From: Jan Kiszka <jan.kis...@siemens.com>

Regression of 346874c9: PAE is set in long mode, but that does not mean
we have valid PDPTRs.

Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
 arch/x86/kvm/x86.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c5582c3..198aac8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -701,10 +701,11 @@ int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
                return 0;
        }
 
-       if (is_long_mode(vcpu) && (cr3 & CR3_L_MODE_RESERVED_BITS))
-               return 1;
-       if (is_pae(vcpu) && is_paging(vcpu) &&
-           !load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3))
+       if (is_long_mode(vcpu)) {
+               if (cr3 & CR3_L_MODE_RESERVED_BITS)
+                       return 1;
+       } else if (is_pae(vcpu) && is_paging(vcpu) &&
+                  !load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3))
                return 1;
 
        vcpu->arch.cr3 = cr3;
-- 
1.8.1.1.298.ge7eed54

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