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

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Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2010-10-03 18:51:39 +02:00
parent 3377078027
commit 7ebaf15eef
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kvm/mmu.c
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@ -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);