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[31/37] KVM: MMU: Only enable cr4_pge role in shadow mode

Message ID 1235730420-7929-32-git-send-email-avi@redhat.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Avi Kivity Feb. 27, 2009, 10:26 a.m. UTC 
Two dimensional paging is only confused by it.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/x86.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6fbc346..19ccde6 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -364,7 +364,7 @@  void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 	}
 	kvm_x86_ops->set_cr4(vcpu, cr4);
 	vcpu->arch.cr4 = cr4;
-	vcpu->arch.mmu.base_role.cr4_pge = !!(cr4 & X86_CR4_PGE);
+	vcpu->arch.mmu.base_role.cr4_pge = (cr4 & X86_CR4_PGE) && !tdp_enabled;
 	kvm_mmu_sync_global(vcpu);
 	kvm_mmu_reset_context(vcpu);
 }