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Commit 7ebaf15e authored by Avi Kivity's avatar Avi Kivity
Browse files

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



Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 33770780

arch/x86/kvm/mmu.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -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);