
{ {
struct kvm_mmu_page *sp; struct kvm_mmu_page *sp;
int i; unsigned i;
if (vcpu->arch.mmu.shadow_root_level == PT64_ROOT_LEVEL) { if (vcpu->arch.mmu.shadow_root_level == PT64_ROOT_LEVEL) {
spin_lock(&vcpu->kvm->mmu_lock); spin_lock(&vcpu->kvm->mmu_lock);
......
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