summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kvm/x86.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index b4cfd786d0b6..605f9902f164 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -674,8 +674,14 @@ static int kvm_read_nested_guest_page(struct kvm_vcpu *vcpu, gfn_t gfn,
data, offset, len, access);
}
+static inline u64 pdptr_rsvd_bits(struct kvm_vcpu *vcpu)
+{
+ return rsvd_bits(cpuid_maxphyaddr(vcpu), 63) | rsvd_bits(5, 8) |
+ rsvd_bits(1, 2);
+}
+
/*
- * Load the pae pdptrs. Return true is they are all valid.
+ * Load the pae pdptrs. Return 1 if they are all valid, 0 otherwise.
*/
int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3)
{
@@ -694,8 +700,7 @@ int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3)
}
for (i = 0; i < ARRAY_SIZE(pdpte); ++i) {
if ((pdpte[i] & PT_PRESENT_MASK) &&
- (pdpte[i] &
- vcpu->arch.mmu->guest_rsvd_check.rsvd_bits_mask[0][2])) {
+ (pdpte[i] & pdptr_rsvd_bits(vcpu))) {
ret = 0;
goto out;
}